IT CertificationsAnswer Key

Pass Comptia A+ In A Week

35 community-sourced questions and answers. Free — no login.

Community-sourced. Answers may be wrong or out of date. Always verify with your official training portal before submitting. Not affiliated with any branch, agency, or vendor. Details.
QUESTION 1

If the web services on the server are down where in the path between the sender and recipient will the communication fail? OS level on sender unable to pass traffic Hardware level on sender unable to pass traffic Hardware level on recipient unable to pass traffic OS level on recipient unable to pass traffic

ANSWER

OS level on recipient unable to pass traffic

QUESTION 2

How many pins does an internal SATA power connector have? 4 10 7 15

ANSWER

15

QUESTION 3

The wireless network card in your laptop is failing. What should you do? Get a USB replacement. Get prices on new laptop. Replace the card. See if there is an upgrade available, then replace or upgrade card.

ANSWER

See if there is an upgrade available, then replace or upgrade card.

QUESTION 4

What is the best method of eliminating the printer itself when resolving print problems? Reset the memory in the printer. Print a self-test page using printer controls. Send a test page. Unplug the printer, wait and send test page again.

ANSWER

Print a self-test page using printer controls.

QUESTION 5

The Specifications for your new power supply show two values for + 12V. One is 150W and the second is 550W. What type of power supply is this? Combination S.M.A.R.T. Dual voltage Dual rail

ANSWER

Combination

QUESTION 6

You encounter a system that does nothing when power button is pressed. What do you check first? Video cable Power to the monitor Keyboard lock Power to the unit

ANSWER

Power to the unit

QUESTION 7

When removing laptop memory you should do which of the following? Move silver retainers outward in unison chip will flip up. Push down hard on chip and release quickly it will pop up. Get your fingertips behind it and pull. Pry out gently with a screwdriver.

ANSWER

Move silver retainers outward in unison chip will flip up.

QUESTION 8

Power supplies are identified by their wattage and their ____________. Capacity Form factor Voltage Amperage

ANSWER

Form factor

QUESTION 9

This advanced gyroscope allows your device to know where it is in space as well as its relative positioning, giving it the ability to provide feedback to mapping programs or even games. Geometer GPS Accelerometer Any of these refer to the same object

ANSWER

Accelerometer

QUESTION 10

After a Windows update your network card has stopped working. What should you do? See if anyone else is having the same problem. Try a USB network adapter. Get a new network card. Check Device Manager.

ANSWER

Check Device Manager.

QUESTION 11

You have been asked to build a graphics workstation. What type of motherboard memory support will you require? Dual channel Any of these Quad channel Triple channel

ANSWER

Quad channel

QUESTION 12

When checking the SATA power connector which voltage should NOT be present? +12V +5V +3.3V -3.3V

ANSWER

-3.3V

QUESTION 13

Which of the following constitutes a domain name? Mydomain.com My laptop None of these are correct www.mydomain

ANSWER

Mydomain.com

QUESTION 14

If one could equate repeatedly sending IPv4 traffic to 127.0.0.1 (the loopback address) as walking around talking to yourself, what would be the corresponding IPv6 address? 0.0.0.0.0.0.0:1 1::1 ::1 ..1

ANSWER

1::1

QUESTION 15

If your Ethernet cabling reaches an area that is without power what is your best option? Any of these would work. Use a PoE injector. Run a power line. Hook up a solar panel

ANSWER

Use a PoE injector.

QUESTION 16

Every network adapter, wired or wireless, gets this 6-byte address hard coded on it at the manufacturer. LAN MAC IP NIC

ANSWER

MAC

QUESTION 17

After printing more than 50 to 75 pages a dot matrix print head will be _______. empty damp hot clogged

ANSWER

hot

QUESTION 18

Windows refers to RAID 0 as this. Spanned volume Striped volume Raid-5 volumes Mirrored volume

ANSWER

Striped volume

QUESTION 19

To release specifically the IPv6 addresses from your machine what would you type? ipconfig /renew ipconfig /renew6 ipconfig /release6 ipconfig /release ipconfig /all

ANSWER

ipconfig /release6

QUESTION 20

This network type covers very large areas. Cellular networks and the Internet are good examples. LAN WAN PAN None of these choices apply

ANSWER

WAN

QUESTION 21

Tin addition to the power supply fan it is not unusual to find fans on the devices shown EXCEPT the _____________. Case Processor Hard drive Video card

ANSWER

Hard drive

QUESTION 22

Your computer has sent traffic to 129.128.227 232:80. What type of server is this traffic destined for? Chat room E-Commerce site Web server Email server

ANSWER

Web server

QUESTION 23

Of the choices provided which has the highest maximum speed? 1394a NFC USB 3.0 eSATA Version 3

ANSWER

eSATA Version 3

QUESTION 24

The TCP/IP communication layers are also referred to as levels. Either term is acceptable. What is Level 1 in the TCP/IP model? Application Hardware OS Depends on whether you are sending or receiving

ANSWER

Hardware

QUESTION 25

What device would you use to check voltages inside a computer case? Loopback plug Toner and probe Cable tester Multimeter

ANSWER

Multimeter

QUESTION 26

To release all of the IP configurations from your machine what would you type? ipconfig /renew6 ipconfig /release ipconfig /renew ipconfig /release6 ipconfig /all

ANSWER

ipconfig /release

QUESTION 27

Which of the motherboard connection choices provided would prevent the PC from booting if not connected? HDD LED POWER SW RESET SW POWER LED

ANSWER

POWER SW

QUESTION 28

Your machine beeps once during boot. What does this indicate? Check processor fan Memory error Check video subsystem All is well

ANSWER

All is well

QUESTION 29

This device manages traffic between multiple networks finding the best path for the traffic. Router Hub Wins Server Gateway

ANSWER

Router

QUESTION 30

In order to determine the condition of a network port which of the devices listed would be the best choice? Post Card Power supply tester Loopback plug Multimeter

ANSWER

Loopback plug

QUESTION 31

If the mother board runs at 400 MHz, then the DDR runs at: 200 MHz 800 MHz 400 MHz 1200 MHz

ANSWER

800 MHz

QUESTION 32

Your system crashes displaying a blue screen and a long error number. What is the common term for this condition? Halt Stop screen Lockup BSOD

ANSWER

BSOD

QUESTION 33

IPv6 addresses are __ bits in length. 192 128 96 32

ANSWER

128

QUESTION 34

Which of the AMD socket types listed has 941 holes for pins (PGA)? FM2 AM3+ AM3 Socket 940

ANSWER

AM3

QUESTION 35

If the density of a non-ECC memory module is 16 by 64, what would it be for an ECC memory module? 16 by 64 16 by 72 16 by 32 16 by 128

ANSWER

16 by 72

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