CompTIA A+ Essentials Practice Test (100 Questions)

100 Questions | By Proprofs | Last updated: Nov 26, 2018 | Total Attempts: 37125

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CompTIA A+ is an extremely important qualifying credential for roles in technical support and Information Technology operation. Some look at it as the first step in a successful career in computing. Do you have what it takes to acquire this credential? Take this quiz to find out!

Questions and Answers

1.

On a computer that is running Windows XP, which is the local user which has the MOST authority?
- A.
  
  BCM User
- B.
  
  Network Configuration Operator
- C.
  
  Power User
- D.
  
  Administrator
2.

If your power supply’s fan no longer works, what is the best course of action?

Discuss
- A.
  
  Replace the Fan
- B.
  
  Oil the Fan
- C.
  
  Replace the Entire Power Supply
- D.
  
  Open Up the Power Supply
3.

Which of the following is the best way to change which drive the computer first seeks when booting, so that the computer does not seek the A: drive as the first to boot from?
- A.
  
  Disconnect the floppy drive’s cable
- B.
  
  Change to SDRAM from RAM
- C.
  
  Change the Boot Order in CMOS
- D.
  
  Pull the Battery
4.

How many pins does a SCSI-2 cable have?
- A.
  
  24
- B.
  
  40
- C.
  
  50
- D.
  
  72
5.

If when trying to burn to a CD-ROM, a user continues to get buffer underrun errors, which of the following suggestions may be helpful?

Discuss
- A.
  
  Try burning at a slower speed.
- B.
  
  Replace a broken CD burner.
- C.
  
  Shut down all open applications.
- D.
  
  Make sure that there are no scratches or dirt on the CD-ROM surface.
6.

Which type of computer component is supposed to be inserted into an AGP slot?

Discuss
- A.
  
  RAID Card
- B.
  
  NIC Card
- C.
  
  Sound Card
- D.
  
  Video Card
7.

Regarding USB devices, which of the following statements is true?

Discuss
- A.
  
  Adding a USB device requires you to turn your computer off.
- B.
  
  Your computer does not need to be restarted in order to add a USB device.
- C.
  
  USB is a disappearing technology.
- D.
  
  USB devices can only be connected in large networks.
8.

Which of the following arrows is pointing at a PCI slot?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
9.

What term is used for running your processor at a speed that is higher than the rated clock speed for that processor?

Discuss
- A.
  
  Hyperdrive
- B.
  
  Turbo
- C.
  
  Overdrive
- D.
  
  Overclocking
10.

Which type of connector is being shown in the image?
- A.
  
  SATA
- B.
  
  P1
- C.
  
  Molex
- D.
  
  Berg
11.

The track location which cuts across all platters within a hard drive is known as a:
- A.
  
  Cylinder
- B.
  
  Sector
- C.
  
  Track
- D.
  
  Head
12.

If you have a system with 2 IDE controllers, how many hard drives can you have?
- A.
  
  4
- B.
  
  2
13.

If you receive a parity error every time that you turn your computer on, what is the most likely cause?

Discuss
- A.
  
  Your RAM is bad
- B.
  
  Your motherboard needs replacing
- C.
  
  Your hard drive needs reformatting
- D.
  
  Your CMOS battery is low
14.

Where do you connect the red edge of a 40-pin ribbon cable to an IDE hard drive?
- A.
  
  IDE hard drive
- B.
  
  RAM
15.

Which of the following problems may occur if your CPU's fan fails?
- A.
  
  Overheat
- B.
  
  Destroy
16.

What two types of partitions can be found on basic disks?
- A.
  
  Primary and Extended
- B.
  
  Primary and Expanded
- C.
  
  First and Second
- D.
  
  Primary and Secondary
17.

If you install an ATA/66 hard drive on a computer that is ATA/100 capable, what will happen?
- A.
  
  The computer will crash!
- B.
  
  The hard drive will function at the ATA/100 speed
- C.
  
  The hard drive will function at the ATA/66 speed
- D.
  
  The hard drive will not be recognized by the computer system.
18.

Which of the following will allow you to access your CompactFlash card directly from your PC?
- A.
  
  USB Port
- B.
  
  Thumb Drive
- C.
  
  Scanner
- D.
  
  Card Reader
19.

When a computer with an Award BIOS is booting, it outputs a single long beep. Of the causes listed, which is the most likely to have resulted in this response?
- A.
  
  Processor
- B.
  
  Video Adapter
- C.
  
  CMOS battery
- D.
  
  Memory
20.

What do you have when two processors are combined into a single CPU together?
- A.
  
  A Dual Core Processor
- B.
  
  A 2-processor supporting motherboard
- C.
  
  A processor which can use 2 L2 caches
- D.
  
  A processor which can use 2 L1 caches
21.

When cooling a CPU, which is the most effective method?
- A.
  
  Liquid Cooling System
- B.
  
  CPU Fan
- C.
  
  Case Fan
- D.
  
  Leaving the Case Open
22.

What does PCMCIA stand for?
- A.
  
  Personal Card Memory Computing Internet Association
- B.
  
  Personal Computer Memory Card International Association
- C.
  
  Private Computing Memory Card International America
- D.
  
  People Can't Memorize Computer Industry Acronyms
23.

Which of the following is the range for blue tooth headsets?
- A.
  
  20 meters
- B.
  
  50 meters
- C.
  
  100 meters
- D.
  
  10 meters
24.

Which of the following types of PCMCIA cards is used when working with expansion devices like network interface cards?
- A.
  
  II PCMCIA
- B.
  
  I PCMCIA
25.

Which of these modes requires the least amount of time to boot up in order to retrieve a previous computing session?
- A.
  
  Shutdown
- B.
  
  Hibernate
- C.
  
  Standby
- D.
  
  Restart