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Computer Certifications > Comptia A+ (4) > Flashcards

Comptia A+ (4) Flashcards

1
Q

That servers is responsible for resolving a name such as dprocomputer

A

DNS

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2
Q

What statements describe advantages of using the Dynamic Host Condig Protocol

A

IP address can be managed from a central location

Computers can automatically get new addressing when moved to a different network segment

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3
Q

What storage tech is used by hand disk drives

A

Magnetic

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4
Q

What type of computer is RAM most important

A

Virtualization workstation

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5
Q

A client brings in a printer that is giving a paper feed error. What’s the cause

A

Pickup rollers

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6
Q

What protocol uses port 389

A

LDAP

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7
Q

The max distance at which a class 2 Bluetooth device can receive signals from a Bluetooth access point

A

1 meter

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8
Q

The wireless networking standards operates at 5 GHz only

A
  1. 11a

802. 11ac

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9
Q

What types of RAM has a peak transfer rate of 21,333 MB/s

A

DDR4-2400

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10
Q

What types of printers uses a print head, ribbon, and tractor feed

A

Impact

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11
Q

Several users on your network are reporting that a network printer which controller by a print serve, is not printing. What is the first action you should take to fix the problem

A

Clear the print queue

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12
Q

What is a possible system of a failing CPU

A

CPU is beyond the recommended voltage range

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13
Q

What cable types is not affected by EMI but requires specialized tools to install

A

CAT 6

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14
Q

Setting an admin password in the BIOS accomplishes what

A

Prevents a user from rearranging the boot order

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15
Q

What function is performed by the external power supply of a laptop

A

Converts AC power to DC power

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16
Q

How many pins would you see in a high quality printhead on a dot matrix printer

A

24

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17
Q

Wha is an LCD display’s contrast ratio defined as

A

The brightest and darkest outputs

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18
Q

What tool can protect you in case of a surge antistatic strap

A

antistatic strap

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19
Q

What following connectors can have audio and video pass through it

A

HDMI

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20
Q

The following devices limits network broadcasts, segments IP address ranges and interconnects different physical media

A

Switch

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21
Q

What tech can be used to make wireless payments

A

NFC

22
Q

You just upgraded the CPU, what following issues can make tour computer shut down automatically after a few mins

A

CPU has overheated

23
Q

You want to upgrade memory in your computer. What following is user replaceable memory in a PC

A

DRAM

24
Q

What IP address is private

A

172.16.0.0 - 172.31.255.255

25
Q

What following is the local loop back IPv6 addresses

A

::1

26
Q

What statements concerning IPv6 addresses is correct

A

They represent addressing using 128 bits

27
Q

You are working at a DNS server and see the following. What kind of entry is this

server.example.com. IN 10.0.01

A

A record

28
Q

What printer tech should be used to print payroll checks on paper forms that have a carbon backing

A

Impact

29
Q

Which is not a config that can be made in BIOS/UEFI

A

Driver installation

30
Q

What traits and port numbers are associated with POP3

A

Receives inbound email on port 110
Receives inbound email on port 995

31
Q

What type of cable should be used to connect a laptop directly to A PC

A

CAT 5e crossover cable

32
Q

To perform a network installation Of Windows, which Of the following must be supported by the computer’s network interface

A

PXE

33
Q

What devices is least likely to be replaced on a laptop

A

CPU

34
Q

If your bandwidth is 1000 Mbps how may bits are sending/receiving

A

1,000,000,000 bits per second
1 gigabit per second

35
Q

What can send data the farthest

A

Single mode fiber

36
Q

You need to expand the peripherals of a computer, but the system doesn’t have enough ports. Which type of card should be installed?

A

USB card

37
Q

What following is the typical speed on a SATA hard disk drive

A

7200 RPM

38
Q

What best describes the difference between a switch and a router

A

A switch interconnects devices on the same network so they can communicate

A router interconnects one or more networks

39
Q

What interconnects devices on the same network so they can communicate

A

A switch

40
Q

What interconnects one or more networks

A

A router

41
Q

A group of users in ABC corp. needs to back up a terabyte of data daily. The data must be stored on durable backup media. Which of the following is the best media for this scenario?

A

LTO

42
Q

The organization you work for has three locations within a city that need to be networked together. The network requirement for all three locations is a minimum data throughput of 1 Gbps. Which of the following network types are most likely to be used for internal office and office-to-office communications? (Select the two best answers.)

A

LAN
MAN

43
Q

What is a popular maker of virtualization software

A

VMware

44
Q

You need to replace and upgrade the memory card in a smartphone. What type does it use

A

SD

45
Q

You want to use four 16 GB memory modules in your new desktop
computer, and you want the RAM to work simultaneously. What kind of technology does your motherboard need to have?

A

ECC

46
Q

You are repairing a laser printer because narrow, faded lines run the length of the printed pages. The faded lines are always in the same place. What should you do to fix the problem?

A

Replace the toner cartridge

47
Q

Which of the following tools should be used to test a 24 pin ATX 12 v power connector

A

PSU tester

48
Q

One of the technicians at your organization is researching various hardware for a new virtualization host. The host’s main purpose is to run multiple Linux server virtual machines simultaneously, with good performance for each VM. Which of the following will best ensure good performance?

A

Multi core

49
Q

During a mandatory server room inspection, it was found that a couple of server racks were not properly grounded. To pass the inspection and to protect equipment, you must make sure all racks are properly grounded. Which of the following tools should you use in this scenario?

A

Multimeter

50
Q

What does a laptop have that a tablet does not have

A

Touchpad

Computer Certifications (8 decks)

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