Test Questions Flashcards

1
Q

What is the best & max distance of infrared?

A

1 Meter works best No interference can go up to 30

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Basic Rate Interface (BRI) is a standard for what?

A

Integrated Service Digital Network (ISDN) for household service

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Basic Rate Interface (BRI) Features?

A

-Two Data Channels -One Control Channel -Dial Up Connetion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

BRI one or two channels?

A

The two channels can be used independently or together to provide 128 kbps total bandwidth.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

You are configuring a DSL connection what will you need as part of the configuration

A

RJ-11 Filters or Splitters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

RG-6 Cables are used for what?

A

Cable Internet Access

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Multimode Fiberoptic Cables Features

A

Supports 10-Gigabit Ethernet Speed

-Max Length 300 meters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Single Mode Fiberoptic Cables Features

A

Supports 10-Gigabit Ethernet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Twisted Pair Cat 6 & 7 Features

A

Supports 10-Gigabit Ethernet -Max Length 100 Meters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Bridge

A

Used to connect a local area network (LAN) to another local area network that uses the same protocol. Like LANs in adjacent buildings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Switch

A

Connects host on the same subnet . Forwards signals to only the port connected to the destination device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which duplex does a Switch operate in ?

A

Full duplex. Devices can either send or receive data at any given time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Router

A

Connect two networks together that have different subnets. Router is how you leave your local network.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How does a Router move data between hosts?

A

Uses the IP address within a packet to move packets between networks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Hub

A

Send data to all devices on the network because it cannot distinguish between individual hosts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ethernet over Power

A

Allows network communications to be transmitted over existing AC power lines.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What type of devices us Power Over Ethernet technology

A

Provides data and electric power to devices such as

(WAP’s) Wireless Access Points

Cameras

VoIP phones.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How does DHCP assign IP address?

A

-The workstation must request IP address info

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

DNS & Host File helps you do what?

A

Resolve Host Name into its associated IP address.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

ipconfig /flushdns

A

Deletes local DNS names that have been cached

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

When to use Static IP addresses?

A
  • The network has a small number of host
  • The network will not change or grow
  • Some host must always have the same IP address
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Will a 64 bit processor work on a 32 bit operating system.

A

Yes but you will only have access to up to 4gb of memory. You must install 64 bit operating system to get access to more.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Laser Printer prints vertical black line on every page?

A

The corona wire is dirty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Tone Generator and Probe use?

A

injects a signal onto the cable to be traced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Loopback Plug Use?
Used to test whether the (NIC) Network Interface Card can send and receive data properly
26
Cable Stripper Use
cut away plastic jacket or coating from a network cable
27
Which display is best for deeper blacks?
OLED don't require a backlight so they have a much better ratio with deeper blacks
28
Digital Light Processing is used on what device?
Projectors
29
DVI and VGA have what type of signal?
Support Video but not audio
30
Easiest ways to access internal components on a laptop
Remove the keyboard Open a panel on the bottom of the notebook
31
DDR4 & DDR3 max memory capacity
DDR4 512GB DDR3 128GB
32
Minimum configurations needed to communicate with Internet
- IP address - Subnet Mask - Defaultt Gateway - DNS Server Address
33
When would you see the phrase Healthy (Logical Drive)
A basic hard disk can only have four primary partitions. The fouth partition is automatically configured as an extended partition that hold logical drives
34
On a basic hard disk what does the status of healthy partiontions reflet
Healthy (Primary Partition)
35
What is ATSC?
In North America Digital TV signals are sent using ATSC standard.
36
What is NTSC
Is an analog TV signal standard that was replaced by the Digital ATSC
37
When are bridge clips used?
Multi-GPU configurations utilizing more than on video card
38
can be used by an Operating System (OS) to communicate with hardware (2)
- Device drivers - System BIOS
39
BIOS types that can be updated without removing the BIOS chip from a motherboard?
Flash Memory EEPROM (Electrical Erasable Programmable Read Only Memory)
40
Features of UEFI
DRM support GUI mode Mouse support Secure boot Network access
41
DRM support GUI mode Mouse support Secure boot Network access
Features of UEFI
42
(Layer 2) device designed to forward data packets between Local Area Network (LAN) segments/host
switch
43
Network segment
A specific connection between two computers, or between two pieces of hardware such as a bridge or router.
44
Which device establishes a communication channel over a PTSN?
Analog Modem
45
A device consisting of multiple ports used for the purpose of cable management is known as
Patch Panel
46
A type of network device that amplifies received signal so it can be transmitted over greater distance without loss in quality
Repeater
47
Repeater
A type of network device that amplifies received signal so it can be transmitted over greater distance without loss in quality
48
Patch Panel
A device consisting of multiple ports used for cable management
49
A network device that allows to overcome limitations related to the maximum allowable cable segment length
Extender
50
Power over Ethernet or PoE
Passes electric power along with data on twisted pair Ethernet cabling.
51
Punchdown tool
Used for attaching wires to a patch panel
52
How does ATSC card receive signal?
The TV must be hooked up to some type of external antenna, such as a coax cable referred to as the TV feed.
53
What does the Wattage rating indicate?
How much power can be supplied to various devices.
54
A plenum space
is a part of a building that can facilitate air circulation for heating and air conditioning systems,
55
Flashing the BIOS or UEFI firmware is often required when?
to upgrade system components, such as to upgrading to a faster processor.
56
Different WIFI Standards (5)
802.11a 802.11b 802.11g 802.11n 802.11ac
57
802.11ac Specifications
Operates at 2.5 & 5.0 GHz Maximum speed of 1300 Mbps.
58
802.11a Specifications
Operates at 2.5 & 5.0 GHz Maximum throughput of 54 Mbps.
59
Building Virtualization Workstation
Heavy load on the host RAM and CPU. Video and audio performance is of secondary concern.
60
Building CAD / CAM workstation
Heavy load on CPU and RAM. - ECC memory Strongly recommended - A high ­end video adapter
61
Most important Specs of Power Supply Replacement (3)
Output Wattage Form Factor Processor Connector
62
Which of the pins on the power supply's 24­pin ATX connector can be bridged to turn on the power supply?
Pin 16 on a 24­pin ATX connector is the Power\_On wire. When pin 16 is bridged with a ground pin (i.e., pins 7, 15, 17, and 18), the power supply will turn on, allowing you to measure the voltage.
63
IC extractor
is a tweezer ­like tool, used to remove integrated circuit chips.
64
A 2.0 USB supports a maximum bandwidth of?
480 Mbps
65
A 2.0 USB port supports a maximum power consumption of?
500 milliamps.
66
How to convert from NTFS TO FAT32?
Back-up Reformat Restore the Back-up
67
What needs to be complete before flashing the BIOS?
Identify the Motherboard Type Download the flash utility from the manufacturer's website.
68
Dirty Drum causes
Spots at regular intervals on the page
69
An accelerometer
measures the movement of an object. -Fitness tracking devices can use them to determine user activity levels.
70
Bone conduction transducer.
Wearable smart glasses that allow the user to hear audio
71
Optical prism
Wearable glasses presents a see­ through head­ mounted display to the user.
72
Optical Pulse Sensor
Uses pulse oximetry to determine the users pulse and is often used in wearable fitness tracking devices.
73
Thin Clients Primary Requirement to get setup?
Needs to be able to connect to a remote desktop session, -Select the fastest network adapter supported by the network it will be connected to. Gigabit speeds (or faster) are recommended.
74
What is the signal source in a Multimode Fiber Optic Cable?
(LED) Light Emitting Diode
75
What is the signal source in a Single Fiber Optic Cable?
Laser
76
What the next step after physically installing a Hard disk and configuring it in the CMOS?
partition the disk and format it with a file system using Disk Management.
77
S/PDIF port on the sound card indicate
is a digital audio output
78
Mini­TRS port on the sound card indicate
analog audio input and output
79
A mini­DIN connector
is used on video cards for S­-video input and output.
80
How to get best performance from a dual video card configuration
both video cards should be identical. -The motherboard must be compatible with either SLI (used by NVIDA cards) or CrossFire (used by AMD cards).
81
This event can require more memory and can cause problems if there is not enough memory when it occurse.
Software installation
82
Memory is not properly seated or missing or the motherboard is defective.
First boot of a new computer
83
Incompletely or improperly doing this can cause errors that appear to be memory­related.
Hardware installation or removal
84
The memory is not compatible and was not installed and configured properly.
Memory upgrade
85
What replaced NTSC standard in North America?
ATSC
86
DMS­59 connector is used?
to allow multiple video ports from a single connection.
87
tracert
defines destination IP address. It also displays the delay between hops.
88
ping
Used to test the reachability to server, but will not show where communication is blocked.
89
ipconfig
displays the hosts TCP/IP configuration.
90
nslookup
Used to show the translation of the server name to IP address, but will not show where communication is blocked.
91
# r defines destination IP address. It also displays the delay between hops.
tracert
92
# r Used to test the reachability to server, but will not show where communication is blocked.
ping
93
# r displays the hosts TCP/IP configuration.
ipconfig
94
# r Used to show the translation of the server name to IP address, but will not show where communication is blocked.
nslookup