Comptia A+ (4)

Question 1

That servers is responsible for resolving a name such as dprocomputer

Answer 1

DNS

Question 2

What statements describe advantages of using the Dynamic Host Condig Protocol

Answer 2

IP address can be managed from a central location

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

Question 3

What storage tech is used by hand disk drives

Answer 3

Magnetic

Question 4

What type of computer is RAM most important

Answer 4

Virtualization workstation

Question 5

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

Answer 5

Pickup rollers

Question 6

What protocol uses port 389

Answer 6

LDAP

Question 7

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

Answer 7

1 meter

Question 8

The wireless networking standards operates at 5 GHz only

Answer 8

802. 11a

802. 11ac

Question 9

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

Answer 9

DDR4-2400

Question 10

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

Answer 10

Impact

Question 11

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

Answer 11

Clear the print queue

Question 12

What is a possible system of a failing CPU

Answer 12

CPU is beyond the recommended voltage range

Question 13

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

Answer 13

CAT 6

Question 14

Setting an admin password in the BIOS accomplishes what

Answer 14

Prevents a user from rearranging the boot order

Question 15

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

Answer 15

Converts AC power to DC power

Question 16

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

Answer 16

24

Question 17

Wha is an LCD display’s contrast ratio defined as

Answer 17

The brightest and darkest outputs

Question 18

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

Answer 18

antistatic strap

Question 19

What following connectors can have audio and video pass through it

Answer 19

HDMI

Question 20

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

Answer 20

Switch

Question 21

What tech can be used to make wireless payments

Answer 21

NFC

Question 22

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

Answer 22

CPU has overheated

Question 23

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

Answer 23

DRAM

Question 24

What IP address is private

Answer 24

172.16.0.0 - 172.31.255.255

Question 25

What following is the local loop back IPv6 addresses

Answer 25

::1

Question 26

What statements concerning IPv6 addresses is correct

Answer 26

They represent addressing using 128 bits

Question 27

You are working at a DNS server and see the following. What kind of entry is this server.example.com. IN 10.0.01

Answer 27

A record

Question 28

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

Answer 28

Impact

Question 29

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

Answer 29

Driver installation

Question 30

What traits and port numbers are associated with POP3

Answer 30

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

Question 31

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

Answer 31

CAT 5e crossover cable

Question 32

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

Answer 32

PXE

Question 33

What devices is least likely to be replaced on a laptop

Answer 33

CPU

Question 34

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

Answer 34

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

Question 35

What can send data the farthest

Answer 35

Single mode fiber

Question 36

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

Answer 36

USB card

Question 37

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

Answer 37

7200 RPM

Question 38

What best describes the difference between a switch and a router

Answer 38

A switch interconnects devices on the same network so they can communicate A router interconnects one or more networks

Question 39

What interconnects devices on the same network so they can communicate

Answer 39

A switch

Question 40

What interconnects one or more networks

Answer 40

A router

Question 41

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?

Answer 41

LTO

Question 42

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.)

Answer 42

LAN MAN

Question 43

What is a popular maker of virtualization software

Answer 43

VMware

Question 44

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

Answer 44

SD

Question 45

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?

Answer 45

ECC

Question 46

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?

Answer 46

Replace the toner cartridge

Question 47

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

Answer 47

PSU tester

Question 48

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?

Answer 48

Multi core

Question 49

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?

Answer 49

Multimeter

Question 50

What does a laptop have that a tablet does not have

Answer 50

Touchpad