A+ Core 1 Flashcards by Ramin Azizi

You are configuring the mail app on an iPhone to use an email address. What configuration information do you need to enter to establish connectivity?

When configuring a mobile email client to access a
commercial email provider, you typically just need your
username and password to establish connectivity. Examples
include Google, Yahoo, Outlook.com, and iCloud.

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Which type of smartphone display has fewer layers,
providing more flexibility, a better viewing angle, and excellent color as compared to other technologies?

Many newer smartphones are boasting OLED displays for
their light weight, flexibility, color depth, and wider viewing
angle. IPS is a popular type of LCD (Liquid Crystal Display)
that requires backlighting to display the image. TN was the
LCD technology was developed first. It uses less power and has a
limited viewing angle, but it supports very fast refresh rates.
LEDs can be used as the backlight for LCD systems. OLED
displays don’t need a backlight because they are carbon-based
material can emit light and color.

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In which scenario would you use the Fn key and the F10 key?

To turn the screen brightness up

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You are purchasing a mobile device that allows you to use multi-finger gestures to interact with the device. What type of touchscreen technology does this device most likely use?

Capacitive

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You are using a public Wi-Fi hotspot and believe that
someone is trying to hack into your laptop. Which laptop feature should you use to immediately turn off all wireless connections?

Airplane mode

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You have been asked to purchase a new camera for the
company photographer. Some of the cameras are marketed as “smart” cameras. What key feature does this likely mean the camera includes?

Wi-Fi

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Your friend’s iPhone 13 will no longer charge. They have tried replacing the charging block and cable with compatible ones and tested the wall outlet. What should be done next?

Take the phone to a repair shop

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Your customer brought you a laptop with an internal battery that will no longer charge. You have told them that replacing the battery will be no problem at all. Which of the following will you need to do first?

Disconnect the external power

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A coworker is having a problem with their laptop and has asked you to fix it. When an external keyboard is plugged in, the laptop works just fine, but without it strange characters appear on the screen when typing. Which of the following are likely causes? (Choose two.)

A. The driver is corrupted and needs to be updated/replaced.
B. The ribbon cable is partially disconnected and needs to be
reseated.

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You’re working as the IT support person at an accounting
firm. One of the accountants dropped their keyboard, and the number 5 key is no longer there. This is a critical problem for an accountant. What is the most cost-effective way to get them up and running again?

Replace the missing key

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Your boss has asked you to maximize the RAM in their laptop computer. You check the specifications and discover that the maximum system RAM is 32 GB of DDR4 RAM. The laptop currently has 16 GB onboard RAM and one empty slot. Which of the following RAM modules will you purchase?

One 16 GB SODIMM

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A friend is trying to install an update on their iPod, but they’re receiving a message about insufficient space. They want to know if you can upgrade their storage. What will you tell them?

Storage can’t be upgraded, but you may be able to offload
some apps you no longer use.

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You need to replace a failed SATA hard drive on a 10-year-old laptop. The user has asked that the new drive be as fast as possible, regardless of disk space or cost. What type of drive should you install?

SSD

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You need to replace a failed hard drive in a user’s laptop, and it’s a model you are unfamiliar with. You look at the bottom of the laptop and see no obvious entrance points. Which component will you most likely need to remove to access the hard drive bay?

Keyboard

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You are on the phone talking to a technician who is trying to upgrade a laptop. The technician is having trouble
identifying the Mini PCIe card. How wide should you tell the technician that the card is?

30 mm

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Which mobile connection type allows you to share your cellular Internet connection with a Wi-Fi enabled device?

Hotspot

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Your friend wants to be able to use their phone to pay for purchases at a popular coffee shop. They noticed that the phone needs to be about 4′′ from the coffee shop’s reader. What radio wave communication type do you need to configure for your friend?

NFC

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You’re working from a home office and need to be able to type on your keyboard while talking with clients, so you purchase a wireless headset. What wireless technology will
you need to enable on your laptop to ensure that the headset and laptop can communicate?

Bluetooth

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You are wearing your smart watch, which allows you to make payments like a credit card. What type of connection technology does this service use?

NFC

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You’re upgrading the Wi-Fi card in a manager’s laptop and
notice that the antenna cable is frayed, so you need to replace that too. What will you likely need to do to replace the antenna?

Open the display to replace the cable.

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Your boss has asked you to make sure that each of the
company’s laptops has a biometric scanner as an extra
measure of security. Which of the following are biometric devices that are commonly found and can be configured on laptops? (Choose two.)

B. Face ID
C. Fingerprint reader

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Your company is producing posters for an upcoming public
relations campaign. The project leader wants to embed information into an NFC Type 4 tag in the poster. How much information can this tag hold?

32 KB

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Your customer has an iPhone 8 and wants to read and write NFC tags with it. What advice will you give them? (Choose two.)

With iOS 13 or better on their device, they’ll be able to
read and write NFC tags using a third-party app.
iPhone 12 and iPhone 13 can read NFC tags simply by
holding the phone over the tag.

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You’ve been asked by the company president what can be done with NFC in addition to paying for coffee. What will you tell them? (Choose three.)

A. Securely share data with someone you’re having lunch
with.
C. Transfer files, photos, and videos.
D. Add information or URLs to business cards, making it
easier for customers to learn about your products or
services.

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You are investigating new laptops for your company. You want the laptop displays to have a wide viewing angle. Which technology standard is best suited for your needs?

In-Plane Switching (IPS),

Which type of LCD has the best contrast, meaning the darkest black and lightest white?

OLED

Of the laptop LCD technologies, which consumes the least amount of power?

Twisted Nematic (TN)

What type of display uses organic materials that themselves light up so that no backlight is needed, meaning true black and greater contrasts can be achieved?

OLED

You have recently purchased a laptop computer with a touchscreen. It allows you to draw images on the screen and save them on the computer. Which device is responsible for converting the input into the image that you see and save?

Digitizer

Which two components of a laptop or other mobile device are the most useful when making a videoconference call? (Choose two.)

Webcam Inverter

Of the laptop components listed, which one is least likely to be built into the display?

Speakers

Which mobile device component can take input from a stylus or your finger, depending on the sensor type, and convert it into an image on the laptop or other mobile device?

Digitizer

What is this device, which can be found inside an iPhone 10 along the bottom, connected with a small ribbon cable?

Wi-Fi antenna

In which scenario would you use the Fn key and the F4 key shown here?

To change the video output to an external display

Which type of mobile device is known for using electrophoretic ink?

E-reader

Which display component is capable of discharging energy and causing severe injuries to technicians?

Inverter

37. Which of the following is not a type of LCD?

OLED

What types of networking will smart cameras often have built into them? (Choose two.)

Bluetooth Wi-Fi

What component or characteristic on most mobile phones has its ability measured in megapixels?

Camera

What three components of a mobile display are often connected in such a way that if one fails, you must replace the other two with it? (Choose three.)

Glass cover LCD Digitizer

An artist in your company's marketing department just received the new drawing pad that they ordered. What might you need to do to configure it? (Choose three.)

Plug the device into an appropriate port, likely USB. Enable Windows Ink or other software settings. Calibrate the device.

A coworker just started working with their new laptop yesterday, and today they're complaining that the trackpad won't work. You suspect that they accidentally turned it off. What key or key combination based on the graphic will remedy the problem?

Fn and F9

One of your coworkers has purchased an external Bluetooth trackpad to use with their tablet. They've turned to you, the company IT person, to install and configure it for them. What actions will you need to take? (Choose two.)

Put the device in pairing mode and open Bluetooth settings on the tablet, then tap the trackpad. Go to Settings to configure speed and scrolling features.

What type of connection are you using if you use a USB cable to connect your laptop to your cell phone in order to use the cellular wireless connection from the laptop?

Tethering

You often work remotely, in your favorite coffee shop. What device can you use to physically protect your laptop from theft if you step away from the table for a minute?

Cable lock

The company president misplaced their charging cable for their iPhone 13. You tell them it's no problem, and hand them a new one. What type of connector does this iPhone use for charging?

Lightning

What type of mobile device connector is shown here?

Lightning

Your significant other just purchased a new car and wants you to configure their cell phone to work through the car using voice commands. You must initiate pairing on the phone and choose to search for pairing devices on the car. What protocol is being used by the car and the device?

Bluetooth

A laptop user wants to have a full-sized display and keyboard, as well as an external hard drive, and speakers available to them at their desk. Which accessory can they purchase to avoid plugging each of these devices separately into their laptop every time they return to the desk? (Choose two.)

Port replicator Docking station

A user needs ports for external devices in addition to what their laptop is capable of connecting. The user would like these devices to have connectivity with each other whether or not the laptop is there. Which of the following will provide that option?

Port replicator

Which laptop expansion port technology was developed by Apple and Intel and supports a wide variety of peripheral devices?

Thunderbolt

You're upgrading a user's laptop from 802.11n to 802.11ac. What port will you most likely use inside the laptop?

Mini PCIe

You've been handed a device to install. The cable looks like the one here. What type of connector does this device use?

miniUSB

What port looks identical to a Thunderbolt 3 connector but will not charge a connected device as quickly?

USB-C

You've been handed a device to install. The cable looks like the one here. What type of connector does this device use?

microUSB

You're the IT manager for a manufacturing company. One of the corporate executives is questioning why you're buying serial instead of parallel devices. You explain that serial transmits only one bit of information at a time, but it does so very fast compared to parallel. Which of the following will you tell them is not a serial connection?

Centronics

You're configuring a new laptop for a user. What devices can you plug into the port shown here? (Choose two.)

Speaker B. Headphones

A technician has a failed Lenovo laptop and suspects the motherboard is bad. They have several other laptops available from which they can harvest parts. Which of the following statements is most likely true regarding the replacement motherboard that is selected?

Only a motherboard from that same model of Lenovo laptop will work.

What type of connector is used on Android smartphones? (Choose two.)

USB-C USB Micro-B

You will be traveling to another country for work and will have a 10-hour airplane flight. You need to work on your laptop while on the flight, but your battery won't last that long. What should you buy to allow you to use the auxiliary power outlets on the airplane?

DC adapter

The AC adapter for your laptop is not working properly, and you are searching for a replacement. Which two factors should be most important when selecting a new AC adapter? (Choose two.)

Polarity Same wattage as the original

How do modern docking stations connect to laptops? (Choose two.)

USB-C Thunderbolt 3 or 4

You have enabled the GPS service in your tablet. What is the minimum number of GPS satellites your tablet needs to be in contact with to determine its location?

Three

What is the name of the OS used by the Apple Watch, which was designed specifically for the watch?

watchOS

A technician needs to replace a failed laptop hard drive. Which of the following form factors could it use?

2.5′′

What type of wearable technology device is specifically designed to track a user's movements and heart rate and may include features such as GPS?

Fitness monitor

You want to play video games on your tablet computer. Which accessory would you purchase if you wanted to play the game much like you would on a gaming console?

Gamepad

Your new laptop has 4 GB system RAM and an integrated video card. The default setting specifies 512 MB of video memory. How much RAM is available for the processor to use?

3.5 GB.

Oculus, Samsung, and HTC are manufacturers of what specific type of wearable technology devices?

VR/AR headsets

Tablet computers feature touchscreens that are approximately what size?

Between 7′′ and 12′′

What type of connectors are the two shown in the center here?

PCIe x 1

Which type of network connection is least likely to be found on a tablet computer?

RJ-45

What type of device would use a Lightning connector to charge and transfer data?

Apple iPhone

You are upgrading a laptop with a Mini PCIe card. What type of connector does Mini PCIe use?

52-pin

What is the likely type of Wi-Fi antenna connector you will find as an external connector on a laptop?

SMA-female-RP

A warehouse manager at a factory is required to supervise productivity while walking around and taking notes. They find their laptop awkward to type on while walking but do not want to use two devices. What would you recommend they do?

Get a laptop with a rotating or removable screen.

After enabling your device for communication using the IEEE 802.15.1 standard, what is the next step?

Enable pairing.

You've enabled Bluetooth on your new headset and your laptop and enabled pairing on both. They have discovered each other, so what is the typical next step?

Entering the Bluetooth PIN code

You're configuring private email on a coworker's cell phone. They want to make sure all of their mail will be only on their phone. Which mail protocol keeps all emails stored on a single device and can only be accessed from one device?

POP3

You're configuring company email on a coworker's phone. The company needs to keep a copy of every email on their server, even after it's accessed by the user. Which mail protocol keeps all emails stored on the server, allowing messages to be synchronized between multiple devices?

IMAP

What service is built into Apple-developed devices and permits users and subscribers to store documents, media, and contact information off their devices?

iCloud

What is the hosted messaging version of Microsoft's Exchange mail server that saves customer's email off-site?

Exchange Online

What configuration settings are commonly used when setting up email from an online provider on a device?

Username and password

What type of update is done to mobile devices over the air?

PRI and PRL

Which number that is a part of the GSM system is hard-coded into the phone and identifies your physical phone hardware to the cellular tower?

IMEI

Which unique mobile number identifies you as a user and is coded into the SIM card if you're on a GSM network, or otherwise linked to your account, allowing you to transition from one phone to another?

IMSI

A user is traveling to a country that employs content blocking technology on the cellular network. What would you suggest setting up to bypass the content blocking as well as keep the user's mobile browsing more private?

VPN

What best practice can save someone from losing the data such as calendar entries and contacts on their mobile device if the device is lost?

Synchronization

A user wants a list of favorite websites to be readily available between multiple devices, including their mobile device. What is the best option?

Synchronize bookmarks

When two parents wish to share appointment dates and times between devices, what is their best option?

Synchronizing calendars

What Windows app is used to synchronize data between a user's mobile devices like smartphones and their desktop computers?

ActiveSync

What technology lets you minimize how often a user must log in for multiple services?

SSO

You're installing Bluetooth speakers in a conference room and just entered the pin to connect the two devices. What is your next step?

Test connectivity

The owner of a company that solely provides transportation from the airport to various hotels wants to employ a software that will tell them where every vehicle is at all times. All of the vehicles use satellite-based navigation systems. What technology is most likely being used to track where they are?

Global Positioning System (GPS)

You're going hiking this weekend in unfamiliar territory and have installed an application on your phone that shows you where you are on the map in relation to the trails and surrounding areas. What two types of location technology might this app use? (Choose two.)

GPS RFID

Your coworker wants to be able to use maps with their phone but is unhappy that other applications are also tracking their physical location. They ask for your help. Which of the following is not true?

If location services are turned off for one purpose, they are turned off for all services.

You're at home binging on a popular Internet movie service and suddenly notice that the spinning wheel is showing up often, taking more time to download the movie than normal. What is likely the problem?

You have reached your data cap

The executives at your company are concerned about employees using their personal devices for work. They worry that someone may leave and take proprietary information with them. You calm their fears by telling them that there are settings in place that protect company data that is accessed by employees. What are those settings called? (Choose two.)

MDM MAM

Which of the following is not a type of two-factor authentication?

Needing a username and password

Which cellular communication technology is known as Long- Term Evolution (LTE)?

Which of the following display types refers not to how the liquid crystals are arranged, but rather to the type of backlight being used?

LED

You are responsible for replacement parts within your company's IT department. Because of the critical nature of your business, you need to have replacement parts on hand in the event of a hardware failure. Your company uses four different types of laptops, two HP and two Dell. How many different types of motherboards do you most likely need to stock?

Four

Tech support has recommended that you update the OS on your iPad to resolve a problem you're having with it. What OS will you be updating?

iPadOS

Your client is frustrated that their Bluetooth earpiece that was working yesterday is no longer working, and they've asked for your help. What is the likely source of the problem?

Bluetooth connectivity was lost.

The Wi-Fi connection between your laptop and network has failed. Upon examining Device Manager you notice that the network card is not listed. You've reseated the card and it still isn't found in Device Manager, so you've decided to replace it. Which of the following card types will you likely need to purchase?

M.2 Wi-Fi card

A technician needs to replace a hard drive that failed in their new laptop. What type of drive will they likely need? (Choose two.)

M.2 mSATA

You are installing a fiber-optic cable between two buildings. To install the cable, you must run it through a conduit between the buildings, and access to the conduit is not easy. Before you run the cable, you want to ensure that it's working properly. Which tool should you use?

Cable tester

Which TCP/IP protocol, designed to download email, allows for multiple clients to be simultaneously connected to the same mailbox?

IMAP

You are using your laptop on the company network. In your web browser, you type and press Enter. www.google.com The computer will not find Google. You open the browser on your phone, and using your cellular connection, you can open Google without a problem. Your laptop finds internal servers and can print without any issues. What is the most likely reason you can't open Google?

DNS server problem

Which one of the following TCP/IP protocols was designed as a replacement for Telnet?

SSH

Which of the following network connectivity devices operates at Layer 2 of the OSI model?

Switch

Which of the following TCP/IP protocols is connection-oriented and attempts to guarantee packet delivery?

TCP

Which TCP/IP protocol allows a user to log into a remote computer and manage files as if they were logged in locally?

RDP

Which Wi-Fi standard is the fastest, operating in both the 2.4 and 5 GHz frequencies?

802.11ax

Bob has a device that operates at 5 GHz. He is unable to connect his device to a LAN that he hasn't accessed before, although he has verified that he has the correct password. What type of network might pose this problem?

802.11g

Which TCP/IP protocol is used to provide shared access to files and printers on the network?

SMB

What port does the Telnet protocol use?

You have just installed a wireless 802.11ac network for a client. The IT manager is concerned about competitors intercepting the wireless signal from outside the building. Which tool is designed to test how far your wireless signal travels?

Wi-Fi analyzer

Some of your network users are concerned about submitting confidential information to an online website. What should you tell them?

If the website address starts with HTTPS:// , it should be OK to submit confidential information to a trusted site.

Which TCP/IP Internet layer protocol is responsible for delivering error messages if communication between two computers fails?

ICMP

Which type of IPv6 address identifies a single node on the network?

Unicast

What type of network covers large geographical areas and often supports thousands of users, often using lines owned by other entities?

WAN

Which TCP/IP protocol, developed by Microsoft, uses port 3389 to connect to a remote computer?

RDP

What port does the SSH protocol use?

Which of the following IP addresses is not routable on the Internet?

10.1.1.1

Which network connectivity device does not forward broadcast messages, thereby creating multiple broadcast domains?

Router

What type of address does a router use to get data to its destination?

You have a desktop computer that is behaving erratically on the network. The wired connection will often disconnect without warning. Which tool should you use to troubleshoot the network adapter?

Loopback plug

Your company just expanded and is leasing additional space in an adjacent office building. You need to extend the network to the new building. Fortunately, there is a conduit between the two. You estimate that the cable you need to run will be about 300 meters long. What type of cable should you use?

multimode fiber (MMF)

You want to ensure that client computers can download email from external email servers regardless of the protocol their email client uses. Which ports do you open on the firewall to enable this? (Choose two.)

110 143

You are installing network cabling in a highly secure facility. The cables need to be immune to electronic eavesdropping. What type of cable should you use?

Fiber-optic

Which networking device is capable of reading IP addresses and forwarding packets based on the destination IP address?

Router

Which network device is designed to be a security guard, blocking malicious data from entering your network?

Firewall

You are manually configuring TCP/IP hosts on the network. What configuration parameter specifies the internal address of the router that enables Internet access?

Default gateway

Which of the following devices will be found in a telecommunications room and provide a means to congregate horizontal wiring, terminating each run in a female port?

Patch panel

What type of network is most commonly associated with Bluetooth devices such as wireless keyboards, mice, and headphones, and covers a small area?

Personal Area Network (PAN)

When troubleshooting a network connectivity issue, you discover that the local computer has an IPv4 address of 169.254.2.2. What do you immediately know about this local computer?

It can't find a DHCP server.

Which of the following IPv6 addresses is automatically assigned by the host when it boots and is only usable on the broadcast domain that it exists in?

FE80::/10

You need to configure a wireless router for an office network. The office manager wants new devices to be able to automatically join the network and announce their presence to other networked devices. Which service should you enable to allow this?

Universal Plug and Play (UPnP)

You are troubleshooting a computer with an IPv6 address that is in the FE80::/10 range. Which of the following statements are true? (Choose two.)

The computer will not be able to get on the Internet using that IP address. The computer is configured with a link-local unicast address.

You have set up your web server to function as an FTP server as well. Users on the Internet complain that they are not able to access the server using FTP clients. What port should they be trying to access the server on?

Which TCP/IP protocol allows you to access data such as employee phone numbers and email addresses that are stored within an information directory?

Lightweight Directory Access Protocol (LDAP)

What port is associated with the LDAP protocol?

LDAP uses port 389

You are configuring network hosts with static IP addresses. You have chosen to use a Class B network address. What is the default subnet mask that you should configure on the hosts?

255.255.0.0

You are installing a new network and working in a telecommunications room. You need to attach several network cables to a 110 block. Which tool should you use to perform this task?

Punchdown tool

Which of the following Internet connection types offers the fastest download speeds?

Fiber-optic

Which of the following are public IPv4 addresses? (Choose two.)

69.252.80.71 144.160.155.40

Which TCP/IP protocol uses port 445?

Server Message Block (SMB)

What rendition of SMB was used by Windows servers and NAS servers but is no longer often used?

Common Internet File System (CIFS)

For IPv6, which of the following statements is true? (Choose two.)

Each IPv6 interface is required to have a link-local address. IPv6 does not use broadcasts

Which network connectivity device is seldom used in modern networks, except to extend a network?

Hub

There is a TCP/IP protocol that should only be used locally because it has virtually no security. It may be used as a part of a preboot execution environment (PXE) or with thin clients booting from a network drive. It uses very little memory and is good for transferring boot files or configuration data between computers on a LAN, and it is connectionless. Which file transfer protocol is this?

Trivial File Transfer Protocol (TFTP)

Which of the following IPv6 addresses is equivalent to 127.0.0.1 in IPv4?

::1

You are asked to perform consulting work for a medium-sized company that is having network connectivity issues. When you examine the patch panel, you notice that none of the dozens of UTP cables are labeled. Which tool can you use to identify which cable goes to which workstation?

Tone generator and probe

Which TCP/IP protocol is responsible for dynamically assigning IP addresses to client computers?

Dynamic Host Configuration Protocol (DHCP)

Which networking device has multiple ports, each of which is its own collision domain, and examines the header of the incoming packet to determine which port the packet gets sent to?

Switch

Which TCP/IP port will an email client use to push email to its email server?

Simple Mail Transfer Protocol (SMTP). SMTP uses port 25

A technician is going to set up a Wi-Fi network using standard omnidirectional antennae. Because of the building configuration, transmitting signals for the greatest distance is the technician's primary criterion. Which standard should they choose?

802.11n

You are troubleshooting an intermittently failing Cat 6 network connection. You suspect that there is a short in the connection. Which tool can you use to determine this?

Cable tester

What marks the boundary of a IPv4 broadcast domain?

Hub

Which TCP/IP protocol gathers and manages network performance information using devices called agents?

Simple Network Management Protocol (SNMP)

Which Internet connection type, once popular for home use, offers asymmetrical download and upload speeds and is implemented over common phone lines?

Digital Subscriber Line (DSL)

You are installing an 802.11n Wi-Fi network with five wireless access points. The access points are set up so their ranges overlap each other. To avoid communication issues, what principle should you follow when configuring them?

Configure all access points to use nonoverlapping channels.

You need to configure email settings for use with IMAP. Which port will you be configuring?

port 143

Which of the following technologies will enable you to install networking devices that need power to function, in a location that has no power outlets?

Power over Ethernet (PoE)

You have been asked to install a Wi-Fi network in a building that is approximately 100 meters long and 25 meters wide. Because of cost considerations, you will be using 802.11ac. At a minimum, how many wireless access points will you need?

Three

What two tools will you need to connect an RJ45 connector to an appropriate cable? (Choose two.)

Crimper Cable stripper

You are installing network cabling in a drop ceiling of an office space. The ceiling area is used to circulate breathable air. What type of cable must you install?

Plenum

You need to install a wireless access point in a drop ceiling where there is no access to a power source. Which technology will allow you to get power to that device?

Power over Ethernet (PoE)

Which of the following IP addresses is not a private address and therefore is routable on the Internet?

172.168.38.155

You are configuring a wireless 802.11ax router. The office manager insists that you configure the router such that traffic from her computer receives higher priority on the network than other users' traffic. Which setting do you need to configure to enable this?

Quality of Service (QoS),

If you are connecting to a website that encrypts its connection using TLS, what port does that traffic travel on?

HTTPS uses port 443

Your network is currently running a mix of 802.11b and 802.11g devices. At the end of the year, you have extra budget to upgrade some, but not all, of the wireless infrastructure. You want to upgrade to the newest technology possible but still maintain backward compatibility. Which standard should you choose?

802.11ax

What type of network spans multiple buildings or offices, possibly even crossing roads, but is confined to a relatively small geographical area?

metropolitan area networks (MANs)

Which of the following shorthand notations corresponds to the CIDR subnet mask 255.255.224.0?

/19

You are configuring hosts on a network running IPv4. Which elements are required for the computer to connect to the network?

IP address and subnet mask

You work at a tech support company and a customer called reporting that they received an error, something about a duplicate IP address. Why are they getting this message? (Choose two.)

All hosts on a network must have a unique IP address. A PC is manually configured with an IP that is in the DHCP scope.

You're setting up a network for a customer. The network uses a DHCP server, but the customer needs an IP address for their print server that does not change. What are two possible solutions? (Choose two.)

Manually configure the print server to have a static IP address. Configure a reserved IP address on the DHCP server for the print server.

Which obsolete Wi-Fi encryption standard uses a static key, which is commonly 10, 26, or 58 characters long?

Wired Equivalent Privacy (WEP)

You've been asked to set up a device that will be monitored using an SNMP agent and manager. What port will the SNMP manager use when polling the agent?

UDP 161

Because of a recent security breach, your IT team shut down several ports on the external firewall. Now, users can't get to websites by using their URLs, but they can get there by using IP addresses. What port(s) does the IT team need to open back up to enable Internet access via URLs?

DNS uses port 53

All your network hosts are configured to use DHCP. Which IP address would indicate that a host has been unable to locate a DHCP server?

APIPA addresses are in the 169.254.0.0/16

You have reason to believe that several network users are actively browsing prohibited content on unsecured sites on the Internet. Which port can you disable on the firewall to immediately stop access to these websites?

on port 80, which is the port that Hypertext Transfer Protocol (HTTP)

Which TCP/IP protocol is designed to help resolve hostnames to IP addresses?

Domain Name System (DNS)

You need to install an Internet connection for a forest ranger outlook tower, located far away from electrical lines. Which option would be best for broadband Internet access?

Satellite

Your customer will be moving their small office to a remote mountain village where there is no cable Internet access. They have heard that there is a wireless option available in the area that is faster than satellite but that requires an antenna and line-of-sight to a tower. What option have they heard about?

Wireless Internet Service Providers (WISPs)

Which TCP/IP host-to-host protocol makes its best effort to deliver data but does not guarantee it?

User Datagram Protocol (UDP).

What type of network is typically defined as being contained within a single office or building?

local area network (LAN)

You are installing a wireless network for a small company. The management wants to have 1 Gbps or better wireless transmission rates. Which of the following standards will allow you to provide this? (Choose two.)

802.11ac

Which of these standards operate in both the 2.4 GHz and 5 GHz frequencies? (Choose two.)

802.11ax 802.11n

What legacy network protocol allows NetBIOS-dependent computer applications to communicate over TCP/IP?

NetBIOS over TCP/IP (NetBT)

Which of the following features does not require a managed network switch?

Direct packets out the proper port

The senior network administrator struggles to configure company network devices spanning several cities. It's a challenge because they are required to be on the premises for the network infrastructure of each building. What would be a cost-effective solution?

Employ a cloud-based network controller.

What port(s) does DHCP use?

DHCP uses ports 67/68

What is the maximum distance allowed between a power over the Ethernet injector and the Ethernet device running on a 1000BaseT network?

100 meters

Which of the following protocols uses ports 137 and 139?

NetBT is NetBIOS over TCP/IP

When setting up a small office, home office (SOHO) network, how do the end-user devices know what IP address they need to use to connect with the network?

The NIC is set with a static address or DHCP-served.

You've been asked to set up a wireless network for an SOHO that will only allow five specific devices to connect. How do you accomplish this?

Configure MAC address filtering

What is the most likely way for a homeowner's IoT devices to connect to their wireless network?

Dynamic Host Configuration Protocol (DHCP)

What type of communication technology is being used at a fast-food restaurant when a customer places their phone next to a device to pay for their purchase?

Near-field communication (NFC)

What communication technology allows for low-power, passive reading of a small tag or patch on an object that may be a few feet to dozens of feet away?

Radio-frequency identification (RFID)

What type of server provides Internet access to company-provided information such as how to contact a company, products or services for sale, and other information?

Web server

A friend is showing you how they can control their thermostat at home from their cell phone while at work. What type of device do they have at home?

Internet of Things (IoT)

What server would function as a central repository of documents and provide network-shared file storage for internal users?

File server

You work as a network administrator for a school district. The district is required to provide access to the Internet for students but also required to protect the network and the students from malicious network traffic and inappropriate websites. What type of server do you need to configure?

Proxy server

What type of server can host files for easy access and downloading, similar to how a web server serves web pages?

File Transfer Protocol (FTP)

You're a network administrator and just added a device to your network that allows multiple users to access several printers. What have you attached to the network?

Print server

What server is used to resolve domain names to IP addresses to facilitate web browsing or locating a directory resource on the network?

Domain Name System (DNS) server

What server is accessed each time it's necessary to challenge and validate a user's credentials in order for the user to access a network resource?

Authentication server

What service can collect and journal all the system-generated messages produced by servers and network devices?

Syslog server

You're configuring your phone to download and upload email. What type of server are you configuring your phone to use?

Mail server

Which of the following are connection-oriented protocols? (Choose two.)

HTTPS SSH

A company wanting to monitor network traffic or host system behavior to identify suspect activity will install what type of service?

Intrusion detection system (IDS)

What is the primary difference between an IDS and an IPS?

IPS will actively react to suspect activity

Managing security on your growing network has become difficult, so you ask your peers what they are doing to manage their networks. They recommend a device that will allow you to manage your security in one place. What have they recommended?

Unified Threat Management (UTM)

A switch is overheating, and the SNMP agent is sending an SNMP trap to an SNMP manager. Which of the following are true? (Choose two.)

It is a managed switch. It is communicating on port 162

Your cousin is a nature photographer, traveling the country and living in their Class A motorhome. Much of the time their motorhome is parked in a national park, but seldom is Wi-Fi available. Your cousin uploads photos from their camera to a laptop, modifies them, and needs to upload them to their publisher, various magazines, and their website on a regular basis. What is a viable networking option for your cousin?

Cellular

You are a network administrator. Currently, there is no wireless access to the business network, but the company is purchasing tablets so that employees can take their work with them as they move around the facility. What device will you install so that employees will be able to connect to the wired network with wireless devices?

add a wireless access point (WAP),

Last weekend you installed and booted several more computers to be ready for Monday morning. Later Monday morning you hear from employees as they come in that they cannot log in. Their desktops don't seem to want to connect. You investigate and find that each faulty workstation has a 169.254.x.x IP address. What might you look at next?

DHCP scope

What network segmentation technique reduces broadcast domains and provides a layer of security between users on the same network?

Virtual LANs, or VLANs

One of your network users must work remotely from their office on an extremely confidential project. Their team is concerned about security so they call you, the IT department head, to see what can be done. What will you set up between this network user and the company server so that the communications are secure?

virtual private network (VPN) uses encryption

Which of the following components is not typically found in a wireless LAN (WLAN)?

Wireless LAN (WLAN)

You need to configure dynamic IP addressing on your network to cut down on management time. How will you do this? (Choose two.)

Enable DHCP settings on the router. Configure each NIC to obtain an IP address automatically.

Your network admin needs to add a computer to an IPv6 subnet. Which of the following IPv6 addresses is on the same subnet as?

2601::0f:ab:cd:123:4a

Dylan is troubleshooting his IPv4 network. The network's subnet mask is 255.255.192.0. Which of the following IP addresses is not on the same network as the others?

130.200.130.1

Which of the following is a PoE standard?

802.3bt (PoE++).

Your friend has purchased a PoE device for their home. It is a type 2 device. Which of the following PoE switches will be compatible with this device? (Choose two,)

802.3at-compliant switch 802.3bt-compliant switch

Which of the following is true of an ONT? (Choose two.)

It converts fiber-optic light signals to electrical (Ethernet) signals. It requires external power to work properly.

Which of the following is not a benefit of software-defined networking (SDN)?

Requires a cloud-based network

Which type of WISP radio frequency has the advantages of no fees, less expensive equipment, and a wide pool of practical knowledge so help is easier to find?

Limited

You are working with your customer, a doctor's office, to develop a network that will allow the doctor's staff to work with their tablet PCs in any room of the office without having to worry about network cabling. What type of network will you establish for the doctor's office?

wireless LAN (WLAN)

Which of the following is a network of storage devices that a server can access as if it were a locally connected drive?

storage area network (SAN)

Which of the following is true of a network TAP? (Choose two.)

TAP stands for terminal access point. It allows network admins to monitor network traffic.

What software runs on a machine where data files to be accessed are housed and controls access to those files as requested by a client?

Fileshare server

A friend is having some issues with the wireless network in their apartment dropping the connection or running very slowly. What tool can be used to determine the best channel to use?

Wi-Fi analyzer

In the United States, the Federal Communications Commission (FCC) imposes rules that govern radio communications. What is the maximum EIRP (watts) that can be transmitted in the 2.4 GHz band for a point-to-multipoint WISP connection?

4 watts

Using which Wi-Fi channels does not require that your router has Dynamic Frequency Selection (DFS) and Transmit Power Control (TPC) built into the router?

Channels 36 to 48

Which broadband network communications technology became more competitive with other types of service when, in 2021, the FCC ruled to include it in the Over-The-Air- Reception Devices Rule (OTARD), which protects the rights of those organizations to place antennas where they are needed?

Long-range fixed wireless

What are the three A's employed by authentication servers?

Authentication, authorization, accounting

Which Internet appliance is used to distribute incoming traffic over resources, such as multiple web servers?

Load balancers

What type of system, consisting of both hardware and software, is used to control and monitor industrial machines and processes?

Supervisory Control and Data Acquisition (SCADA)

Your friend owns a restaurant and provides free Wi-Fi to their clientele. Lately, they have been receiving complaints that the Wi-Fi isn't working. It seems to work for customers already connected but not for people trying to connect. What 200 can be configured on the router to release an IP address and make it available for other users after a couple of hours?

DHCP lease duration

What type of address is known as a DNS AAAA address?

IPv6

What type of entry in a DNS record can be used for load balancing of incoming mail?

Multiple Mail Exchanger (MX)

What type of DNS record contains a list of users (IP addresses) that are authorized to send email on behalf of a domain?

Sender Policy Framework (SPF)

What two terms are used to identify an Internet provider that may connect to the Internet using T1 or T3 lines, or fiber optic, for example, and uses point-to-point millimeter-wave or microwave links between its towers for its backbone or to extend its service area, and point-to-multipoint wireless to provide Internet access to its customers?

wireless Internet service providers (WISPs)

Your friend is again considering the network configuration in their apartment. They've asked you the difference between channels on the 2.4 GHz and 5 GHz networks that are available on their Internet connection. What will you tell them? (Choose two.)

If they are using the 2.4 GHz network, they should choose channel 1, 6, or 11 because they don't overlap each other. The 5 GHz network channels provide greater bandwidth, so data could be transferred faster, but they may have more interference with their neighbors.

Which IEEE Wi-Fi standard is also known as Wi-Fi 6?

802.11ax

Of the following fiber connectors, which are used for duplex (two strands instead of one)? (Choose two.)

SC LC

What twisted pair connectors are commonly used with telephone wire?

RJ-11

Using the T568B wiring standard on both ends of a cable would produce what type of network cable?

T568B on both ends is a straight-through network cable.

You're looking at a connector that has eight wires with colors in the order of green stripe, green, orange stripe, blue, blue stripe, orange, brown stripe, brown. What type of cable do you have?

Twisted pair, T568A standard

You need to install a memory upgrade in a laptop computer. The computer's documentation says that the laptop uses DDR4 SODIMMs. How many pins will be on the SODIMM?

DDR4 SODIMMs have 260 pins

The most common RAM slots used in desktop and laptop computers, respectively, are what?

DIMM and SODIMM

Which laptop expansion port was designed as an industry standard to replace VGA and DVI ports and is backward compatible with both standards?

DisplayPort

You have a MacBook Pro computer with a Thunderbolt 4 port. What is the maximum throughput of a device plugged into this port?

40 Gbps

Which motherboard form factor measures 4.7′′ × 4.7′′?

Nano-ITX motherboards are 4.7″ square

Which of the following statements are true regarding CPUs and operating systems? (Choose two.)

A 64-bit OS can run only on a 64-bit CPU. A 32-bit OS can run on a 32-bit CPU or a 64-bit CPU

The DC power supply (DCPS) within a laser printer converts AC power into what three voltages? (Choose three.)

+5 VDC –5 VDC +24 VDC

A technician is considering whether to buy a new LCD. Which type of LCD has faster response times than the others?

TN Liquid Crystal Displays (LCDs) have the fastest response times

Which type of storage device is composed of a conventional magnetic hard drive and a substantial amount of solid-state storage?

Hybrid

You need to share printers on your network with multiple client operating systems, such as Windows, macOS, and Linux. Which of the following services will best meet your needs?

TCP printing

Which one of the following connector types are you most likely to find on the end of a Cat 6a cable?

RJ-45

What type of printer technology will often use a roll of paper as opposed to individual sheets?

Thermal

Which of the following types of printers does not require the replacement of some sort of ink or toner?

Thermal

You are working on repairing a defective laser printer. Which of the following is a true statement regarding the imaging drum in a laser printer?

It can hold a high negative charge only when it's not exposed to light.

What are the dimensions of a mini-ITX motherboard?

Mini-ITX motherboards are 6.7” square

When discussing video displays, what is the term used to describe the number of pixels used to draw the screen?

Resolution

You have three hard disks, each 1 TB in size. After installing them as a RAID-5 array in a computer, how much usable storage space will you have?

2 TB

What hardware device is used to store encryption keys, making them safer because they are never directly loaded into a server's memory?

Hardware Security Module (HSM)

You need to enable clients to scan documents and place them on network-accessible storage regardless of the multifunction device's location worldwide. Which service will best suit your needs?

Cloud services

What is the most important consideration when installing a network-connected multifunction device that is capable of directly scanning and emailing?

Security

What protocol is often used when scanning documents from a large multifunction device and sending them to the corporate server?

Server Message Block (SMB)

What features are included in modern networked MFDs? (Choose all that apply.)

Email Scanning Printing Faxing

Which of the following connectors transmit analog signals? (Choose two.)

VGA RJ-11

You have a motherboard that supports up-plugging. Which of the following statements regarding PCIe are true? (Choose two.)

You can put an x1 card into an x8 slot. You can put an x8 card into an x16 slot.

A technician needs to increase the fault tolerance of their computer's storage system, and they have two hard drives available. Which of the following options is their best choice?

Install both drives and implement RAID-1.

During which step of the laser printer imaging process does a fluorescent lamp discharge the photosensitive drum?

Cleaning

What type of front-panel or top-panel connector uses a standard 3.5 mm jack to make connections?

Audio

The motherboard in your desktop computer supports dual-channel memory. Which of the following statements regarding RAM in this motherboard are true? (Choose two.)

The RAM will work if only one module is installed but not in dual-channel mode. The RAM will work in dual-channel mode if two identical modules are installed.

A customer wants you to upgrade their motherboard so that they can have the fastest video connection possible. They want to know how fast PCIe 4 is. What will you tell them the data rate of a single lane of PCIe 4 is?

2 GBps

A technician needs to replace a failed power supply in a desktop computer. When choosing a replacement power supply, which two specifications are most important to consider? (Choose two.)

Wattage Number and type of connectors

You need to replace the magnetic hard drive in your manager's laptop. They want a high-speed, high-capacity drive. What are the most common issues associated with their request? (Choose two.)

Increased battery usage Increased heat production

You have a motherboard with a white expansion slot, that has a divider on the opposite end of a PCIe connector like the two shown in the image. What type of expansion slot is this?

PCI

A designer from the corporate office is visiting your field office. The user tries to print from their MacBook Pro to a networked printer, but it does not work. Local users in the office are able to print to the device using their Windows computers. What would most likely solve the problem?

Install a macOS printer driver on the print server.

A user that you support needs to replace this cable. What type of peripheral connector, shown here, will you be looking for?

USB Type B

Which of the following are advantages of using a CPU liquid cooling system over an air-based system? (Choose two.)

More efficient Quieter

You need to perform preventive maintenance on an impact printer. What are two areas you should examine that you would not need to on most inkjet printers? (Choose two.)

Printhead Tractor feed mechanism

Which expansion bus technology uses lanes, which are switched point-to-point signal paths between two components?

PCIe uses lanes

A large display with a wide viewing angle is needed for a small conference room. Which type of LCD would be best?

IPS have the better viewing angle

You have a user who needs recommendations for installing a home server PC. They want their family to be able to share files and videos on their home network. They also want their data to be protected in the event of a hard drive failure. Which components do you recommend the system include?

RAID array Gigabit NIC

Your motherboard has 3 PCIe x16 v 4.0 slots and the motherboard does not support up-plugging for PCIe adapter cards. Which of the following statements is true?

You can put an x8 card into an x16 slot, but it will run at x1 speed.

Which system component enables the use of Secure Boot technology?

UEFI

Motherboard documentation for a desktop computer mentions 240-pin DIMM slots. What type of DIMM is used on this motherboard?

DDR3 DIMMs have 240 pins

DDR4 and DDR5 DIMMs have the same number of pins. How, then, can you tell the difference between the two?

Placement of the module key (notch).

Which CPU technology allows for the assignment of two logical cores for every physical core present?

Multithreading

You are adding paper to a printer that uses tractor-feed paper, which requires lining the holes up with pins on the paper-forwarding mechanism. What type of printer are you maintaining?

Impact

Which motherboard form factor is common in desktop computers and measures 12′′ × 9.6′′?

ATX

An inkjet printer doesn't seem to be moving the printhead to the right area. What two components within an inkjet printer are responsible for moving the printhead into proper position and therefore could be the problem?

Carriage motor and belt

You need to configure Hyper-V on one of your Windows-based desktop computers with an Intel processor. Which of the following must be true? (Choose three.)

The CPU must have SLAT. The processor must be 64-bit You need to enable virtualization in the BIOS/UEFI.

An analog LCD is most likely to have what type of connector?

VGA

You have a peripheral that needs a data speed of 20 Gbps and 9 W of power to be supplied by the connection to the PC. Which PC peripheral connection type is it most likely to use?

Thunderbolt

In the laser printer imaging process, which step immediately follows the exposing step?

Developing

What are the two power requirements that a PCI expansion bus may have in a desktop computer? (Choose two.)

3.3 V 5 V

Which of the following is a standard for a secure cryptoprocessor that can secure hardware (and the system boot process) using cryptographic keys?

Trusted Platform Module (TPM)

In a laser printer, what is the function of the transfer corona assembly?

It transfers a positive charge to the paper.

A technician has installed a printer driver on a Windows client computer. What is the best next step the technician can take to ensure that the printer is installed properly?

Print a test page

Which component within a laser printer converts AC current into usable energy for the charging corona and transfer corona?

High-voltage power supply (HVPS)

ou have been asked to install and configure a RAID-10 storage array for a computer. What is the minimum number of hard disks required for this configuration?

Four

A graphic designer in your office needs two displays to do their work. Which of the following should you install to set up their desktop computer for this configuration?

A second video card

You have a motherboard designed to hold DDR3 1600 memory. What will happen if you attempt to install DDR4 2400 memory into the motherboard?

It won't fit

What happens during the transferring step of the laser printer imaging process?

The toner is transferred to the paper

One of your users needs to print several copies of a 20-page document. They want to ensure that the document's pages are printed on both sides of the paper to conserve paper. Which option do they need to set properly in their printer configuration settings?

Duplexing

A technician needs to install an optical disk system with capacity to burn disks storing about 60 GB of data at one time. What is the minimum technology required to get over this threshold?

Triple Blu-ray Disc Extra Large (BDXL)

You have been asked to purchase new RAM for three workstations. The workstations call for DDR4 3600 chips. What throughput will these modules support?

28,800 Mbps

A technician needs to purchase new RAM for a motherboard. The motherboard specifications call for 5,200 MHz DDR5 RAM. Which RAM modules should the technician use?

PC5 41600

On your network, users want to print easily from their iPads and iPhones. Which service supports this?

AirPrint

You have a new computer that needs to communicate with other computers on a wireless network. What type of expansion card do you need to install?

network interface card (NIC).

When printing, which component is responsible for converting the data being printed into the format that the printer can understand?

Printer driver

You're installing a new printer and notice that the manufacturer has provided two drivers with the printer. One is a PostScript driver and the other is a Printer Control Language (PCL) driver. The user will mainly be printing graphics. Which driver should you install?

Install the PostScript driver

What type of printer driver is best to use if you'll be printing mostly documents and want to have the PC released to do other jobs more quickly?

Install the PCL driver

You notice that a fan on a power supply has stopped turning and you will need to replace it. Which of the following statements best describes the function of a typical power supply fan?

It cools the computer by pulling hot air from inside the case, through the power supply, and blowing it out the back of the power supply, which in turn draws cooler air in through vents in the case.

A technician needs to install a new hard drive for their client. Access speed is far more important to this client than disk space. What type of hard drive is best suited for this client?

Solid-state drive (SSD)

What is the maximum data rate for a USB 3.0 connection?

5 Gbps

A technician has been asked to install and configure a RAID- 10 array in a working computer that contains one hard drive. How many additional hard drives, at a minimum, do they need to bring to the job?

Three

You've been tasked with making a system faster, so you implement a RAID solution that does only that. What level of RAID will you implement?

RAID-0

Which CPU architecture term describes a CPU with multiple physical processor dies in the same package?

Multicore

Which of the following optical disk standards provides the highest capacity?

DVD-R DS, SL

Your company recently shipped five desktop computers from Germany to the United States. After switching the power cord to an American-style plug, you try to power one on and it doesn't work. You try the others and none of them power on either. What is the most likely cause?

The power supply voltage switch needs to be moved.

What are the dimensions of a mobile-ITX motherboard?

Mobile-ITX motherboards are 2.4″ square

Which of the following printer types is an impact printer?

Dot-matrix

Which two CPU sockets are capable of supporting Intel Core i9 processors? (Choose two.)

LGA1700 LGA2066

You are discussing data storage needs with a client who is a videographer and media producer. They need to store dozens of large files and need immediate access to them for editing. What is the most appropriate storage technology for them to use?

Solid-state drive (SSD)

You are searching for a new display on the Internet and find a used digital LCD for sale. What are the two most likely types of connectors you will find on this display? (Choose two.)

DVI-D HDMI

Which of the following are typical formats supported by virtual printing? (Choose three.)

Print to PDF Print to XPS Print to image

A PCIe x1 v 3.0 lane provides how much data throughput?

1 GBps

The toner is falling off every paper that comes out of a user's laser printer. Which component, responsible for heating up and melting the toner into the paper, do you need to replace?

Fuser assembly

During which step in the laser printer imaging process does a wire or roller apply a strong, uniform negative charge to the surface of the imaging drum?

Charging

You are installing two new RAM modules into a dual-channel motherboard. Which of the following is true?

Both RAM modules need to have the same parameters.

Which of the following printer components is not found in a laser printer?

Carriage motor

What type of common printer can potentially release harmful ozone into the atmosphere and therefore may contain an ozone filter?

Laser

There are four servers in your server closet. You need to access each of them, but not at the same time. Which device will allow you to share one set of input and output devices for all four servers?

KVM switch

A user on your network has a laser printer that is several years old with no Ethernet connection. It's connected to their computer and shared on the network for others to use. Now, the user no longer wants the printer, but others still need to use it on the network. What would be the best upgrade to install in this printer to allow others to send print jobs to it directly over the network?

A print server

A technician needs to perform maintenance on an inkjet's dirty paper pickup rollers. What should they use to clean them?

Mild soap and water

During which step in the laser printer imaging process is toner attracted to the imaging drum?

Developing

You are installing and configuring a magnetic hard drive and have several models to choose from. Which hard drive is most likely to have the highest data throughput rates?

750 GB, 10,000 rpm

Your manager tells you to buy a high-capacity magnetic hard drive with the highest data transfer rate possible. Which hard drive parameter do manufacturers modify to increase hard drive data transfer rates?

Spin rate (rpm)

Three of these four motherboard form factors can be mounted in the same style of case. Which ones are they? (Choose three.)

ATX MicroATX Mini-ITX

Which RAM feature can detect and possibly fix errors within memory?

ECC

You have a client who needs a hot-swappable, nonvolatile, long-term storage technology that lets them conveniently carry data from one location to another in their pocket. Which technologies can you recommend? (Choose two.)

USB flash drive SD cards

You have been asked to assemble 20 new desktop PCs for a client. When you look at the first motherboard, you see four memory slots. The one closest to the CPU is colored blue. Then in order they are white, blue, and white. Which of the following statements are true? (Choose two.)

This is a dual-channel motherboard. For optimal performance, you should install RAM modules into the two blue slots.

You have a computer running Windows 10. Every time you boot, the computer insists on trying to boot from the USB drive. Where can you change the setting to have the system boot to the hard drive first?

BIOS/UEFI

Which of the following types of connectors are generally found on the front or top panel of the computer? (Choose two.)

Power button USB

Your manager is excited because they just purchased a fast USB 3.2 Gen 2x2 external hard drive for their work team. They want to set it in the middle of the cubicles and let everyone have access to it. Some of the cubicles are about 15 feet away from each other. What is the recommended maximum cable length for this type of device?

3 meters

A technician has just installed an automatic document feeder (ADF) on a laser printer. The ADF was sold by the manufacturer and is compatible with the printer. However, the printer doesn't pull the papers from the feeder. What might resolve the issue?

Upgrading the printer's firmware

A medical office needs to make all old records available electronically. What device can they install on their printer to make scanning hundreds of documents go more quickly?

Automatic document feeder

You have a desktop computer with three PCI expansion slots. What will happen when you mix cards of different speeds on the same motherboard?

The cards will all operate at the slower speed.

Which of the following statements accurately explains what happens during the exposing step in the laser printer imaging process?

A laser reduces areas of the drum from a strong negative charge to a slight negative charge.

Which of the following is the defining characteristic of a passive heatsink cooling system for a CPU?

It does not require a fan or power

Which of the following system settings are configurable in the UEFI? (Choose three.)

Date and time CPU fan speeds Power-on password

Which level of cache is typically the smallest and closest to the processor die in a computer?

L1 cache

Which of the following are types of CPU sockets? (Choose two.)

LGA PGA

Your office has a laser printer, and your manager asks if it can be upgraded to print on both sides of the paper. What type of device can add this functionality?

Duplexing assembly

Which component in a laser printer is responsible for converting AC current into usable energy for the logic circuitry and motors? (Choose two.)

low voltage power supply (LVPS), DC power supply (DCPS),

The Acme company has a laser printer in its Chicago office that has been used for three months. A technician needs to ship the printer to the Detroit office for use there. What, if any, preparations should be made for the toner cartridge?

Remove the toner cartridge from the printer before shipping.

A client wants you to upgrade their desktop computer to have two video cards. You want to be sure that this computer can support the extra adapter. What type of open internal expansion slot should you look for?

PCIe

Which step immediately precedes the cleaning step in the laser printer imaging process?

Fusing

Which of the following are services created by Apple to allow for the automatic discovery of printers on local networks? (Choose two.)

Bonjour AirPrint

After installing a new print cartridge in an inkjet printer, what process must be run before printing to the device?

Calibration

Which type of printing technology might require replacing a heating element if it is no longer making images on waxy paper?

Thermal

You have a laser printer that is displaying the message “Perform user maintenance.” What should you do to resolve this situation?

Apply a maintenance kit and clear the message.

You need to create several UTP cables from a roll of bulk cable. Your company uses the T568B standard. What is the correct order for wires in the connectors?

White/orange, orange, white/green, blue, white/blue, green, white/brown, brown

You are installing network cable that will support digital cable television signals. What type of cable should you install?

Cable television installations typically use RG-6

You need to replace a faulty 250-foot section of RG-6 cable, but all you have available is RG-59. Which of the following statements is true?

If the replacement cable works, it won't work as well. RG-6 should be purchased.

You have been asked to design a new network that requires 10 Gbps transmission speeds. Which cable types will meet the minimum specifications? (Choose two.)

Multimode fiber (MMF) Cat 6a

What characteristic differentiates STP from UTP?

STP has a layer of foil shielding inside the cable insulation

While cleaning out a storage room, a technician finds several rolls of Cat 5e network cable. The technician thinks they might be able to use it to create replacement cables for their network. What is the maximum speed that this cable will support?

1 Gbps

You are replacing cabling in a network. The existing cable was only capable of 100 Mbps maximum speed. What type of cable are you replacing?

Cat 5

You are installing UTP network cable for a client. The client's policies require that network cables do not produce poisonous gas when burned. What type of cable do you need to install?

Plenum

You are trying to replace a hard drive in an older system. The connector has 68 pins, along two rows. You believe from the printing on the motherboard that it is a 16-bit connection. What type of drive do you have to replace?

SCSI

A technician has a tablet whose documentation says it can connect to an HDMI display. However, the tablet has a port far smaller than HDMI. What type of video connection would be typical for this small form-factor device?

Mini-HDMI

What was the connectivity port/cable end Apple used to replace the 30-pin dock connector beginning in 2012?

Lightning

With what connection standard is the Apple Thunderbolt 3 cable fully compatible?

USB-C

Which of the following connection types can be inserted or first flipped over and inserted?

USB-C

What serial connector type was commonly used for communication, keyboards, mice, or game controllers before USB became popular?

DB9

Which of the following does not apply with triple channel memory?

Triple the memory access latency

What form factor for solid-state hard drives measures 22 mm wide with lengths varying between 30 mm, 42 mm, 60 mm, and longer?

M.2

What form factor for solid-state hard drives has dimensions that mirror the older, platter-type magnetic drives?

2.5′′

You want to connect a 3.5′′ external hard drive to your computer. What port is used to connect external drives to the SATA bus?

eSATA

You wish to protect your system from someone not authorized to start the OS. What is your best option?

Password-protect in the BIOS/UEFI settings.

What is used to ensure an efficient and effective heat exchange away from the CPU?

Thermal paste

If you require more USB ports than your system can provide, what is your most cost-effective option?

Install a USB expansion card

What technology allows you to generate a tangible product from a computer-aided drafting application?

3D printer

You need to purchase RAM for a computer. Which factors determine the speed of memory you should purchase? (Choose two.)

RAM speed supported by the motherboard RAM speed supported by the processor

You installed a new motherboard because the previous one failed. Your new motherboard doesn't have a VGA display port; it has onboard HDMI. Your display only uses VGA. What is the least expensive option to resolve this dilemma?

Purchase an HDMI-to-VGA adapter

What type of printer will most likely have an extruder as one of its components?

3D printer

Your company owns a 3D printer and has asked you to order the consumable materials for it. It is an extrusion type printer that is used to make small plastic parts. What is the material called that you'll order for it?

Filament

You've been asked to replace some UTP network cable with other UTP cable that is capable of 10 Gbps. The longest drop is 75 meters from the network rack. What is the lowest category of cable that can meet your needs?

Cat 6a

You need to update a twisted pair cable that runs between two networking closets. The total distance is only 20 meters, and it needs to run at 10 Gbps. What is the lowest category of cable that you can replace it with?

Cat 6

Your friend wants to run cable for a PoE WAP in their workshop, which is about 100 feet from the network connection in their house. They're not sure how to go about it, but they know that they don't want to have wires overhead. They also want to make sure it is shielded. What type of cable can you suggest that can go that far and has superior insulation and a water blocking layer?

Direct burial STP

What are the advantages of UTP over STP? (Choose two.)

UTP is more flexible. UTP is less expensive

What type of network cable uses pulses of light to transmit data instead of an electrical charge?

Fiber-optic

What type of data cable transmits data only one bit at a time, but very fast?

Serial

You have a motherboard that has 16 RAM slots. It is a quad-channel, with four RAM slots for each channel. The slots are all black, but they are labeled A1, A2, A3, A4, B1, B2, B3, B4, and so on. To take advantage of the quad-channel feature, how will you install the RAM modules?

Install them in A1, B1, C1, and D1.

You've maxed out the physical RAM on a motherboard but need more to run a particular app. The operating system will let you adjust a setting so that you can use some of the hard drive as if it were physical RAM, and the OS will swap data between RAM and the hard drive in a unit called a page. What type of memory are you using?

Virtual

What is the purpose of a Molex connector?

Power connections

You have an extruder-type 3D printer. What two components of the printer are likely to move as the print job progresses? (Choose two.)

Extruder nozzle Print bed

What type of drive is likely to be a 15,000 rpm drive?

Magnetic

What type of hard drives are not available in a 3.5′′ form factor?

mSATA

What keys are used for M.2 slots? (Choose two.)

B M

Which version of SATA ties SATA drives into the PCIe bus on the motherboard, boosting the data throughput far beyond 600 MBps?

SATA 3.2

Which of the following are AMD socket types? (Choose two.)

Socket AM4 Socket TR4

What type of motherboard may have multiple processors and plenty of RAM, and can sometimes be found mounted in a networking rack?

Server

Which of the following processors are you more likely to find in a server than a workstation? (Choose two.)

Intel Xeon AMD EPYC

What type of motherboard is designed to be very compact and is generally proprietary?

Mobile

Which of the following are true about ARM architecture? (Choose two.)

It's licensed by ARM Holdings to many chip manufacturers. It uses Reduced Instruction Set Computing (RISC).

You work in a secure environment and it's your responsibility to ensure that no data leaves the network. You've just received a batch of new computers in. What can you do in the UEFI to help ensure users can't copy data to a USB drive?

Look for a setting to disable USB ports and disable them.

You're building a SAN for your company. Which of the following will you most likely need to install in your server to attach the server to the SAN?

Fibre Channel HBA

Your friend is looking over your shoulder as you work on a computer. They ask what all the pins sticking up are. Some are labeled USB1, some USB2, and others are labeled front panel. What is the generic term for these pins on the motherboard?

Headers

What type of CPU is considered long obsolete?

ARM

You need a PC solution that is capable of accepting video footage from a gaming console or video camera and saving it in a file. You also want to ensure that it won't skip, lag, or freeze. Which of the following would be the best solution?

Capture card

A business has a PC that a user needs to work with in a room that is not air-conditioned, but the computer keeps shutting down because the processor is overheating. You've checked the cooler and thermal paste and it's fine. What can you do in this PC to help it run cool enough?

Add case fans.

You are replacing the power supply in a computer system that uses a 24-pin P1 connector. You have a few power supplies in the closet to choose from. Which one with the following connections will work? (Choose two.)

20-pin+4-pin P1 connector An ATX12V PSU

You're considering a power supply that has interchangeable cables that plug into and out of the power supply so that you can have exactly the connectors you need and not have extra cables taking up space in the case. What type of power supply is this?

Modular

You're setting up a server that can't possibly have downtime. Which of the items below do you need to make sure you have connected to it?

Redundant power supply

Your new tech is unboxing a new printer and you see them open the top and flip the box upside-down, then pull the box off the printer. What will you say? (Choose two.)

That's not the right way to unbox a printer. It's better to lay the box on its side and pull the materials out.

You just purchased a network-enabled multifunction device. Which one of the following connection types are likely not built into it?

RFID

You have a client that wants to use carbonless, multipart forms with their new printer. What type of printer will you recommend for them?

Impact

The administrative assistant at your company needs to be able to choose between printing on letterhead or plain paper for each print job. You're training them how to do this. What settings will you be showing them?

Tray settings

Which types of printers require calibration as a part of maintenance? (Choose two.)

Laser Inkjet

What printer feature will store documents on the printer and not print them until the user enters a password or scans an ID card on the print device?

Secured prints

What type of connectivity device is used to terminate network runs in a telecommunications closet?

Punchdown block

What two consumable materials are used by 3D printers? (Choose two.)

Resin Filament

What are three communication interfaces that are used by SSDs to send data across a motherboard? (Choose three.)

NVMe SATA PCIe

What is the (approximate) maximum theoretical bandwidth of a PCIe x16 slot, version 5.0?

64 GBps

What type of cloud service offers the best security?

Private

Your manager tells you to purchase cloud-based services. Your network needs extra processing power and file storage. What type of service should you purchase?

infrastructure as a service (IaaS),

Your company has decided to purchase cloud services from Google. They will be getting infrastructure with on-demand computing services including processing power, storage and bandwidth over the Internet. Anyone can purchase these same services from Google, and a third party is responsible for maintaining and managing the hardware. What type of cloud is Google providing for your company?

Public

Your company produces software and employs about 20 developers. They need to program apps for different operating systems. You decide to purchase cloud-based services to support the development team. What type of service should you purchase so that they can develop their programs and then test them in environments other than where they were developed?

Platform as a service (PaaS)

Which type of cloud service provides your company with application hosting such as productivity applications, calendaring software, and development tools, that the employees can access over the Internet from wherever they are?

software as a service (SaaS),

Which feature of cloud service allows you to instantly obtain additional storage space or processing power as your company needs it?

Rapid elasticity

You are installing virtualization on a workstation that needs to support multiple operating systems. Which type of hypervisor is best suited for this environment?

Type 2.

You are configuring client-side virtualization on an existing Windows 10 64-bit workstation. You will be running a second installation of Windows 10 64-bit in the virtual environment as a test system. The bare minimum RAM required for each OS is 2 GB. Each Windows installation needs 20 GB of disk space. What are the absolute minimum hardware requirements for this workstation?

4 GB of RAM, 40 GB of disk space

You are setting up virtualization on a server that will be running four instances of Windows Server 2019. Four different departments will be using one instance each, and all departments have been promised 32 GB of RAM. Using resource pooling and using a bare-metal hypervisor, what is the minimum amount of physical RAM needed on the server?

128 GB

Your company has an application developer who creates programs for Windows, Linux, and macOS. What is the most cost-effective solution for them to be able to test their programs in multiple operating systems as quickly as possible?

Set up their workstation with virtual machines.

Your company wants to begin transferring particular services to the cloud, but the team cannot yet decide on the migration schedule. Management wants to pay for cloud computing based on usage, not a fixed flat fee. What payment model would you recommend?

Metered utilization

A client complains about the occupied space, abundant power usage, and hardware costs of the multiple machines used in its small data center. Still, the client does not wish to lose control over any of the machines. What might you recommend to the client to resolve all of those issues?

Create virtual machines

Which term describes physical and virtual servers, storage, and software that are used by multiple clients in a cloud computing environment?

Shared resources

What are the potential problems associated with the shared resource structure of public cloud computing? (Choose two.)

Security and confidentiality Poor application performance

Network control and security management of cloud assets is the difference between what two types of shared resources.

Internal vs. external

A company using cloud services wishes to better prepare for surges for what it needs. What sort of capacity provisioning by its cloud provider should the company ask for?

Metered utilization

You're setting up a virtual machine for one of your customers who needs a legacy OS to run software for a paper-cutting machine in an envelope factory. Windows 10 64-bit is the host OS. The legacy client OS requires a minimum 1 GB of RAM and the software running on it requires a minimum of 2 GB of RAM. What is the absolute minimum RAM needed on the virtual machine?

5 GB

The company's sales manager wants to ensure that the laptop files of its traveling sales engineers stay consistent with the files on the company cloud. What sort of applications could assist with that business need?

File synchronization

What service allows a user to access a virtual OS either in the cloud using a browser or client on their local devices or from a local virtualization server?

Virtual desktop infrastructure (VDI)

An employee travels between multiple offices, using a desktop system in each office. What technology would ensure that the employee's desktop icons, files, and applications stay uniform across systems in all the offices?

VDI in the cloud

When running a hypervisor, what enables a guest machine to connect to a network?

Virtual NIC

How can an organization permit employees who need to run an application on one mobile device to instead run it from multiple devices?

Application virtualization

In setting up and configuring client-side virtualization, what is necessary to consider before purchasing computing and storage hardware?

Resource requirements

What must be defined when wanting to maintain confidentiality, integrity, and availability of the system resources, and should be a part of the decision when choosing a cloud solution?

Security requirements

In setting up and configuring client-side virtualization, what is necessary to consider before configuring a VLAN?

Network requirements

When considering how efficiently a hypervisor runs, which of the following is best when it is minimized?

Emulator requirements

Which of the following is not considered to be a major category of cloud computing?

Everything as a service (XaaS)

Which of the cloud computing models combines on-premises infrastructure and Internet-accessed resources?

Hybrid cloud

With today's more mobile workforce, what technology provides the benefits of centralized security, ease of configuring new desktops for remote workers, and scalability regardless of where a user is or works from?

Virtual desktop infrastructure (VDI) in the cloud

A group of real estate agents has realized that they have similar computing resource needs. They've reached out collectively to your IT services company and asked if there is a solution that will let them pool their resources and save money, possibly sharing industry-specific software, but still have their servers and information held securely and locally. What will you recommend?

Community cloud

Which of these terms is a benefit of cloud computing that means the information is available constantly, regardless of location?

High availability

A graphic artist at your company needs to manipulate files in both Linux and Windows environments. You, as the IT support person, want as few physical machines to support as possible. What technology allows both OSs to run on a single machine?

Cross-platform virtualization

You've received a file from a salesperson who recently separated from your company. You want to open this file and see what it contains without subjecting your computer to possible malicious content. What Windows 10 Pro feature can you turn on that will create a protected environment for opening this file?

Sandbox

Your friend is a software developer. They have Windows 10 Pro installed on their SOHO computer. They are creating an application that needs to run smoothly on both Windows and Linux machines, so it will need to be tested in both of those environments. What would be the best solution for your friend?

Virtual machines on their PC

A manufacturing client has a piece of equipment that is running on a Windows 7 OS. The equipment-specific software won't run on any other OS, and the client is concerned about what they will do when the Windows 7 computer inevitably crashes. Cost is always a concern. What is a viable, cost-effective solution for your client?

Migrate the software to a Windows 7 VM running on a Windows 10 host.

Why would a company prefer to run multiple applications each on its own VM rather than on a single server?

Security

Which of the following would essentially be the same whether running an OS on a virtual server or a physical server? (Choose two.)

Security configuration Licensing

Which cloud model offers the greatest control over data and security?

Private cloud

You are a manager in a call center that employs 300 people who may be working any of three shifts on any given day, taking whichever of your 100 seats is available. Company regulations require that all information remain hosted locally. What technology can you use so that their files, folders, and desktop icons all appear the same regardless of which computer they log on to?

VDI on premises

Which of these is not an advantage of cloud computing?

Complete control over data

You are an avid fan of Twitch, the streaming application where you entertain yourself as you watch other people play games. Twitch works well at your house and at your friend's house. However, when you visit the website at work, the website looks fine, but you can't watch anyone play games. You've tried this on both your phone and your laptop. Which of the following should you suspect as the reason?

Your company firewall

A user approaches you and asks for a CPU upgrade so their Lenovo laptop will run faster. What is most likely the easiest way to meet this user's needs?

Replace the laptop with one that has a faster CPU.

You are using a USB flash drive to transfer files from a laptop. You plug the USB drive in and then copy the files to it. What is the recommended way to remove the drive?

Use the Safely Remove Hardware icon in the system tray, stop the drive, and then unplug it.

You have decided to start playing video-intensive games on your laptop computer. The video appears jumpy and slow to respond. What should you do first to try to increase the performance during game play?

Use the system BIOS/UEFI to increase the amount of video memory available.

A guest presenter plugs an external projector into their laptop using the HDMI port on the back of the laptop. They then use the Fn key and video toggle switch; the projector displays the presentation, but the laptop screen goes dark. What should they do if they want to see the presentation on both the projector and the laptop?

Press the video toggle key again until the presentation is shown on both screens.

A user has a laptop that is intermittently locking up. Initial diagnostics indicate that the processor is overheating. What can you do to try to remediate the issue? (Choose two.)

Lower the CPU voltage in the system BIOS/UEFI. Lower the CPU clock speed in the system BIOS/UEFI.

A client has a laptop with an integrated video card. The system seems to boot but produces no video, even with an external display hooked up. What can you do to fix this?

Replace the motherboard.

A user has brought their laptop to you because the screen is intermittently flickering. Which display component is most likely causing this?

Inverter

An administrator ordered replacement printer paper that is a thicker caliper than recommended by the printer manufacturer. What is the biggest risk in using this paper?

Paper will jam

You have an OLED display that you just plugged into a desktop computer. One of your coworkers changes the resolution from 1920×1080 to 1920×1200, but then the image looks highly distorted. What is the most likely cause of this?

The display has a native resolution of 1920×1080

A user has a display that flashes a black screen every few seconds. What is likely set incorrectly and causing the problem?

Refresh rate

A friend who plays video games has asked you how they can fix tearing on their display. What will you tell them?

The refresh rate is set too low.

What is the name of the boot routine that verifies the size and integrity of the system memory, among other tasks?

POST

You upgraded the RAM on your system and are now having boot issues. The manufacturer's website recommends updating the BIOS. What is the easiest way to do this?

Flash the BIOS.

You moved a projector from an old conference room to a new one. The projector was working fine in the other room, but the image seems dim in the new room. Before you purchase a new projector, which of the following should you try?

Turn the brightness up

Your friend has just finished building a computer. After installing the operating system, all seems fine except that they found that flash drives placed in the USB ports on the top of the case do not get noticed by the OS. Where do you suspect the problem is?

Motherboard's internal USB connector disconnected

You are troubleshooting a Mac running macOS. Intermittently, the computer will completely lock up and display a rotating pinwheel instead of the mouse cursor. It happens when different applications are running. What is most likely causing this problem?

RAM

You're at a friend's house when you notice a burning smell from their computer. What is the first thing you should do?

Unplug the computer

You are troubleshooting a desktop computer that is prone to unexpected shutdowns. They seem to happen randomly, sometimes shortly after the computer starts, other times after several minutes. The user reports that no error messages appear before the computer shuts down. Which two things are most likely to cause this type of problem? (Choose two.)

Bad RAM Improperly seated chips

You're troubleshooting a computer that the user says shuts down after 10 minutes, every time they start the computer. If they wait a few minutes and restart it, the same thing happens. What is most likely the problem?

Processor

A user calls the IT help desk in a panic because they have a BSOD on the screen. You ask them if there is a specific error message displayed and if they have installed any hardware or software lately. They haven't. What would be a good first step to resolve the BSOD?

Try rebooting the system; Windows will try to fix it.

You have just replaced faulty RAM in a desktop computer. You reboot the computer, and after a few seconds, it beeps once. What does this indicate?

The system BIOS completed the POST routine normally.

You are troubleshooting a computer that will not boot. It tells you that there is no bootable device. You check the BIOS, and it does not show any installed hard drives. What should you do next?

Check the hard drive connections.

A technician just replaced a failed internal hard drive in a desktop computer with an empty hard drive. They need to boot to the network to connect to an imaging server to restore the computer. How should they do this?

During boot, enter the BIOS/UEFI and change the boot sequence to boot to the network.

A user's laptop computer does not show anything on the screen, although the power light and other indicator lights are on. You plug in an external display and it does not show an image either. Which component is most likely causing the problem?

Integrated video

You are troubleshooting a computer making a loud whining noise. Looking at the exhaust fan, you see a thick coating of dust. What should you do next?

Use compressed air to clean the fan.

A user reports that their laptop battery does not charge when the laptop is plugged into an AC outlet. What is the best resolution to try first?

Remove and reinsert the battery.

A technician has determined that they need to replace a motherboard in a laptop. Which of the following procedures should be followed? (Choose two.)

Document and label screw locations.

You are troubleshooting a computer that has been randomly rebooting, and now it refuses to boot properly. Upon boot, you receive one long beep and three short beeps but no video on the screen. What tool should you use to troubleshoot the situation?

POST card

You are troubleshooting a computer that has been randomly rebooting, and now it refuses to boot properly. Upon boot, you receive one long beep and three short beeps but no video on the screen. You don't have a POST diagnostic card that will work with this motherboard. What tool should you use to troubleshoot the situation?

Motherboard documentation

Over time, the hard drive performance of your computer has gotten slower. A quick check of Performance Monitor shows that your disk read/writes are taking more time as compared to the baseline. What should you do to resolve this issue?

Run Optimize and defragment the drive.

A user's computer has failed. When you try to boot it up, you hear a loud, rhythmic clicking sound, and the system does not boot properly. What is most likely the issue?

HDD failure

A laser printer you are working with consistently produces images with white streaks running down the page. What can you do first to resolve this issue?

Gently shake or replace the toner cartridge.

The laser printer in your office recently started creasing papers and producing paper jams. Which of the following are likely to cause these problems? (Choose three.)

Bits of paper in the paper path Using the wrong paper Damaged rollers

You power on a desktop computer, and you hear the fan spinning. However, you do not see any indicator lights or get a POST beep. Which component is likely causing the problem?

PSU

Your computer is making an intermittent grinding noise. What component is most likely failing?

Magnetic hard drive

You just replaced the toner cartridge on the laser printer in your office. Now you're getting an error message displayed on the screen. What should you try first?

Remove and reinsert the toner cartridge.

Your office uses an inkjet printer. Recently, it started having problems picking up paper. Which component is likely to cause this problem?

Pickup rollers

Your office uses an impact printer and multipart carbonless forms. The office manager noticed that the bottom copies of the forms are readable, but the top copy is too light to read. What needs to be replaced?

Ink ribbon

Your network uses 802.11ac for all client computers. Recently, several users moved from one office space to another, increasing the users in the area from 20 to about 50. Now, both new and old users are reporting very slow network transfer speeds. What is most likely the cause of the problem?

The new users all have 802.11n network cards.

You have installed an 802.11ac wireless access point for a company. To cut costs, the company wanted only one central access point in the building, which is about 150 feet long. Users at both ends of the building report intermittent wireless connectivity drops and slow access. What is most likely the cause of the problem?

Low RF signal

A customer complains that although they installed a 10 GB Ethernet card in their server and their cable supports 10 Gbps, the network connection is still running at 1 Gbps. What is most likely the problem?

Slower switch

You get a call from the accounting department that their printer is printing something very strange. There are unexpected characters and text is missing. Which of the following are likely culprits? (Choose two.)

Loose or defective printer cable Incorrect or corrupted printer driver

You're having lunch with a friend. They are charging their phone and you notice that the phone is swelling. What action should be taken first?

Disconnect the power, and turn it off.

You have a laptop that the user says won't charge up since they dropped it on the floor while it was plugged in. It hit on the side with the charger, but it was running fine until the battery ran out. What might be the most expedient solution?

Solder the power jack back onto the motherboard.

A user complains that their laptop charges only when they wiggle the connector and get it at a certain angle. What will you most likely need to do?

Replace the port

Lately your friend's phone hasn't been charging very well from the wall outlet. It charges very slowly, if at all. Once it's charged it seems to work OK, but when they connect it to their laptop, the laptop doesn't recognize the phone. What will you try first to remedy the situation?

Check for debris in the charging port.

Your phone is not charging properly. When you look inside the port you can see corrosion on the connectors. What should you do?

Use lint-free swabs with a small amount of isopropyl alcohol to gently clean the connection.

The laser printer in your office recently started producing images that are not completely set. When the images come out, people are smudging them as they pick them up. What is causing this problem?

Fusing assembly

Guests in the lobby of your office are complaining that the wireless connection is often dropped and seems to be very slow (high latency). The company president wants their visitors to be happy, so they've asked you to take care of the situation. You analyze the wireless signal strength in the lobby, and it is very weak compared to the rest of the building. What are the two best solutions? (Choose two.)

Install a WAP in the lobby. Install a wireless range extender.

A technician is troubleshooting a computer configured for wired network connection that can't connect to the network. They verified that the cable is plugged in, but there are no lights lit on the network card. The computer could connect yesterday, and no other users report an issue. Which of the following are most likely to be causing this problem? (Choose two.)

Faulty network cable. The cable is unplugged at the other end.

You are troubleshooting network connectivity issues in one section of the building. After a few hours, you come to the conclusion that the network cables in the wiring closet must be mislabeled. Which tool is most appropriate to test your theory?

Tone generator and probe

You have just installed a new HP LaserJet printer on your network. You've plugged it directly into a Cat 6a network cable. You try to install the printer on a client using the printer's IP address, but you are unable to connect. The printer is in a Ready state. What should you do next?

Double-check the printer's IP configuration information.

Your network has recently grown from 50 client computers to about 90. All workstations on the network are connected using Cat 6 or better cabling, and all network devices support at least 1 Gbps data transfers. Users have been reporting very slow network speeds since the expansion, and complaints are now coming more frequently. Which of the following actions is most likely to help resolve the issue?

Add another switch to the network.

Your junior IT administrator has identified a port on your Cisco switch that is changing between up and down repeatedly. What have they observed?

Port flapping

Users have been complaining that a network resource has intermittent connectivity. You've identified the problem; the switch port is flapping. The connected device is not EEE compliant, and users need it to be available. What should you do?

Disable EEE on the switch.

A user calls you about a printer not working. The user is standing next to the printer while you are in the next building. What can the user do to be helpful in your diagnosing the problem?

Read the printer error code.

A user calls to report that they can't access the Internet or a corporate server. However, they are still able to print to a printer nearby. They have not received any error messages. Other users in the area are also unable to access the Internet. What is most likely the problem?

Default gateway down

A workstation is sending print jobs directly to a printer that has a stapler as a finishing option. When they retrieve the print job, the document is not stapled. Which of the following could be the problem? (Choose three.)

The stapler is empty. A different printer driver is needed. The stapler is not enabled.

A message has appeared on the office copier/printer that says “Stapler Jam.” Which of the following are true? (Choose three.)

Print jobs not involving the stapler may still work. This can be caused by trying to staple too many pages. The manufacturer documentation should be consulted for procedures to follow.

You set your phone in a cubby on the dashboard of your car while you're driving. It's a cold winter day in upstate New York, so you have the car's heat on fully. When you get to your destination and grab your phone, you discover that it has shut down and it won't turn on again. What do you need to do?

Let the phone cool down before turning it on again.

A user reports that their smartphone is always overheating and constantly locks up. What should you advise them to do?

Replace the phone.

A user reports that the video on their desktop computer does not display properly. There are several places where the screen will not light up; those spots are always black dots. What is this a symptom of?

Backlight failure

A user calls the help desk stating that the icons on their computer screen are huge. They can see only about six of them, and they can't see the Start menu. What most likely caused this issue?

Incorrect video resolution

You are troubleshooting a desktop computer and receive S.M.A.R.T. errors. To which component do these errors refer?

SSD

You are troubleshooting a computer system that received a S.M.A.R.T. error. Which of the following will you do first?

Back up the system's data.

You're troubleshooting a computer that isn't booting properly. When the computer is turned on, the power supply fan spins, but the computer will not POST. When you remove the cover, you notice the swollen capacitor in the center of the image below. What should you do?

Replace the motherboard.

A technician is troubleshooting a desktop computer that they suspect has a network card problem. They have tested their theory to determine the cause of the problem. According to the best practice methodology to resolve problems, which step should they take next?

Establish a plan of action to resolve the problem and implement the solution.

The desktop computer you are troubleshooting will not retain the proper time and date. You set the time and date, power the system down, and power it back on. Again, the settings are incorrect. Which component is likely causing the issue?

CMOS battery

Your friend's iPhone always has the wrong time. You tell them it's a simple fix. What should they do?

Go to Settings, select the General tab, and for Date And Time choose Set Automatically.

A technician is troubleshooting a RAID 5 array with four hard disks. One of the disks has failed. What can the technician do to recover the array?

Replace the failed disk and rebuild the array.

The corporate finance team is getting ready for a presentation in the conference room in about an hour. They frantically called you because the image the projector is putting on the screen is fuzzy. Which of the following is the least likely cause?

The contrast setting is too high.

A user reports that regardless of what is showing on their LCD desktop display, they can always see an outline of another image that never changes. What is the solution to this problem?

Replace the display.

A user claims that on their laptop, the mouse cursor will occasionally jump to different areas of the screen when they are typing. It is causing problems with their work because they end up typing in different fields than they need to. What can you suggest that will help this issue?

Disable the touchpad.

A user is complaining that the mouse drifts away on its own while they are working on their company laptop. They have changed the batteries, gotten a new mouse pad, and cleaned the mouse's sensor. What should they try next to resolve the issue? (Choose two.)

Remove and reinstall the mouse driver. Plug the mouse into a different USB port.

A coworker comes to you for help with their iPhone. When they touch the screen, it acts as if they touched it somewhere else. They have already cleaned the touchscreen with a microfiber cloth. What will you do to help them?

Suggest they get the digitizer replaced.

You're about to refer to a vendor's instructions for guidance. What step of the best practice methodology to resolve problems should you be in?

Establish a plan of action to resolve the problem and implement the solution.

Your Surface Pro tablet running Windows 10 is not responding properly to your touch gestures. What will you do?

Use the built-in calibration software.

Your smartphone slipped into the ocean when you were taking pictures. You retrieved it after a minute or so, but it was wet. What do you do?

Immediately turn it off.

A customer comes into your shop with a smartphone that is acting strangely. The sound is distorted, and there is static when they plug in the headphones. You look into the sim card slot and see a red line. What will you tell the customer? (Choose two.)

This phone may have water damage. We can replace corroded components, but the fix may not last.

You are troubleshooting a laptop that you suspect was infected with malware. You have established your plan of action and implemented the solution. According to the best practice methodology to resolve problems, which step should you take next?

Verify full system functionality and, if applicable, implement preventive measures.

A coworker is getting an error message that says Paper Mismatch. What do you tell them to do? (Choose three.)

Verify that the setting is correct in printer properties or tray properties depending on the printer. Ensure they've selected the right paper size in their software. Remove and replace the paper in the tray, and verify the paper guides are properly placed.

You've recently doubled the number of employees in your call center. Users of your company's VoIP phones have been complaining that the calls sound like the person on the other end is stuttering if they can understand them at all. What can you do to remedy this situation? (Choose two.)

Set up a VLAN for the phones. Configure QoS to prioritize phones.

Laser printer users are complaining that their print jobs aren't printing. They're using an accounting package that won't let them reprint the reports they have printed. When you look at the print queue you see their print jobs just sitting there. What will you do? (Choose two.)

Ensure the printer is turned on. Ensure there is paper in the printer.

A presenter using a projector is near the end of a lengthy presentation when an audible pop is heard, and the image goes dark. What will you do to fix the situation?

Replace the projector bulb.

A user has called the help desk complaining that their computer won't boot. You've asked them what changes, if any, have been made to the system. What step of the troubleshooting methodology are you working in?

Identify the problem.

A user has a hard drive that needs to be replaced. Before you establish a plan of action to resolve the problem and implement the solution, what should you do?

Refer to the corporate policy for handling hard drive data.

You have a NAS system and have observed alternating blinking red and white LEDs. What is happening?

You're not sure but will check the vendor's documentation.

Your home computer was working fine yesterday but today you get an error stating bootable device not found. Which of the following is most likely?

A USB drive is in a USB port.

Users on your network are experiencing VoIP calls where they only hear every other word. What is this a symptom of?

Packet loss

A user is trying to print and hole-punch reports on the shared office printer/copier, but every time the documents come out without holes. Which of the following would be related to this problem? (Choose two.)

The user didn't properly select Hole Punch. The hole punch feature is not enabled.

Which of the following is not a symptom of a projector bulb that is burning out?

A fan running when you're done projecting

You're working on a server RAID array and observe that the drive is blinking first green, then amber, then off. What does this tell you?

You're not sure but will check the vendor documentation.

You have a multitude of USB drives that you use for different storage purposes, but whenever you leave one in your PC, the computer tries to boot to the USB port instead of your Windows hard drive and gives you an error message about no boot device found. What can you do to remedy this situation?

Enter BIOS/UEFI and change the boot order so that USB is disabled or last.

A user has called the helpline, and you're helping them troubleshoot a failed computer. Upon questioning the user, you discover that there was a lightning storm in their area last night. What step of the best practice methodology to resolve problems will you perform next?

Establish a theory of probable cause.

You've just built a new system with an SSD drive. It POSTs just fine, but it's telling you that the hard drive is not found. What should you do first?

Ensure that the hard drive's data and power cable are plugged in.

You are troubleshooting a Windows 10 computer that has crashed. It displays a blue screen with the error “UNEXPECTED_KERNEL_MODE_TRAP” on it. Which component most likely caused this problem?

RAM

Your computer has been intermittently rebooting when you play an online video game. You install a hardware monitoring utility and notice in the log that the CPU temperature spikes before the system shuts down. Which action should you take first to help resolve the issue?

Reseat the CPU heat sink.

A user reports that their tablet computer will work on battery power for only about 20 minutes, even after the battery icon says it's full. They claim that it initially worked on battery power for several hours. What is the most likely cause of the problem?

The battery is failing.

A user complains that when they turn their desktop computer on, nothing appears on the screen. It sounds like the computer's fan is running, and the user reported hearing one beep when the computer powered on. What is the first thing you should check?

Is the display turned on?

The AC adapter for your laptop has a green LED indicator on it. When you plug the adapter into a wall outlet, the light does not illuminate. What could be the reasons for this? (Choose two.)

The wall outlet is defective. The AC adapter is defective

You have downloaded a scheduling app for your Android tablet. After two months of use, it will not load. You reboot your tablet, and the app still will not open. Other apps appear to work normally. What should you do?

Ensure that the app is configured to run in Settings.

You have a macOS desktop computer that does not produce an image on the screen when it boots. You hear a chime sound and normal indicator lights are on. The display is connected to the computer and the power light is on. What should be your next troubleshooting step?

Try the display on another computer or another display on this computer.

The desktop computer you are troubleshooting will not boot. When you push the power button, no status light indicators come on, and you do not hear a fan. You verify that the outlet is working and try a power cord that you know works, but it doesn't help. Which component is most likely causing the problem?

PSU

While plugging in a VGA display, a user bent some of the pins on the connector. You attempted to straighten them, but two broke off. If you use this display, what will most likely happen?

It will display incorrect colors.

You have a macOS computer that is beeping during startup. It beeps once every 5 seconds. What do you need to do?

Reseat the RAM.

You're troubleshooting a printing problem. The user selected to print in landscape mode in the software, but it comes out as a small box in the middle of a portrait mode page. What can you do to attempt to fix this? (Choose two.)

Verify that the printer is set to print in landscape mode. Have the user select a different printer tray.

Your child has a new 3D printer. They've been having fun printing all sorts of things, but today it's making a grinding noise and not moving. What can you do quickly that might fix it? (Choose two.)

Ensure that the cable moving the printhead moves freely. Check for blockages and debris.

The advertising group in your company is complaining that their printer is not printing the correct colors. Which of the following can you try to correct this problem? (Choose two.)

Dispose of generic print cartridges and use those made by the manufacturer for this printer. Change the printer settings to better quality, not faster speed.

A laser printer you are servicing has been producing ghosted images. That is, regardless of whatever prints, you can always see a faint copy of a previous image that was printed. What can be causing this? (Choose two.)

Broken cleaning blade Bad erasure lamps

The AC adapter is not properly charging the battery. The battery charging icon is not properly reading the battery life.

A user complains of a burning smell coming from their desktop computer. You instruct them to immediately shut the system down. What should be your next step?

Inspect the inside of the computer for visible signs of damage.

You have a Xerox color multifunction printer that is making a grinding noise. What is the first thing you'll try to fix the problem?

Perform a software reset.

The company's advertising department has been printing documents for an upcoming seminar all day. They've called you because they noticed that the last few printouts have lighter images of the print job displayed under the original one. What component will you clean or replace?

The HVPS

Users are printing to a laser printer, but nothing is coming out. When you look at the print queue, you see several jobs backed up. The printer is online, has paper, and says Ready. What should you do to resolve the problem?

Stop and restart the print spooler.

You are troubleshooting an inkjet printer. Users report that the printer is printing in the wrong colors. The problem just started happening recently. What could be causing it? (Choose two.)

Incorrect paper Leaking ink cartridges

Lately print jobs have been pulling multiple sheets from the tray instead of just one. You've verified that the paper is the correct weight and that the tray is properly adjusted, and you've fanned the paper's edges, but it still happens. What component will you likely need to replace in the printer?

Pickup roller or separation pad

People are complaining that the output from the company's multifunction device has little spots all over it, and it's been getting gradually worse. What will you do to correct this? (Choose two.)

Ensure the correct paper is being used. Thoroughly clean the printer.

A user is upset because their Android tablet does not ring whenever they receive a phone call. What is the first thing you should have them check?

If the tablet is set to silent mode

You are troubleshooting a laptop with an integrated wireless networking card. The user reports that the laptop will not connect to the Internet. When you look at the network activity lights, the connection and activity lights alternate blinking, in a steady pattern. What is the most likely cause of the problem?

No network connection

A user calls to report that they can't access the Internet or any other network resources. The IP address on their computer is 169.254.1.102. Which of the following is most likely to have caused this?

Unable to reach a DHCP server

The inkjet printer in your office is producing consistently faded prints. What should you do to resolve the problem?

Replace the ink cartridge.

The day after an electrical thunderstorm, you are troubleshooting a computer. After you power it up, it flashes information briefly on the screen and then reboots. It continuously reboots itself after this. Which components are most likely to cause this problem? (Choose two.)

Motherboard CPU

Within the last five minutes, several users in one part of the building have called in to report that they have lost their network connection. The connection had been working earlier in the day. What is most likely the cause of the problem?

Faulty switch

A user reports that they cannot see their network shares or email, or even connect to the printer, but local applications are working fine. You ask what has changed since the last access, and the user mentions cleaning their desk. What might be the problem?

The network cable may not be connected.

During a meeting, the manager mentions the projector has been problematic since the start of the meeting. They tried running the projector from a few laptops with no success. Multiple pop-ups were occurring, but it's unknown what the pop-up windows reported. What might be your next step?

Open the log for information on failed jobs.

A user reports the wireless Internet connection will randomly shut down in the afternoon. You check the Internet router by the window to find it still has power. What is the most likely cause of this problem?

Wireless router overheating

A technician is troubleshooting a suspected hard drive issue. They are following the troubleshooting methodology. As part of identifying the problem, what should they do?

Question the user and identify user changes to the computer.

A billing clerk just moved from their normal office out to a new office separated from the loading dock by a cement block wall. The shipping clerk on the loading dock doesn't have a problem with wireless connectivity, but the billing clerk can't get reception in their new office. When they step out onto the loading dock, their laptop works just fine. Why are they losing connectivity in their office?

The cement walls block the signal.

Your spouse just began working from home. They've decided that they like to work on the kitchen island, so they moved the router into the kitchen to get a better signal. Now the Wi- Fi connection gets dropped periodically no matter where they are in the home. What is going on?

The motors in the kitchen appliances are interfering with the Wi-Fi signal.

You've moved to a new two-story townhouse and are trying to decide where to put your router. The townhouse is a rather open concept with the dining room near its center. Which of the following options would be best?

On a stand in the corner of the dining room.

Your friend dropped their iPad and it landed on its corner, on a rock. Now the screen has three large cracks from the corner radiating outward. The icons are still visible, and the home button works, but the screen only responds in some places to touch, and they cut their finger. What will you tell them? (Choose two.)

If possible, back up the device. The display assembly needs replacing.

You are troubleshooting a difficult network connectivity problem. You have tested your theory to determine cause and found that you were wrong. According to troubleshooting theory, you have two choices for next steps. What are they? (Choose two.)

Escalate the issue. Establish a new theory of probable cause.

You are troubleshooting a desktop computer that is exhibiting erratic behavior. As part of establishing a theory of probable cause, what step should you take, as part of the best practice methodology to resolve problems?

If necessary, conduct external or internal research based on symptoms.

You're at your favorite coffee shop. You want to use their Wi-Fi, but your smartphone didn't automatically connect like it usually does. What do you suspect?

Airplane mode is on.

You're in an office building and need to make a phone call, but when you look at your phone, you have half of a bar. What should you do?

Move toward an outside wall.

You are troubleshooting a computer with a RAID 0 array using four disks. One of the disks fails. What can you do to recover the array?

Replace the failed disk and restore from backup.

You are troubleshooting a Windows desktop computer that appears to be having driver issues. According to troubleshooting methodology, when is the appropriate time to perform backups of the system?

Before making changes

The laser printer in your office is about eight years old. Recently, when you print, you occasionally get “low memory” error messages. What should you do to fix the problem?

Upgrade the printer's memory.

You are troubleshooting a recently installed three-disk RAID array. The original technician left notes that they were concerned about creating multiple points of potential failure in the system. Which type of RAID array creates more points of potential failure than a single hard drive?

RAID 0

You've been working awhile and decide to restart your Windows 10 computer, but instead of booting into the OS, the screen flashes on and off several times and seems to restart. What is likely happening?

The OS is performing updates.

A technician is troubleshooting a Windows laptop that won't boot properly. They have established a theory of probable cause. According to troubleshooting methodology, what should they do next?

Test the theory to determine cause.

The display on your laptop seems to go off and on whenever you move it. What's happening?

The video cable is loose

Your employer has a heavily used conference room with a ceiling-mounted projector. The projector connects to users' laptops with an HDMI cable. Lately, users are complaining that no matter what computer is connected to the projector, the sound is muffled. What will you try first to fix it?

Replace the HDMI cable.

A day-long training is happening in your company's conference room. The group took a break for lunch and when they returned, the projector was off. The presenter has called you for help. What has most likely happened?

The projector entered standby.

You are about to begin troubleshooting a laptop with no display. According to the best practice methodology to resolve problems, what should you always consider before you begin troubleshooting?

The corporate policies, procedures, and impacts before implementing changes

You just installed an additional new hard drive in your Windows 10 desktop computer, but when you turn the computer back on, the drive shows in the BIOS/UEFI but not in File Explorer. What is your next step?

Partition and format the drive.

Your friend's home theater projector is turning off unexpectedly. Which one of the following is not a possible cause?

The HDMI cable is loose.

Enable write caching on the drive.

Your server's drive read/write times are a bottleneck in your system, and you're concerned about downtime in the event of a drive failure. Which of the following will improve performance and fault tolerance?

Install RAID 5.

You've been troubleshooting a network connectivity issue for a user at your company and just resolved it. You've verified that the system is fully functioning again and talked to the user about how to prevent this problem in the future. What is your next step?

Document the finding, actions, and outcomes.

You are troubleshooting a computer that will not boot properly. When you power it on, it produces a series of beeps. Which components are most likely to be causing this to happen? (Choose two.)

BIOS RAM

You are working on a laptop that appears to be frozen. You press the Num Lock key several times, but the indicator light remains on. What should you do to try to resolve this issue?

Push and hold the power button until the laptop turns off, and reboot.

A user reports that their mobile phone is extremely hot and appears to be locked up. What should you instruct them to do?

Turn the phone off and let it cool down.

You have an Android phone and it's running slowly. The problem seems to be isolated to one app in particular. You check and you have plenty of free memory. You have rebooted the phone several times and the app is still slow. What should you try next?

Uninstall and reinstall the app.

The desktop computer in your office's lobby plays a welcome video for guests. Recently, the audio started intermittently failing. You replaced the speakers, and it still happens. What is the next step you should take in troubleshooting the issue?

Reseat the sound card.

You have just used administrative privileges to install a printer on a user's workstation. When the user tries to print to the printer, they get an error message saying access denied. What is the cause of this problem?

The user does not have the security permissions to print.

The inkjet printer in your office jams a lot and produces many crinkled papers. What is the most likely cause of this?

Obstructed paper path

While replacing a toner cartridge in a laser printer, a technician spilled toner on and around the printer. What should be used to clean up the spill?

A toner vacuum

You are disassembling a defective laptop to replace the motherboard. Which of the following steps are recommended? (Choose two.)

Place the screws in a multi-compartment pill box and label where they go. Label where the cables plug into the motherboard.

A user reports that their LCD display is flickering constantly. What is the easiest course of action to resolve this problem?

Replace the display.

You are having problems printing to a networked printer from your Windows workstation. Several jobs were sent, but none printed. You just tried to print a test page and nothing came out. What should you do?

Check your connections and stop and restart the print spooler.

A user reports that none of the keys on their laptop keyboard seem to work. They have rebooted the computer and the problem has not gone away. They need to finish an important paper before lunch. What should you do next?

Connect an external keyboard using the USB port.

At random times, your computer will completely lock up, requiring a hard reboot. Which two components are most likely to cause this type of problem? (Choose two.)

CPU RAM

You are consulting with a user who has a failed hard drive in a Windows computer. The user needs to get critical data off the drive but did not make a backup. Are there any options to recover the data?

Use a file recovery service or software package to try to recover the data.

In the morning, a user calls from their desk and reports that their laptop will not connect to the wireless network. They have never had a problem connecting to the wireless network from that location. When you look at their wireless adapter, you notice that there are no lights illuminated. What is most likely the problem?

Their wireless card is disabled.

Your iPhone 11 has appeared to lock up. The touchscreen is unresponsive. You press and hold a volume button and the side button, but it does not turn off. What should your next step be?

Press and release the volume up button, press and release the volume down button, and press and hold the side button.

You frequently need to carry your laptop around the building as you troubleshoot computer issues. In several places, you notice that the Wi-Fi connection drops completely. What is the most likely cause of this problem?

Low RF signal.

You have just installed a printer on a client computer. When you print to the printer, the output is completely garbled characters. What is the most likely cause of this problem?

The printer driver

A user's laptop computer does not display anything on the screen, although the power light and other indicator lights are on. You plug in an external display, and after you toggle the LCD cutoff switch, an image appears on the external display. Which components are most likely causing the problem? (Choose two.)

Backlight Screen

You have an Android phone and it's running very slowly. The apps aren't working as fast as they used to, but you still have plenty of free memory. You have rebooted the phone several times and it's still slow. You tried running only one app at a time and it's still slow regardless of what app you're running. What should you try next?

Back up the phone, then reset it to factory specifications.

The laser printer you are using has started producing all- black pages. What should you do to fix the problem?

Replace the toner cartridge.

You have installed an internal RAID controller and configured a RAID-5 array on it with four hard disks. It has been operating normally. Today when you boot up, you receive an error message saying, “RAID not found.” Which component is most likely causing this issue?

The RAID controller

One of your friends complains that when playing action games on their computer, the screen is slow to refresh and the motion is often jerky. Their system has a video card; their graphics are not integrated with the CPU. What should be done to resolve this problem? (Choose two.)

Buy a display with a faster refresh rate. Increase video memory.

A user shows you their mobile device, and the screen is constantly flickering. They have turned the device off and on again, and it still happens. Which component is likely causing the problem?

Backlight

You are troubleshooting a laptop computer that has a pointing stick in the center of the keyboard. If nobody is moving the external mouse, the cursor will slowly drift up and to the right. You have tried a different external mouse and the problem still happens. What should you do to resolve the problem?

Recenter the laptop's point stick.

A remote workstation can't connect to the network. You want to narrow down the problem to the UTP cable or the network card. Which tool can help you determine whether the cable is causing the problem?

Cable tester

An iPhone user just downloaded a new app that requires the use of GPS. It doesn't function properly. Another app they have on their phone also needs GPS, and it also does not work. How do they configure the phone to let the new app work properly?

Enable Location Services under Settings ➢ Privacy.

A technician just replaced the toner cartridge in a laser printer. Now the printer only prints blank pages. What should you do to resolve the problem?

Remove the toner cartridge, remove the sealing tape, and then reinstall the cartridge.

A user just started having intermittent network access problems. While you're troubleshooting, a message pops up saying Windows has detected an IP address conflict. Your network has a DHCP server. You open the user's TCP/IP properties and it's configured as shown here. What do you need to do to resolve the issue?

Use a packet sniffer to determine the computer with the duplicate address, and change that computer to obtain an IP address automatically.

You are troubleshooting network connectivity issues from a Linux workstation. Which command should you use to check the computer's IP address and subnet mask?

ifconfig

You are troubleshooting a Windows 10 computer that appears to be unresponsive. You press the Caps Lock key on the keyboard, but the Caps Lock light on the keyboard does not light up. What is most likely happening?

The system has locked up and needs to be rebooted.

A user reports that their computer is running slowly. When you investigate, you notice that the free disk space is at 5 percent. What is the first solution to try?

Remove old files or applications.

About a dozen network cables were unplugged from the patch panel, and none of them is labeled. You are at the one workstation that needs to be reconnected, and another technician is in the wiring closet. You want to set this computer to persistently check network connectivity so that you know when the other technician plugs in the right cable. Which command should you use?

ping -t

You are troubleshooting a laptop, and some of the keys on the left side of the keyboard are constantly sticking. The user says that a little soda might have spilled on the keyboard. What should you do first to resolve the issue?

Use a slightly dampened cotton swab to clean under the keys.

A user complains that sometimes their computer will not open files, and it happens in different programs. Which component is most likely to cause this problem?

CPU

The LCD display you use with your desktop suddenly became very dim. You have attempted to adjust the brightness settings, but even on the highest setting the picture is still dim. What will most likely resolve the issue?

Replace the backlight

The lines of print on your inkjet printer are unevenly spaced. Some are too close together, while others are too far apart. What is the most likely cause of this problem?

Stepper motor

A user calls the help desk to complain that they're getting an error message stating “SSID not found.” Then you get a second call for the same reason. Both users were connected from the same locations the day before. What is most likely the problem?

The WAP is down.

You have sent several print jobs to a networked printer and nothing has printed. You do not have printer administrator access. What can you do to see whether your Windows computer is communicating properly with the printer?

Print a test page.

You are troubleshooting a laptop that has a poor battery life. It will work for only about 30 minutes on a full charge. Which two things should you try first? (Choose two.

Perform a battery calibration. Drain the battery completely and then charge it fully.

A user is unable to connect to your Wi-Fi network. When you look at their device, there is nothing to indicate that Wi-Fi is working, and Airplane mode is off. You next look in Device Manager and see a yellow exclamation point next to the Wi- Fi NIC. What will your next step be?

Update the driver.

You have installed a PCIe RAID controller and want to create a RAID-5 array with three disks. You plug the disks in and boot up the computer. The RAID array is not detected. Where should you go to set up or troubleshoot the RAID array?

The RAID controller's BIOS

A user complains of a loud whining noise coming from their computer. It occurs whenever the computer is on and is relatively constant. Which component is most likely to cause this problem?

PSU

You have just upgraded the RAM in a desktop computer. After you power on the computer, no video appears on the screen, and the computer produces a series of three long beeps. What does this indicate?

The system BIOS detected an error in the POST routine.

A user with an 802.11ac network adapter is trying to join your 802.11ax network. Their laptop is next to yours, which is connected to the network. However, they are unable to locate the SSID. What is the most likely cause of the problem?

SSID broadcasting is disabled on the wireless access point.

A user's Android 7 phone has been crashing and they complain that their data usage has gone way up although their phone habits haven't changed. What will you suspect is the problem?

Malware

You are troubleshooting a laser printer that keeps producing vertical black lines running down the page. Which component is most likely causing this problem?

EP drum

A user reports that the screen on their tablet computer is very dim and difficult to see. They've adjusted it to the maximum brightness and it's still dim. Which component is likely causing the problem?

Backlight

You have been troubleshooting a computer, and you believe the power supply has failed. Which of the following tools can you use to test the integrity of the power supply? (Choose two.)

Power supply tester Multimeter

A user is trying to display a presentation on a projector, but nothing appears on the external screen. They try toggling their LCD cutoff switch, and it doesn't help. Another user had just presented on the projector, and it worked fine. Which component is most likely causing the problem?

Video port

Your corporate office has sent a memo that all remote offices must use a security protocol that your WAP doesn't support. What should you do first?

Update the WAP's firmware.

You're considering storage devices for a NAS. Some drives are HDD, and some are SSD. You need to balance drive speeds and price. What will you use to compare the drive speeds?

Input/output operations per second (IOPS)

Your client is running a NAS with ten 16 TB HDDs for a total capacity of 160 TB. They are complaining that the storage array's average IOPS isn't enough to keep up with company demands. What might they replace the HDDs with to maintain capacity but increase performance? (Choose two.)

Twenty 8 TB HDDs Ten 16 TB SSDs

A routine check of IOPS of your NAS reveals that it has dropped significantly. What is a likely cause? (Choose two.)

Usage patterns have changed. A drive in the array has failed

A user complains that they can barely see the image on their smartphone. Everything seems to work fine, but they can't see it. What will you do first?

Check the brightness settings.

You're at a friend's house. Your phone was working fine before you got here, and it usually works fine when you are here, but now it's taking forever to try to load a web page, and then it times out and asks if you want to use cellular data. You're at your data plan's limit. What should you do?

Check for problems with their router.

You just installed and configured a new WAP to provide better network connectivity in a remote part of the building. When you turn your laptop on to check the connectivity, there are only a couple of bars even though you're looking up at the WAP. What do you need to do?

Turn on your laptop wireless.

You're taking a walk around the exterior of your office building when your Wi-Fi analyzer shows that your network is visible in the parking lot. You're concerned that an unauthorized person can connect to your wireless network. What should you do?

Lower the WAP's power setting.

Your Wi-Fi network is experiencing some interference, which is causing poor performance and making it unstable. Which of the following might help? (Choose two.)

Increase the WAP's power setting. Choose a different channel.