CompTIA A+ Essentials Practice Test (100 Questions)

100 Questions

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A Plus Essential Quizzes & Trivia

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. 
    • A. 

      BCM User

    • B. 

      Network Configuration Operator

    • C. 

      Power User

    • D. 

      Administrator

  • 2. 
    • A. 

      Replace the Fan

    • B. 

      Oil the Fan

    • C. 

      Replace the Entire Power Supply

    • D. 

      Open Up the Power Supply

  • 3. 
    • 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. 
    • 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. 
    • A. 

      RAID Card

    • B. 

      NIC Card

    • C. 

      Sound Card

    • D. 

      Video Card

  • 7. 
    • 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. 
    • 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. 
    • A. 

      Your RAM is bad

    • B. 

      Your motherboard needs replacing

    • C. 

      Your hard drive needs reformatting

    • D. 

      Your CMOS battery is low

  • 14. 
    • 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. 
    • 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. 
    • A. 

      II PCMCIA

    • B. 

      I PCMCIA

  • 25. 
    • A. 

      Shutdown

    • B. 

      Hibernate

    • C. 

      Standby

    • D. 

      Restart

  • 26. 
    Which is the correct display resolution for the WUXGA standard?
    • A. 

      1280 x 1024

    • B. 

      1024 x 768

    • C. 

      1600 x 1200

    • D. 

      1920 x 1200

  • 27. 
    Which of the following devices would be used in a PCMCIA slot?
    • A. 

      Modem

    • B. 

      Sound Card

    • C. 

      Hard Drive

    • D. 

      All of the Above

  • 28. 
    What does the acronym TFT stand for?
    • A. 

      Transcribing Foreign Text

    • B. 

      Thin Film Transistor

    • C. 

      True Focal Tone

    • D. 

      Trans-axial Filament Technology

  • 29. 
    Which of the following of these expansion interfaces can be used in order for you to plug a wireless adapter in for providing wireless network access to a laptop computer?
    • A. 

      Serial

    • B. 

      PCMCIA

    • C. 

      PCI

    • D. 

      LAN

  • 30. 
    • A. 

      The laptop will boot up in safe mode.

    • B. 

      The laptop will start but the battery will not be charged.

    • C. 

      Components of the laptop will be damaged.

    • D. 

      The laptop's processor will overclock.

  • 31. 
    Which of the following components are major components for LCD?
    • A. 

      Video Card

    • B. 

      Screen

    • C. 

      Brightness

    • D. 

      Inverter

  • 32. 
    While booting up, a laptop computer shows an error message with a code of 201. What is the most likely cause for this error?
    • A. 

      The CPU is bad

    • B. 

      The CMOS battery is bad

    • C. 

      The Hard disk is Bad

    • D. 

      The Memory test failed

  • 33. 
    • A. 

      Type 'version/info' under Start > Run

    • B. 

      Type 'version info/detail' under Start > Run

    • C. 

      Right Click 'Manage' under My Computer

    • D. 

      Right click 'Properties' under My Computer.

  • 34. 
    A hard disk drive's multiple disks are known as:
    • A. 

      Sectors

    • B. 

      Spindles

    • C. 

      Platters

    • D. 

      Cartridges

  • 35. 
    • A. 

      The Keyboard, the SVGA Driver, The Mouse

    • B. 

      The Keyboard, the VGA Driver, the Sound Card

    • C. 

      The Keyboard, the Mouse, the VGA Driver

    • D. 

      Everything BUT the Video Drivers

  • 36. 
    • A. 

      TREE

    • B. 

      CHKDSK

    • C. 

      RMDIR

    • D. 

      CD

  • 37. 
    Let us say that you have a computer which is running Windows XP with three primary partitions, and a single extended partition. When creating an additional partition, which of the following types of partitions may be added using Disk Management Tools?
    • A. 

      Primary

    • B. 

      Enhanced

    • C. 

      Extended

    • D. 

      Logical

  • 38. 
    When trying to write a new boot sector to your system partition while using Windows XP Recovery Console, which of the following commands would be used?
    • A. 

      FIXMRB

    • B. 

      BOOTCFG

    • C. 

      FORMAT

    • D. 

      FIXBOOT

  • 39. 
    Which of the following utilities is used when partitioning a disk in Windows XP?
    • A. 

      System Configuration Utility

    • B. 

      Device Manager

    • C. 

      Disk Management

    • D. 

      Registry Editor

  • 40. 
    Which are the minimum files required when putting together a boot disk?
    • A. 

      IOS.SYS, MSDOS.SYS. COMMAND.COM

    • B. 

      IOS.SYS, MSDOS.SYS, COMMAND.COM, FDISK

    • C. 

      IOS.SYS, MSDOS.SYS, COMMAND.COM, CONFIG.SYS

    • D. 

      IOS.SYS, MSDOS.SYS, COMMAND.COM, SHARE.EXE

  • 41. 
    Which of the following protocols is used for file downloading on the internet?
    • A. 

      DNS

    • B. 

      X400

    • C. 

      HTTP

    • D. 

      FTP

  • 42. 
    • A. 

      F3

    • B. 

      F4

    • C. 

      F5

    • D. 

      F8

  • 43. 
    Which of the following files, if missing, would not allow you to boot into DOS?
    • A. 

      Autoexec.bat

    • B. 

      Config.sys

    • C. 

      Command.com

    • D. 

      Command.exe

  • 44. 
    Which of the following arrows is pointing at the CMOS battery?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 45. 
    Where does your computer get its first set of instructions while first booting up?
    • A. 

      RAM BIOS

    • B. 

      RAM

    • C. 

      Microprocessor

    • D. 

      BIOS

  • 46. 
    If you are rebooting a computer which was recently upgraded, and each time you reboot you hear a single short beep, what is the computer trying to tell you?
    • A. 

      BAD CPU

    • B. 

      Bad Hard Drive

    • C. 

      Bad RAM

    • D. 

      Nothing is Wrong

  • 47. 
    The first physical sector for any bootable hard disk contains which of the following things?
    • A. 

      The File Structure

    • B. 

      The Data Structure

    • C. 

      The MBR

    • D. 

      The LBR

  • 48. 
    Which is the fastest of the following types of DRAM?
    • A. 

      Conventional DRAM

    • B. 

      EDO DRAM

    • C. 

      BEDO DRAM

    • D. 

      FPM DRAM

  • 49. 
    Two back up files are created in the Registry when Windows 95/98 is successfully booted. What are those two back up Registry files?
    • A. 

      REG0.DAT and REG1.DAT

    • B. 

      USER.DAT and SYSTEM.DAT

    • C. 

      USER.DA0 and SYSTEM.DA0

    • D. 

      REG_BACK.DAT and REG_SYS.DAT

  • 50. 
    • A. 

      NTFS

    • B. 

      VFAT

    • C. 

      FAT16

    • D. 

      FAT32

  • 51. 
    Which processor was the first to combine the L2 system cache within the processor CPU package?
    • A. 

      Pentium

    • B. 

      Pentium III

    • C. 

      Pentium Pro

    • D. 

      80486

  • 52. 
    What are the names of the two files which the Windows 95 Registry is composed of?
    • A. 

      SYSTEM.COM and USER.DAT

    • B. 

      USER.DAT and SYSTEM.DAT

    • C. 

      IOSYS.COM and USER.DA0

    • D. 

      USER.DA0 and SYSTEM.COM

  • 53. 
    • A. 

      F5

    • B. 

      F8

  • 54. 
    Which part of a laser printer absolutely cannot stand to be exposed to light for any period of time?
    • A. 

      Drum

    • B. 

      Fuser assembly

    • C. 

      Light scanner

    • D. 

      Cleaner blade

  • 55. 
    "What is happening during the transfer phase for a laser printer? "
    • A. 

      The Charge is transfered to the drum

    • B. 

      The charge is transfered from the paper

    • C. 

      The image is written to the drum

    • D. 

      The image is transfered to the paper

  • 56. 
    • A. 

      The Nozzle Zone

    • B. 

      The Safe Zone

    • C. 

      The Tune Area

    • D. 

      The Maintenance Area

  • 57. 
    If an older printer is currently connected using a parallel port, which of the following connectors is most likely to be used on the computer’s parallel port?
    • A. 

      DB-25 pin connector

    • B. 

      DB-9 pin connector

    • C. 

      DB-37 connector

    • D. 

      DB-50 connector

  • 58. 
    During the Printer's fusing process, the toner is:
    • A. 

      Glued onto the paper

    • B. 

      Dry pressed into the paper

    • C. 

      Bonded electrically to the paper

    • D. 

      Melted into the paper

  • 59. 
    How do you go about connecting to a shared printer?
    • A. 

      Select 'Add new Hardware' and 'Network Printer' from the Control Panel

    • B. 

      Choose 'Connect to Network Printer' from the Control Panel

    • C. 

      Choose 'Connect to Network Printer' from Explorer

    • D. 

      Choose 'Add Printer' and 'Network Printer' from the Printer Folder

  • 60. 
    If your laser printer is on, and you hear the fan operating but the printer will not print, what is the first thing that you should check out?
    • A. 

      Make sure that the printer is online.

    • B. 

      Make sure that the printer is not jammed.

    • C. 

      Make sure that the correct drivers are installed.

    • D. 

      Make sure that all cables are securely connected.

  • 61. 
    The fusing unit for a laser printer uses which of the following processes in order to bond the image to paper?
    • A. 

      Heat and Pressure

    • B. 

      Heat and Positive Charge

    • C. 

      Heat and Negative Charge

    • D. 

      Pressure and Glue

  • 62. 
    If your laser printer's static elimminator strip is either absent or broken, what will happen?
    • A. 

      The printer will probably function normally.

    • B. 

      The Printer will refuse to print at all.

    • C. 

      The paper may jam, because the paper can curl around the photosensitive drum.

    • D. 

      The printer may run out of toner more quickly.

  • 63. 
    The IP address 200.168.212.226 is an example of which IP class?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 64. 
    Which is the best network cable for high speeds and long distances?
    • A. 

      Shielded Twisted Pair Cable

    • B. 

      Fiber Optic Cable

    • C. 

      Unshielded Twisted Pair Cable

    • D. 

      None of the Above

  • 65. 
    • A. 

      Thicknet

    • B. 

      Thinnet

    • C. 

      Fiber Optic

    • D. 

      Any of the Above

  • 66. 
    • A. 

      Hard Drive

    • B. 

      In built system drive

  • 67. 
    Which of the following protocols is NOT used on the internet?
    • A. 

      IPX

    • B. 

      DNS

    • C. 

      POP3

    • D. 

      TCP

  • 68. 
    Which modem command is responsible for answering?
    • A. 

      ATH

    • B. 

      ATA

    • C. 

      ATD

    • D. 

      ATM

  • 69. 
    The standard connector that is used for UTP Ethernet connections is which of the following connectors?
    • A. 

      DB-9

    • B. 

      RJ-45

    • C. 

      BNC

    • D. 

      RJ-11

  • 70. 
    What term is used when two modems are establishing communication between one another?
    • A. 

      Interconnecting

    • B. 

      Pinging

    • C. 

      Connecting

    • D. 

      Handshaking

  • 71. 
    Which of these is used in order to boost a digital signal?
    • A. 

      Booster

    • B. 

      Repeater

    • C. 

      Amplifier

    • D. 

      Multiplexer

  • 72. 
    Which of the following is used in order to boost an analog signal?
    • A. 

      Amplifier

    • B. 

      Multiplexer

    • C. 

      Booster

    • D. 

      Demodulator

  • 73. 
    A sending modem is responsible for converting data from what to what?
    • A. 

      Analog to Digital

    • B. 

      Analog to Parallel

    • C. 

      Digital to Analog

    • D. 

      Serial to Parallel

  • 74. 
    Which is not an example of a type of network?
    • A. 

      LAN

    • B. 

      WAN

    • C. 

      MAN

    • D. 

      NAN

  • 75. 
    WEP is used both as the data link, and as what layers of the OSI model?
    • A. 

      Application Layers

    • B. 

      Presentation Layers

    • C. 

      Network Layers

    • D. 

      Physical Layers

  • 76. 
    Which of the following things is not a type of malware, or malicious software?
    • A. 

      Trojan Horse

    • B. 

      Worm

    • C. 

      Virus

    • D. 

      Hotfix

  • 77. 
    Proxy servers act as an intermediary between what and what?
    • A. 

      Print Servers and Computers

    • B. 

      Local Area Network Clients and The Internet

    • C. 

      The Internet and Different Domains

    • D. 

      Local Area Network Clients and Print Servers

  • 78. 
    NTFS or NT File System access permissions are assigned at which level?
    • A. 

      File level

    • B. 

      Folder level

  • 79. 
    Because WEP can have such a great risk to security, which of the following should you implement so that the WEP key is changed after every 10,000 packets?
    • A. 

      TKIP

    • B. 

      Temporary Key Integrity Protocol

  • 80. 
    • A. 

      Verifies Data Integrity

    • B. 

      Encrypts Content

    • C. 

      Makes Communication Faster

    • D. 

      Provides Authentication

  • 81. 
    Which of the following viruses is capable of avoiding detection because it can change its own code?
    • A. 

      Stealth

    • B. 

      Trojan Horse

    • C. 

      Polymorphic Virus

    • D. 

      Retrovirus

  • 82. 
    If you use a dial up connection in order to connect to the internet, which of these services should be disabled because of security reasons?
    • A. 

      Your workstation service.

    • B. 

      Your automatic updates.

    • C. 

      Your telnet service.

    • D. 

      File and printer sharing.

  • 83. 
    • A. 

      Hashing

    • B. 

      Encryption

    • C. 

      Cryptography

    • D. 

      Digital Signing

  • 84. 
    Which UTP category supports data rates up to 15 Mbps, and is extensively used in Token Ring networking?
    • A. 

      CAT 1

    • B. 

      CAT 2

    • C. 

      CAT 3

    • D. 

      CAT 4

  • 85. 
    • A. 

      Honey pots

    • B. 

      Google pots

  • 86. 
    What does the acronym MSDS stand for?
    • A. 

      Material Safety Design Sheets

    • B. 

      Material Security Design Sheets

    • C. 

      Material Safety Data Sheets

    • D. 

      Material Sensitivity Data Sheets

  • 87. 
    What type of information will you find listed FIRST on a Material Safety Data Sheet?
    • A. 

      Toxicological Information

    • B. 

      Substance Identity and Contact Information

    • C. 

      Transport Information

    • D. 

      Requirements for Handling and Storage

  • 88. 
    • A. 

      Ground all conductors, including personnel

    • B. 

      Insulators are high charging and cannot be grounded. Remove all non-essential insulators. Keep all process essential insulators at least 12" from ESDS or neutralize charges with ionizers

    • C. 

      Outside an EPA, ESDS are to be packaged in closed ESD shielding bags or covered containers having shielding properties

    • D. 

      None of these

  • 89. 
    Which of the following components should be recycled rather than simply thrown away, due to highly toxic components?
    • A. 

      Laptop batteries

    • B. 

      Toner cartridges

    • C. 

      Ink jet cartridges

    • D. 

      Computer monitors

    • E. 

      All of these.

  • 90. 
    What is the first and most important step in the process of avoiding accidents by identifying potential hazards?
    • A. 

      Read all available MSDS information.

    • B. 

      Read warning labels on software boxes.

    • C. 

      Wear protective googles when servicing computers.

    • D. 

      Avoid handling inkjet cartridges with bare hands.

  • 91. 
    If your work place is about to undergo an inspection by OSHA, which of these documents should be reviewed in preparation for the inspection?
    • A. 

      MSDS sheets

    • B. 

      Procedures for incident Reporting

    • C. 

      Grievance Procedures for Employees

    • D. 

      Equal Opportunity Employment Guidelines

  • 92. 
    Which information will you generally NOT find on a MSDS sheet?
    • A. 

      Toxicity Information

    • B. 

      Health Effects

    • C. 

      Disposal Information

    • D. 

      Spill/Leak Procedures

    • E. 

      None of these.

  • 93. 
    What effect does ESD or Electrostatic Discharge have on electronic components?
    • A. 

      It can cause them to shock you.

    • B. 

      It can cause them to fail.

    • C. 

      It can cause them to run faster.

    • D. 

      None of these.

  • 94. 
    • A. 

      Inform them that the tech who is performing the work is out of the office.

    • B. 

      Ask the customer if they will hold while you check for the status of the repair ticket.

    • C. 

      "Offer to e-mail the repair status to the customer. "

    • D. 

      Offer to have the technician phone them back when they return.

  • 95. 
    While dealing with a customer and acting as a service technician, what should you avoid?
    • A. 

      Using a pen to write down customer feedback

    • B. 

      Using simple words which can be understood

    • C. 

      Using jargon

    • D. 

      Using a paper to write down customer feedback

  • 96. 
    When talking to a customer while acting as a service technician, what should you avoid?
    • A. 

      Listening to the customers.

    • B. 

      Giving respect to the customers.

    • C. 

      Interruptions of all kinds.

    • D. 

      Being polite.

  • 97. 
    If a user reports that their computer continues to freeze, what piece of information should the technician first obtain from the user?
    • A. 

      The model number for the computer in question.

    • B. 

      The Windows Error Reporting Log.

    • C. 

      What type of machine is being used.

    • D. 

      What the user was doing when the problem presented itself.

  • 98. 
    If a technician is working to diagnose a customer's computer issue, and they observe that the computer is behaving in a sluggish and unresponsive way, which of the following actions should be taken by the technician?
    • A. 

      Explain that the computer is outdated and needs to be taken in to the shop in order to be repaired.

    • B. 

      Explain the problem to the customer and show them how to defragment the computer.

    • C. 

      Explain the problem to the customer in the most basic terms, and recommend a solution.

    • D. 

      Perform a system restore on the computer.

  • 99. 
    • A. 

      Ask a series of questions to the user which will narrow down the scope of the problem.

    • B. 

      Inform the user that the problem will be solved quickly.

    • C. 

      Inform the user that the problem is probably related to their training.

    • D. 

      Ask the user which websites have recently been visited.

  • 100. 
    • A. 

      Do you have a sample of the characters?

    • B. 

      What applications are in use?

    • C. 

      Where is your printer located?

    • D. 

      How often and when is the problem occurring?

    • E. 

      All of the above.