Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CompTia 901 A+ > Test Questions > Flashcards

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
Q

Loopback Plug Use?

A

Used to test whether the (NIC) Network Interface Card can send and receive data properly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Cable Stripper Use

A

cut away plastic jacket or coating from a network cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Which display is best for deeper blacks?

A

OLED don’t require a backlight so they have a much better ratio with deeper blacks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Digital Light Processing is used on what device?

A

Projectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

DVI and VGA have what type of signal?

A

Support Video but not audio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Easiest ways to access internal components on a laptop

A

Remove the keyboard Open a panel on the bottom of the notebook

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

DDR4 & DDR3 max memory capacity

A

DDR4 512GB DDR3 128GB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Minimum configurations needed to communicate with Internet

A
  • IP address
  • Subnet Mask
  • Defaultt Gateway
  • DNS Server Address
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

When would you see the phrase Healthy (Logical Drive)

A

A basic hard disk can only have four primary partitions. The fouth partition is automatically configured as an extended partition that hold logical drives

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

On a basic hard disk what does the status of healthy partiontions reflet

A

Healthy (Primary Partition)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What is ATSC?

A

In North America Digital TV signals are sent using ATSC standard.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is NTSC

A

Is an analog TV signal standard that was replaced by the Digital ATSC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

When are bridge clips used?

A

Multi-GPU configurations utilizing more than on video card

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

can be used by an Operating System (OS) to communicate with hardware (2)

A
  • Device drivers
  • System BIOS
39
Q

BIOS types that can be updated without removing the BIOS chip from a motherboard?

A

Flash Memory EEPROM (Electrical Erasable Programmable Read Only Memory)

40
Q

Features of UEFI

A

DRM support

GUI mode

Mouse support

Secure boot

Network access

41
Q

DRM support

GUI mode

Mouse support

Secure boot

Network access

A

Features of UEFI

42
Q

(Layer 2) device designed to forward data packets between Local Area Network (LAN) segments/host

A

switch

43
Q

Network segment

A

A specific connection between two computers, or between two pieces of hardware such as a bridge or router.

44
Q

Which device establishes a communication channel over a PTSN?

A

Analog Modem

45
Q

A device consisting of multiple ports used for the purpose of cable management is known as

A

Patch Panel

46
Q

A type of network device that amplifies received signal so it can be transmitted over greater distance without loss in quality

A

Repeater

47
Q

Repeater

A

A type of network device that amplifies received signal so it can be transmitted over greater distance without loss in quality

48
Q

Patch Panel

A

A device consisting of multiple ports used for cable management

49
Q

A network device that allows to overcome limitations related to the maximum allowable cable segment length

A

Extender

50
Q

Power over Ethernet or PoE

A

Passes electric power along with data on twisted pair Ethernet cabling.

51
Q

Punchdown tool

A

Used for attaching wires to a patch panel

52
Q

How does ATSC card receive signal?

A

The TV must be hooked up to some type of external antenna, such as a coax cable referred to as the TV feed.

53
Q

What does the Wattage rating indicate?

A

How much power can be supplied to various devices.

54
Q

A plenum space

A

is a part of a building that can facilitate air circulation for heating and air conditioning systems,

55
Q

Flashing the BIOS or UEFI firmware is often required when?

A

to upgrade system components, such as to upgrading to a faster processor.

56
Q

Different WIFI Standards (5)

A

802.11a 802.11b 802.11g 802.11n 802.11ac

57
Q

802.11ac Specifications

A

Operates at 2.5 & 5.0 GHz Maximum speed of 1300 Mbps.

58
Q

802.11a Specifications

A

Operates at 2.5 & 5.0 GHz Maximum throughput of 54 Mbps.

59
Q

Building Virtualization Workstation

A

Heavy load on the host RAM and CPU. Video and audio performance is of secondary concern.

60
Q

Building CAD / CAM workstation

A

Heavy load on CPU and RAM.

  • ECC memory Strongly recommended
  • A high ­end video adapter
61
Q

Most important Specs of Power Supply Replacement (3)

A

Output Wattage

Form Factor

Processor Connector

62
Q

Which of the pins on the power supply’s 24­pin ATX connector can be bridged to turn on the power supply?

A

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
Q

IC extractor

A

is a tweezer ­like tool, used to remove integrated circuit chips.

64
Q

A 2.0 USB supports a maximum bandwidth of?

A

480 Mbps

65
Q

A 2.0 USB port supports a maximum power consumption of?

A

500 milliamps.

66
Q

How to convert from NTFS TO FAT32?

A

Back-up

Reformat

Restore the Back-up

67
Q

What needs to be complete before flashing the BIOS?

A

Identify the Motherboard Type

Download the flash utility from the manufacturer’s website.

68
Q

Dirty Drum causes

A

Spots at regular intervals on the page

69
Q

An accelerometer

A

measures the movement of an object. -Fitness tracking devices can use them to determine user activity levels.

70
Q

Bone conduction transducer.

A

Wearable smart glasses that allow the user to hear audio

71
Q

Optical prism

A

Wearable glasses presents a see­ through head­ mounted display to the user.

72
Q

Optical Pulse Sensor

A

Uses pulse oximetry to determine the users pulse and is often used in wearable fitness tracking devices.

73
Q

Thin Clients Primary Requirement to get setup?

A

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
Q

What is the signal source in a Multimode Fiber Optic Cable?

A

(LED) Light Emitting Diode

75
Q

What is the signal source in a Single Fiber Optic Cable?

A

Laser

76
Q

What the next step after physically installing a Hard disk and configuring it in the CMOS?

A

partition the disk and format it with a file system using Disk Management.

77
Q

S/PDIF port on the sound card indicate

A

is a digital audio output

78
Q

Mini­TRS port on the sound card indicate

A

analog audio input and output

79
Q

A mini­DIN connector

A

is used on video cards for S­-video input and output.

80
Q

How to get best performance from a dual video card configuration

A

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
Q

This event can require more memory and can cause problems if there is not enough memory when it occurse.

A

Software installation

82
Q

Memory is not properly seated or missing or the motherboard is defective.

A

First boot of a new computer

83
Q

Incompletely or improperly doing this can cause errors that appear to be memory­related.

A

Hardware installation or removal

84
Q

The memory is not compatible and was not installed and configured properly.

A

Memory upgrade

85
Q

What replaced NTSC standard in North America?

A

ATSC

86
Q

DMS­59 connector is used?

A

to allow multiple video ports from a single connection.

87
Q

tracert

A

defines destination IP address. It also displays the delay between hops.

88
Q

ping

A

Used to test the reachability to server, but will not show where communication is blocked.

89
Q

ipconfig

A

displays the hosts TCP/IP configuration.

90
Q

nslookup

A

Used to show the translation of the server name to IP address, but will not show where communication is blocked.

91
Q

r

defines destination IP address. It also displays the delay between hops.

A

tracert

92
Q

r

Used to test the reachability to server, but will not show where communication is blocked.

A

ping

93
Q

r

displays the hosts TCP/IP configuration.

A

ipconfig

94
Q

r

Used to show the translation of the server name to IP address, but will not show where communication is blocked.

A

nslookup

CompTia 901 A+ (25 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions