Exam 1 Flashcards
A6. The printer in the accounting department has stopped all printing
processes. The print queue shows that there are seven jobs in the queue
that are waiting to be printed. Which of the following would be the BEST
next troubleshooting step?
The Answer: B. Restart the printer’s spooler
The print spooler is the software responsible for storing print jobs and
sending them to the printer. If the printer spooler has failed or has
stopped, then none of the print jobs will be sent to the printer.
The incorrect answers:
A. Send a test job to the printer and move it to the top of the queue
Since the print spooler is the issue, it won’t matter where a print job might
be in the queue. A test print job will sit at the top of the queue just like
any other print job.
C. Install an updated version of the printer driver
The printer driver on a client workstation is responsible for formatting
the print job in a way that the printer can properly interpret during the
printing process. Changing the print driver won’t fix problems with the
print spooler.
D. Delete everything in the queue and resend the print jobs
If the spooler is having problems, then deleting the print jobs will only
require users to resend the print requests, which will then sit in the queue
and not print
A system administrator has connected an external USB drive to a
computer to transfer some documents. When booting the computer, the
system tries to boot from the external drive and gives an error message.
Which of the following would be the BEST way to prevent the USB drive
from booting?
The Answer: A. Modify the BIOS to boot from the internal hard drive
The boot order is managed in the system BIOS, and one way to avoid the
computer from attempting to boot from an external storage device is to
move the internal drive to have a higher boot priority.
The incorrect answers:
B. Modify the boot order in Windows Disk Management
Windows Disk Management is not used to configure the boot order of
the computer. By the time Windows has loaded, the boot order has already
been determined. The boot order is configured in the system BIOS.
C. Rebuild the MBR on the external hard drive
Rebuilding the MBR (Master Boot Record) of the external hard drive will
not prevent the computer from attempting to boot to the drive.
Rebuilding the MBR would only be necessary if the boot record was
erased or damaged.
D. Disable the external drive in Device Manager
Since Windows Device Manager is only active after the system boots,
disabling the external drive would not prevent the boot process. Disabling
the drive in Device Manager would only prevent Windows from accessing
the drive once the system was booted
A8. A computer has been configured with an SSD, a high-end video adapter,
and the maximum amount of RAM. Which of the following would be the
MOST likely use for this computer?
The Answer: C. CAD/CAM workstation
The graphical designs created by a CAD/CAM (Computer Aided
Design / Computer Aided Manufacturing) computer requires high-speed
SSD (Solid State Drive) storage, high-end video, and as much RAM as
possible.
The incorrect answers:
A. Thin client
A thin client is a computer with the minimum hardware resources
required to perform a remote desktop or remote control function. The
applications used on a thin client are run on a remote server, so the local
device does not require any high-end components.
B. Network attached storage device
A NAS (Network Attached Storage) server requires plenty of storage and
high-speed networking, but does not require advanced video functionality.
D. VDI client
VDI (Virtual Desktop Infrastructure) clients display applications that are
running on other servers, and it’s very common to run VDI clients on thin
clients or other minimally-configured systems.
A9. A network connection in a conference room was installed years ago, and
there’s no documentation for the cable run. Connecting a device to the
cable results in a successful Ethernet connection, so the other end of
the cable should terminate somewhere in the wiring closet. Which of
these tools would be the best choice to find the other end of the network
connection?
The Answer: B. Tone generator
A tone generator is used to produce an analog tone on the cable, and an
inductive probe is used to “listen” for the tone on the other end of the
cable.
The incorrect answers:
A. Cable tester
A cable tester could be used to confirm the wire map of the cable, but you
would first need to locate both ends before that would be possible. A cable
tester doesn’t provide a way to locate both ends of a cable.
C. Multimeter
A multimeter could be used to verify continuity and the wire map of the
cable, but both ends of the cable would need to be close to the multimeter.
A multimeter can’t be used to locate both ends of a cable.
D. Crimper
If the RJ45 connector on the cable was faulty, a crimper could be used to
attach a new connector to the cable.
A10. A client’s laptop has recently had its internal mini-PCIe wireless adapter
card replaced. Although Device Manager shows the card working
properly, the wireless card management software shows very low signal
strength. The wireless card keeps dropping its wireless connection and
will not maintain a consistent network link. What is the most likely
reason for this problem?
The Answer: B. The wireless adapter antenna cable isn’t connected
The antenna cable connectors are very small, and it’s easy to leave them
disconnected after working inside of a laptop. A missing antenna cable
will cause the wireless signal strength to be very low, and often there’s not
enough signal strength to reliably send or receive data.
The incorrect answers:
A. The mini-PCIe card isn’t compatible with the laptop
The mini-PCIe (mini-Peripheral Component Interconnect Express)
standard will install into any laptop’s mini-PCIe interface. If the laptop
was not compatible, the shape and physical format of the interface would
not allow the adapter to be installed.
C. The operating system doesn’t support the wireless card
An incompatible mini-PCIe adapter would not be usable by the operating
system. In this example, the adapter card was operational except for the
low network signal.
D. The wireless card is administratively powered off
If the adapter was powered off, it would not have been able to show signal
strength data in the operating system.
A11. A user has powered on their computer and received the message
“Operating system not found.” A check of the system shows that the hard
drive cables are properly connected. Which of the following would be the
NEXT best troubleshooting step?
The Answer: D. Check for removable drives
If a USB (Universal Serial Bus) storage device is connected to a computer
and the BIOS (Basic Input/Output System) is checking USB devices
before the primary storage drive, the “Operating system not found” error
could appear with some USB devices. To avoid this error, the boot order in
the BIOS can be changed, or the USB device can be disconnected during
the boot process and reconnected after the operating system has started.
The incorrect answers:
A. Boot to Safe Mode
Safe Mode is a Windows mode that will launch the operating system with
minimal services and OS requirements. Safe Mode requires a bootable
drive, so the error message in this question would prevent Safe Mode
from starting.
B. Replace the boot drive
There’s not enough information to determine if the boot drive is bad or
faulty, so immediately replacing it would be premature. If there aren’t any
removable storage devices connected to the system, then running hardware
diagnostics of the drive would be a good next step before considering a
hardware replacement.
C. Restore from a known good backup
This question doesn’t provide enough information about the state of the
primary boot drive, so making any significant changes to the data on the
drive would not be the best next step.
A12. A user is having an issue with a smartphone not recognizing their
location on a map. All other Internet and phone features are working
properly. Which of the following would be the MOST likely cause of this
issue?
The Answer: A. GPS is disabled
The GPS (Global Positioning System) option on a smartphone provides
precise location services for apps and utilities. The map feature on the
smartphone uses the GPS to help determine the location, speed, and
direction of the user.
The incorrect answers:
B. The battery is low
Although some mobile devices will minimize unnecessary services when
the battery is low, a notification is usually provided to inform the user of
this situation. A low battery would not be the most likely reason for the
GPS to be disabled.
C. Wi-Fi is enabled
Wi-Fi would actually help with location services, especially when a clear
view of the sky and GPS satellites is not available. Enabling Wi-Fi would
not cause any issues with apps that need location services.
D. Storage space is low
Location services do not require any significant storage space on a
smartphone, so a lack of storage would not cause any issues with apps that
need to use location services.
A13. A client’s laptop sounds like it is booting normally, but nothing appears
on the LCD display. After closer inspection, you notice the output is
visible but it’s too faint to clearly see anything. What is the MOST likely
cause of this issue?
The Answer: B. Inverter
The inverter powers the CCFL (Cold Cathode Fluorescent Lamp) LCD
(Liquid Crystal Display) backlight, allowing you to easily view the pixels
on the display. Most newer laptops will use LED (Light Emitting Diode)
backlights that use the existing DC (Direct Current) power and don’t
require an inverter.
The incorrect answers:
A. Video card
A faulty video card might cause the video display to stop working
completely, or the information on the screen may be corrupted. A faulty
video adapter does not commonly cause the display to have a decreased
backlight setting.
C. Video driver
Bad video drivers often cause issues with resolution settings or aspect
ratios, but a bad video driver does not commonly affect the backlight
settings.
D. Power adapter
A bad power adapter would cause a laptop to fail during the boot process
or fail to properly charge a battery. A bad power supply would not usually
cause everything to work properly except for the backlight.
A14. A graphics designer is experiencing increasing delays when accessing files
on her hard drive. The user maintains a daily backup of all data on the
drive. Which of these would be the BEST next troubleshooting step for
this issue?
The Answer: B. Perform a hard drive diagnostic
Before making any changes, it would be useful to gather more information
about this problem. A hardware diagnostic would determine if the hard
drive itself is working properly. If the hard drive is operating normally, the
troubleshooting process can then shift to the operating system
and software.
The incorrect answers:
A. Reinstall Windows
Reinstalling Windows won’t help if the hard drive is not operating
properly. The reinstallation process is also a time-consuming and is a
significant change, so it’s important to know if the underlying hardware is
working.
C. Restore from the daily backup
The root cause of this issue hasn’t been identified, so any significant
change to the user’s data would be premature. The user may have also
modified some of this data since the backup was taken, so restoring the
backup could potentially lose data.
D. Boot to Safe Mode
Safe Mode will start Windows with a minimal configuration, and this
could help troubleshoot software issues with the operating system itself.
Before analyzing the software, it would be important to know if the
underlying hardware is working properly.
A15. Which of the following would be MOST likely found on a DVD-ROM?
The Answer: A. Document archive
The DVD-ROM (Digital Versatile Disc - Read Only Memory) format
has the advantage of a relatively large storage area and the ability to
write once and never worry about an accidental deletion. The storage of
documents and other files is a common use of DVD-ROM optical discs.
The incorrect answers:
B. Operating system boot files
Although it is possible to boot an operating system from a DVD-ROM,
it’s not a common use of the format. It’s much more common to store
operating system files on a local storage drive with a higher storage
capacity and throughput, such as a hard drive or SSD (Solid-State Drive).
C. RAID parity files
A RAID (Redundant Array of Independent Disks) array requires that all
of the data and parity information reside on the local storage drives. Parity
information would not be stored on a DVD-ROM disc.
D. BIOS configurations
BIOS configurations need to be accessible from the motherboard of a
computer, and not from other storage devices. BIOS configurations would
not be found on a DVD-ROM disc.
A16. When a user starts their computer, the screen remains blank and the
computer beeps twice. Which of these would be the MOST likely cause
of this issue?
The Answer: B. The memory is faulty
The POST (Power On Self Test) is the initial hardware check that occurs
during the startup process. If a major hardware component is faulty, the
computer will beep and a message will be displayed on the screen. If the
issue is related to a critical component, the computer will not be able to
display a message on the screen and instead will beep a certain number of
times as a code to specify the error.
The incorrect answers:
A. The boot device is not connected
A missing boot device would display the normal BIOS startup and display
a message on the screen for “No Boot Device Found.”
C. The operating system has become corrupted
A bad operating system would display the normal BIOS startup messages.
When the operating system attempted to load, the OS will provide error
messages on the screen for any issues related to the corrupted files.
D. The PC is infected with malware
A malware infection would not commonly cause a system to boot with
a blank screen and a beep code. Malware would be identified once the
operating system has started.
A firewall is configured to block email transfers from a remote server.
Which of the following ports is the firewall blocking?
The Answer: D. 25
Port 25 is used by SMTP (Simple Mail Transfer Protocol) to send email
messages from devices and transfer those messages between SMTP email
servers.
The incorrect answers:
A. 443
Port 443 is commonly used by web browsers to transfer information using
SSL (Secure Sockets Layer) or TLS (Transport Layer Security) encryption
protocols.
B. 22
The SSH (Secure Shell) protocol uses port 22 as an encrypted terminal
communication. SSH is commonly used to access the command line
terminal of remote devices and servers.
C. 23
Port 23 is used by Telnet for non-encrypted terminal communication
between devices
A18. A technician is connecting a laptop to an LCD projector in a conference
room. The display on the laptop works properly, but the projector image
is constantly flickering and pixelating. The technician has modified the
resolution and refresh rates, but the projector image continues to flicker.
Which of the following would be the BEST next troubleshooting step?
The Answer: A. Replace the video cable
A display issue associated with flickering and poor video quality would
commonly point to the connection between the video adapter and the
display device. In the case of an LCD (Liquid Crystal Display) projector,
there’s sometimes a very long (and very worn) cable that can cause signal
issues to show on the projected image.
The incorrect answers:
B. Disable the laptop display
Disabling the laptop display won’t help with any signal problems, and
would probably hinder the troubleshooting process because you wouldn’t
be able to properly see the display information due to all of the flickering
and pixelating.
C. Replace the projector bulb
The bulb in an LCD projector either works or doesn’t, so it will be very
obvious if the bulb is faulty. In this example, the projector bulb is working,
but the information displayed on the projector is an issue.
D. Power cycle the projector
The projector itself would not commonly cause any display flickering
or image problems, so power cycling the projector wouldn’t normally
resolve this type of problem. If all other troubleshooting tasks fail, then
power cycling everything might be an option, but it wouldn’t be the first
troubleshooting step.
A19. The stylus on a Windows tablet will no longer interact with the user
interface. Which of these would be the MOST likely cause of this issue?
he Answer: A. Digitizer
The digitizer is the component in a touch screen that converts the
analog input from a fingerprint or stylus into a digital input that can
be understood by the computer. If the digitizer is having an issue, then
problems will occur with any direct screen input.
The incorrect answers:
B. Backlight
An LCD screen does not produce any light, so a backlight is used to make
the screen bright enough to see. The brightness of the screen does not have
any effect on the stylus.
C. Antennas
There are a number of antennas in a computer for 802.11 networks and
Bluetooth connections. The stylus does not use any of these antennas.
D. Inverter
An inverter is used in older LCDs (Liquid Crystal Displays) to invert DC
(Direct Current) power into AC (Alternating Current) power. This AC
power is used by CCFL (Cold Cathode Fluorescent Lamp) backlights.
Most of the newer LCD displays contain LED (Light Emitting Diode)
backlights that use the existing DC power and do not require an inverter.
A20. A user in the accounting department needs to output a form on the laser
printer that prints on both sides of the page. Which of the following
options should be configured in the accounting software?
The Answer: C. Duplex
The duplex setting prints the output on both sides of the page, and a
printer that supports duplexing will flip the page over without any manual
intervention from the user.
The incorrect answers:
A. Collate
When printing multiple copies, the collate option will print all of the
pages in a document before printing the next copy.
B. Orientation
The orientation setting will change the output between portrait or
landscape. The orientation option will not change which sides of the page
are used.
D. Resolution
The resolution setting will modify the number of dots per inch used for
the output. A larger number of dots per inch will increase the resolution
and make the text and images appear sharper on the page.
A user needs to connect their laptop to the wired Ethernet network, but
the laptop does not have an integrated Ethernet interface. Which of the
following would allow the laptop to connect to an Ethernet network?
(Pick TWO)
The Answer: A. Docking station
C. USB to Ethernet adapter
There are a few ways to create a wired Ethernet connection on a laptop
computer. Using a docking station is a common solution that provides
many different interfaces, and often includes the ability to install a fullsize PCI Express (Peripheral Component Interconnect Express) adapter.
A USB (Universal Serial Bus) to Ethernet adapter is a simpler solution
that only provides an Ethernet interface, but it’s much more portable than
a docking station.
The incorrect answers:
B. VGA interface
A VGA (Video Graphics Array) interface is an interface for video output
and does not provide Ethernet connectivity.
D. DisplayPort to HDMI cable
Both DisplayPort and HDMI (High-Definition Multimedia Interface)
provide video output and are not used for Ethernet on a laptop computer.
E. DVI to HDMI adapter
DVI (Digital Visual Interface) and HDMI are video interfaces and do not
provide a wired Ethernet link.
F. Bluetooth
Bluetooth is a wireless PAN (Personal Area Network), and it does not
provide wired Ethernet connectivity.
A22. A server administrator has received an alert showing that one drive in a
RAID 1 array has failed. Which of the following would be the best way
to resolve this alert?
❍ A. Replace the bad drive and resync the array
❍ B. Replace all drives in the array and resync the array
❍ C. Replace the bad drive and restore from backup
❍ D. Convert the array to RAID 0 and replace the drive
❍ E. Replace all drives in the array and restore from backup
The Answer: A. Replace the bad drive and resync the array
A RAID 1 (Redundant Array of Independent Disks, level 1) array is a
mirrored array, which means that all of the information on one physical
drive is also copied and maintained on a separate drive. If one drive fails,
then the drive with the redundant data continues to be available. To
repair the array, the bad drive needs to be replaced and the data from the
redundant drive is synchronized to the new drive.
The incorrect answers:
B. Replace all drives in the array and resync the array
A RAID 1 array continues to run after a drive outage, and all data
continues to be available. There’s no reason to replace all of the drives in
the array, and if all drives were replaced there would be nothing to resync.
C. Replace the bad drive and restore from backup
Since no data is lost after a single drive failure in a RAID 1 array, restoring
from backup is not necessary.
D. Convert the array to RAID 0 and replace the drive
RAID 0 is striping data across drives, and there is no redundancy in a
RAID 0 array. It’s not common to convert arrays between RAID levels,
and a conversion is not necessary to restore full functionality to this
RAID 1 array.
E. Replace all drives in the array and restore from backup
There’s no need to restore from backup when replacing a single drive in a
RAID 1 array.
A23. A system administrator is building a server for a data center in another
country. The server will manage a print queue and provide a local storage
partition for temporary file transfers. Which of the following power
supply specifications will be the MOST important for this server?
The Answer: A. Voltage input options
Connecting to the power source in a different country is an important
consideration when selecting a power supply. If the voltage specifications
are incorrect, the server may not operate at all or components in the server
may be damaged. Many servers use auto-switching power supplies are
compatible with the power systems in other countries.
The incorrect answers:
B. Number of PCIe connectors
PCIe (Peripheral Component Interconnect Express) is a standard bus
type, and some of the adapters on this bus may require additional power.
However, none of the requirements of this server would need more PCIe
connectors than a standard power supply.
C. Modular cabling
Using a power supply with modular cables can help with airflow, but this
modularity isn’t a requirement for most systems. Most data centers are
climate controlled, so it shouldn’t be difficult to maintain a reasonable
temperature with a non-modular power supply.
D. Fan noise rating
A data center is usually quite noisy, so the noise rating of a power supply is
not going to be a significant concern.
A24. Which of the following ports are used for file transfers? (Select TWO)
The Answer: A. 21 and E. 20
FTP (File Transfer Protocol) is a standard method of transferring files
across different operating systems. FTP uses TCP (Transmission Control
Protocol) port 21 for control messages and port 20 to transfer data.
The incorrect answers:
B. 110
Port 110 is the default port for POP3 (Post Office Protocol version 3).
POP3 is commonly used to retrieve email messages from an email server
into a local email client application.
C. 25
Another common email protocol is SMTP (Simple Mail Transfer
Protocol), which uses port 25 for sending mail to a mail server and to
transfer email messages between mail servers.
D. 23
Non-encrypted (in-the-clear) terminal communication is provided with
the Telnet (Telecommunication Network) protocol over port 23.
F. 53
Port 53 is the default port for DNS (Domain Name System). DNS is
commonly used to convert fully qualified domain names to IP addresses.
A25. Which of these technologies do not require a backlight to provide a
viewable display?
The Answer: C. OLED
An OLED (Organic Light Emitting Diode) display emits light when a
current is provided to an organic compound, so a backlight would not be
necessary with an OLED display.
The incorrect answers:
A. LCD
An LCD (Liquid Crystal Display) screen does not produce any light, so
a backlight is required to see the screen contents. Most LCD displays use
LEDs (Light Emitting Diodes) or CCFLs (Cold Cathode Fluorescent
Lamps) as a backlight.
B. IPS
IPS (In Plane Switching) LCD monitors provide excellent color
representation, but they are still LCD displays that require a backlight.
D. LED
LED is a type of backlight that is commonly used on LCD displays
A26. A system administrator has tripped over an Ethernet cable and the cable’s
RJ45 connector has broken. Which of the following should be used to
resolve this issue?
The Answer: D. Crimper
A crimper is used to attach a modular connector to a cable. In this
example, a new connector can be reattached to the cable using an RJ45
(Registered Jack type 45) crimper.
The incorrect answers:
A. Punch-down tool
A punch-down tool is used to connect wires to punch-down blocks, such
as a 110 block. A punch-down tool can’t be used to attach a new RJ45
connector to a cable.
B. Tone generator and probe
Tone generators and inductive probes are used together to find the two
ends of a cable run. Toner probes are not used to connect RJ45 connectors.
C. Cable tester
Cable testers can identify the wire map of a cable. Once the crimper has
been used to attach the RJ45 connector, the cable tester can confirm that
the connector is properly wired. Cable testers are not used to connect
modular connectors to a cable.
A27. A network administrator is troubleshooting a network outage, and she
believes that the issue is related to a bad switch. The old switch is replaced
with a newer model and the cabling is moved to the new switch. Which
of the following should be the NEXT troubleshooting steps? (Choose
TWO)
The Answers: B. Verify full system functionality, and
E. Document the findings
Once the theory has been tested, a plan of action has been determined,
and the plan has been implemented, it’s important to verify that full
system functionality has been restored. After all of this work, it’s useful to
document the problem, the proposed solutions, and the ultimate fix. This
problem might occur again, and it would be useful to have some historical
documentation on how to address the issue.
The incorrect answers:
A. Test the theory
The testing of possible theories should occur before making any changes.
In this example, the replacement of the switch is the theory that was tested
in the lab prior to implementation.
C. Establish a plan of action
The plan of action was created prior to the replacement of the switch.
The plan design might be relatively simple or may have a complex
set of processes. The complexity of the plan generally depends on the
organization and the type of problem.
D. Identify the problem
Identifying the problem is the first step in the troubleshooting process.
Before you can resolve an issue, it’s important to fully understand what
might not be working.
A28. A gaming enthusiast is building her own computer to provide the best
performance with 3D action games. Which of these would be the most
important components of a gaming PC? (Choose TWO)
The Answers: C. High-end GPU, and E. SSD
The GPU (Graphics Processing Unit) is an important consideration when
building a gaming computer. Many computer games also read extensively
from storage, so the speed of an SSD (Solid State Drive) will provide the
fastest possible data access.
The incorrect answers:
A. RAID array
A RAID array (Redundant Array of Independent Disks) is useful when
uptime is an important priority. Since gaming is generally considered
a leisure activity, ensuring one-hundred percent uptime isn’t usually
associated with this uptime requirement.
B. Small form factor
A small form factor refers to the size of the computer case, and gaming
systems don’t usually need to fit in a small cabinet or a limited space.
D. Built-in tuner
Television tuners are useful when capturing television signals, but gaming
systems don’t often need this functionality.
F. Network-connected printer
Printers are useful for sharing physical documents and other files, but they
have limited use for a gaming system.
A29. What type of device connects multiple computers to the network, but
becomes less efficient as network traffic increases?
The Answer: B. Hub
A hub operates as a multi-port repeater, where incoming traffic is repeated
to every other port in the hub. If more than one device attempts to do this
at the same time, these conflicting signals are called a collision. Each time
a collision occurs, the sending devices have to stop transmitting, wait a
random amount of time, and try sending traffic again. If many devices are
sending large amounts of data, the overall network efficiency will decrease
as the number of collisions increase.
The incorrect answers:
A. Switch
A switch makes forwarding decisions based on destination MAC (Media
Access Control) address and can communicate over full-duplex links. This
communication method ensures that no collisions can occur.
C. Repeater
The relatively simple forwarding process of a repeater ensures that
slowdowns will not occur as network traffic increases.
D. Router
Routers forward traffic based on the destination IP address, and this
process does not create an inefficiency as the network traffic increases.
A30. In which of the following would a Lightning cable MOST likely be used?
The Answer: D. Charge a mobile device
The Lightning interface is a proprietary interface used exclusively
on mobile devices from Apple. The Lightning interface is a common
connection for data transfers and power charging for most Apple mobile
devices.
The incorrect answers:
A. Connect a server to a display monitor
Although there are video output adapters available for Lightning
connectors, these options are currently only available for Apple’s phones
and tablets and is not used on standalone computers or servers.
B. Increase the available memory of a device
Although there are options to provide external storage using a lightning
connection, the memory used in an Apple mobile device is limited to the
installed internal RAM (Random Access Memory).
C. Remotely control a mobile device
Although there are remote control options available for Apple devices,
these solutions use an existing network connection and do not use the
Lightning interface.
A31. A network administrator would like to enable DHCP on a laptop, but he
would like the same IP address to be assigned to the laptop each time it
starts. Which of the following would provide this functionality?
The Answer: A. Create an IP reservation on the DHCP server
A DHCP (Dynamic Host Configuration Protocol) server will
automatically assign IP (Internet Protocol) addresses to devices on the
network from an available pool. This means that the IP address for a
device may change over time based on the IP addresses that are currently
available in the pool. To force the same IP address assignment each time,
the network administrator can create an IP reservation in the DHCP
server that will associate a specific IP address to the MAC (Media Access
Control) address of the laptop.
The incorrect answers:
B. Administratively configure the laptop’s MAC address
The MAC address of a device will rarely need to changed through an
administrative configuration, and administratively configuring the MAC
address will not permanently assign a particular IP address.
C. Use APIPA addressing
APIPA (Automatic Private IP addressing) can provide limited networking
when a DHCP server is not available, but APIPA addressing does not
provide any static or permanent IP addressing on a device.
D. Assign the laptop to a static IP VLAN
VLANs (Virtual Local Area Networks) are commonly used to segment
the network into individual broadcast domains. Assigning a device to a
particular VLAN does not provide a method of static or permanent IP
addressing on a device.
A32. A user is complaining about slow network performance from their
workstation. A network technician checks the data closet and finds
that the wires are not properly seated in the 110 block. Which of the
following should the technician use to correct this issue?
The Answer: C. Punch-down tool
A punch-down tool is used to firmly “punch” a wire into a wiring block,
such as a 110 block. These blocks are usually located in a wiring closet or
on the back of a patch panel.
The incorrect answers:
A. Crimper
A crimper is used to fasten the modular connector onto the end of a
cable. For Ethernet, a crimper fastens the RJ45 connector used by the
workstation or laptop.
B. Multimeter
A multimeter can be used to check for voltages or continuity, but it won’t
help fasten wires to a 110 block.
D. Cable tester
Cable testers can identify the wire map on a cable to ensure that the
punch-down or crimping process has been performed properly. After
punching down this connection, the technician could use a cable tester to
validate that all of the wires are now properly connected.
A33. A user has just connected to a new wireless network, but they cannot view
any Internet web sites. Their network configuration shows the IP address
as 169.254.228.109, the subnet mask is 255.255.0.0, and they have not
been assigned a default gateway. Which of these is the MOST likely
cause of this issue?
The Answer: C. The DHCP server is down
If a DHCP (Dynamic Host Configuration Protocol) server is not
responding, then the local workstation will configure itself with an
APIPA (Automatic Private IP Addressing) address. The usable APIPA
addresses are in the range between 169.254.1.0 through 169.254.254.255.
An APIPA address is a link-local address, so network communication is
limited to the local IP subnet.
The incorrect answers:
A. The subnet mask is not correct
The subnet mask has been configured through APIPA, and the mask of
255.255.0.0 is normal for an APIPA configuration. The subnet mask is not
the cause of the browsing issues on the workstation.
B. The Internet provider is experiencing a temporary outage
In this example, the issue is related to the APIPA link-local address
assigned to the workstation. Although the Internet provider could
potentially be experiencing issues, it would not be the most likely cause of
the problem.
D. The wireless adapter is not working properly
The wireless adapter has configured itself and assigned a link-local APIPA
address, so it appears that the adapter itself is functional.
A34. A help desk technician needs to use different Windows versions to
study for an industry certification exam. The technician currently uses
a Windows desktop computer with 4 GB of RAM and a 750 GB free
on the hard drive. Which of the following would be the BEST way to
perform this task? (Choose TWO)
The Answer: D. Upgrade the system RAM, and
E. Install Windows guest VMs
The easiest way to use multiple operating systems on a single machine
is to run them as virtual machines. Although there’s plenty of storage
space for multiple virtual machines, the 4 GB (Gigabytes) of RAM
(Random Access Memory) on the host computer is too small to support
multiple Windows operating systems at the same time. Once the memory
upgrade is complete, it’s a relatively easy process to install the guest virtual
machines on the existing hard drive.
The incorrect answers:
A. Install a KVM
A KVM (Keyboard, Video, and Mouse) controller is used to consolidate
the keyboard, mouse and video monitor for multiple devices. In this
example, all of the operating systems will be running on a single device.
B. Install an additional hard drive
The available hard drive is large enough to support the installation of
multiple virtual machines.
C. Create a Windows Recovery Environment boot drive
A Windows Recovery Environment drive is useful for troubleshooting the
existing Windows installation, but it won’t help with multiple operating
systems.
A35. While configuring a new workstation in the lab, one of the engineers
recommends using 255.255.255.0. What part of the configuration is this
associated with?
The Answer: B. Subnet mask
Subnet masks are used by the local device to determine what subnet
it’s connected to. Subnet masks are a series of binary ones that are
used to “mask” the subnet address from the host address. Instead of
representing this mask in binary, it’s almost always shown in decimal form.
Common decimal representations of subnet mask start with 255, such as
255.255.255.0.
The incorrect answers:
A. Default gateway
A default gateway on an internal lab network will most likely be using
private IP (Internet Protocol) addressing that starts with 10, 172, or a 192.
IP addresses cannot start with an octet of 255. Therefore, a default gateway
in this environment would not have an IP address of 255.255.255.0.
C. DNS server
Since an IP address cannot start with the octet of 255, this address would
not be associated with a DNS server.
D. IP address
The IP address of a device cannot start with 255. It’s most likely that a
device in a lab would use an internal IP address that starts with an octet of
10, 172, or 192.
A36. Which of the following BEST describes a Bluetooth network?
The Answer: A. PAN
A PAN (Personal Area Network) is designed for a small area and usually
an individual person. Bluetooth devices such as headsets, speakers, and
automobile connections are considered PANs.
The incorrect answers:
B. WAN
A WAN (Wide Area Network) usually connects locations over a long
geographical distance. A network link between cities, states, or countries
would be considered a WAN connection.
C. LAN
The network in your building or home is a LAN (Local Area Network). If
you’re connected to an Ethernet or 802.11 wireless network, then you’re
connected to a LAN.
D. MAN
A MAN (Metropolitan Area Network) is a bit bigger than a LAN, but
smaller than a WAN. Connecting sites in the same city or metropolitan
area would use a MAN link.
A37. Sam, a user in the accounting department, is migrating from Android to
iOS. She would like all of her emails, contact lists, and calendar events to
be moved to her new phone. Which of the following would be the BEST
way to accomplish this task?
The Answer: C. Connect the new phone to the corporate Exchange
server
Microsoft Exchange manages email, calendar events, and contact
information in a single database. Using this central database, Exchange can
synchronize all of this information to both iOS and Android smartphones.
The incorrect answers:
A. Use a Windows-based migration tool
Since most smartphones can synchronize email, calendar, and events to an
existing email platform, a third-party migration tool is unnecessary.
B. Save the Android phone data as a CSV file
Most mobile phones do not provide data in CSV (Comma Separated
Value) format. Even if the Android data was available, there’s no common
way to import that data into an iOS device.
D. Use a USB-to-Lightning cable
Connecting the phones to another device or to each other would not
migrate any data between the devices.
A38. The internal Bluetooth adapter of a laptop has failed, and the user would
like to get a repair estimate. Which of the following would be the BEST
way to determine an accurate price of an exact replacement?
The Answer: C. Disassemble the laptop case and document the process
Although the operating system driver can sometimes provide details about
what’s inside, they often can hide details about the specific hardware. The
only way to know the exact make and model of the Bluetooth adapter is
a physical examination. Some laptops are easier to open than others, so
it’s useful to document the process used to gain access to the Bluetooth
hardware.
The incorrect answers:
A. Research online forums
Online forums are useful for troubleshooting technical issues, but they
won’t provide information on pricing or be able to determine the exact
make and model of the Bluetooth adapter.
B. Determine the purchase price of a USB to Bluetooth adapter
In this example, the user would like to replace the existing internal adapter.
An external USB to Bluetooth adapter may provide similar functionality,
but it would not have the same “invisible” footprint as the internal adapter.
D. View the Bluetooth information in Network settings
The operating system is often quite good at providing hardware
information, but the only way to know if it’s providing an accurate
representation of the installed Bluetooth adapter is to physically view the
actual hardware.
A39. A server administrator has been asked to configure the storage
requirements for a new database server. The database owner requires the
fastest performance, and redundancy if a single drive fails. The storage
array should support 8 TB or larger of available space. Which of the
following options would be the BEST choice?
The Answer: B. RAID 5 with 10,000 RPM, 5 TB drives
The question is focused on three requirements; performance, drive space,
and redundancy. This option provides the highest number of RPMs
(Revolutions Per Minute), the RAID 5 (Redundant Array of Independent
Disks) redundancy, and enough storage to support more than 8 TB
(terabytes) of drive space.
The incorrect answers:
A. RAID 10 with 5,400 RPM, 8 TB drives
Although RAID 10 would provide the redundancy requirement and a
series of 8 TB drives would more than cover the storage requirement.
However, the slow throughput of 5,400 RPM drives would not provide
the performance requirement.
C. RAID 1 with 7,200 RPM, 8 TB drives
RAID 1 mirroring provides the redundancy required, and 8 TB drives
provide plenty of storage space. However, the 7,200 RPM specification is
slower than the 10,000 RPMs available in answer B.
D. RAID 0 with 15,000 RPM, 5 TB drives
15,000 RPM drives provide a very fast throughput, and multiple 5 TB
drives would provide more than 8 TB of available space. However, RAID
0 striping does not provide any redundancy if a drive was to fail
