CompTIA A+ Practice Test Set 1 Of 7

50 Questions
CompTIA Quizzes & Trivia

Comptia A+ practice test

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Questions and Answers
  • 1. 
    A user states that their laptop is suddenly not receiving any wireless signals, yet other users are. Which of the following is the MOST likely cause?
    • A. 

      The wireless communication switch has been turned off.

    • B. 

      The laptop has entered sleep mode.

    • C. 

      The drivers for the wireless card have become corrupted.

    • D. 

      The wireless antenna has become disconnected.

  • 2. 
    Which of the following connectors has only two pairs of wires?
    • A. 

      RJ-45

    • B. 

      BNC

    • C. 

      RJ-11

    • D. 

      LC

  • 3. 
    Which of the following is the definition of plenum-rated cable?
    • A. 

      Cabling that has a special coating to protect from electronic eavesdropping.

    • B. 

      Cabling that has extra shielding to reduce EMI.

    • C. 

      Cabling that can be used for twice the normal maximum distance.

    • D. 

      Cabling that can be used within a dropped ceiling.

  • 4. 
    Which of the following are the output voltages of an ATX power supply? (Select TWO).
    • A. 

      5V and 12V

    • B. 

      9V and 24V

    • C. 

      12V and 24V

    • D. 

      15V and 5V

    • E. 

      9V and 5V

  • 5. 
    The FASTEST cache in a computer is:
    • A. 

      L1.

    • B. 

      L2.

    • C. 

      L3.

    • D. 

      L4.

  • 6. 
    Which of the following voltages does the ATX power supply provide? (Select TWO).
    • A. 

      3.3V and 15V

    • B. 

      5V and 15V

    • C. 

      5V and -5V

    • D. 

      15V and -15V

    • E. 

      3.3V and -5V

  • 7. 
    Which of the following is BEST practice when installing a new hardware device in a Windows OS?
    • A. 

      Uninstall all unused drivers.

    • B. 

      Use the oldest most tested release of the driver.

    • C. 

      Upgrade the BIOS after the install.

    • D. 

      Use a digitally signed driver.

  • 8. 
    EEE1394b (Fire wire) is capable of transfer rates of up to:
    • A. 

      12Mbps.

    • B. 

      400Mbps.

    • C. 

      480Mbps.

    • D. 

      800Mbps.

  • 9. 
    Which of the following is a limitation of satellite broadband?
    • A. 

      The speed is capped by ISO regulations

    • B. 

      Requires line of sight

    • C. 

      Cannot be used in remote locations

    • D. 

      It is a receive only transmission

  • 10. 
    Which of the following ports is associated with POP3?
    • A. 

      20

    • B. 

      23

    • C. 

      25

    • D. 

      110

  • 11. 
    Which of these is the BEST example of a strong password?
    • A. 

      E$a7M5l

    • B. 

      Globall

    • C. 

      123454321

    • D. 

      Library*

  • 12. 
    A user reports that their CRT monitor is discolored in one corner. When a technician receives the unit, they are unable to reproduce the error. The technician returns the PC and the problem persists. Which of the following categories would this symptom fall under?
    • A. 

      Permanent

    • B. 

      Environmental

    • C. 

      Universal

    • D. 

      Transient

  • 13. 
    802.11b has the potential to support up to:
    • A. 

      11Mbps.

    • B. 

      50Mbps.

    • C. 

      54Mbps.

    • D. 

      100Mbps.

  • 14. 
    Which of the following is used to list all of the hops from a starting point to a final destination?
    • A. 

      Tracert

    • B. 

      Ipconfig

    • C. 

      Netsh

    • D. 

      Netstat

  • 15. 
    Which of the following configurations would BEST allow sensitive data to be stored on the same hard drive as the operating system, while protecting the data from the operating system related issues?
    • A. 

      Partition the drive into two physical drives making C: the OS and D: the data.

    • B. 

      Encrypt the sensitive data so that it cannot be read without a key.

    • C. 

      Partition the drive into two logical drives, making C: the OS and D: the data.

    • D. 

      Hide the sensitive data from casual view using folder Properties - Attributes.

  • 16. 
    Which of the following ports is used for telnet, by default?
    • A. 

      Port 21

    • B. 

      Port 23

    • C. 

      Port 25

    • D. 

      Port 110

  • 17. 
    All of the following can be plugged into a UPS EXCEPT:
    • A. 

      Docking station

    • B. 

      Laser printer

    • C. 

      Laptop

    • D. 

      Router

  • 18. 
    Which of the following can be disabled to help prevent access to a wireless network?
    • A. 

      SSID broadcast

    • B. 

      MAC filtering

    • C. 

      WEP key

    • D. 

      WPA passphrase

  • 19. 
    Which of the following commands is used to troubleshoot problems with DirectX that is currently installed on the system?
    • A. 

      Msinfo32

    • B. 

      Msconfig

    • C. 

      Dxdiag

    • D. 

      Cmd

  • 20. 
    Which of the following BEST describes the purpose of placing special rubber mats on the floor and tables where technicians repair machines?
    • A. 

      EMI prevention

    • B. 

      MSDS

    • C. 

      RFI prevention

    • D. 

      ESD preventior

  • 21. 
    A technician is called to a school lab to fix a computer. The computer worked fine the day before, but now does not power on. The computer is plugged into a power strip with another computer. The other computer works fine. Which of the following could be the problem?
    • A. 

      The power strip is overloaded.

    • B. 

      The monitor is unplugged.

    • C. 

      The power cable is unplugged from the computer.

    • D. 

      The power strip is unplugged.

  • 22. 
    Which of the following maintenance utilities is used to remove no longer needed files or temporary files that were installed during a program installation?
    • A. 

      CHKDSK

    • B. 

      DEFRAG

    • C. 

      SCANDISK

    • D. 

      Disk Cleanup

  • 23. 
    A customer states their computer was fine until yesterday when they heard a pop noise and the computer stopped working. Which of the following components should the technician test FIRST?
    • A. 

      Main system board

    • B. 

      Processor

    • C. 

      Hard disk drive

    • D. 

      Power supply

  • 24. 
    Which of the following is a solution to switch between an internal and external display on a laptop?
    • A. 

      Change the setting in the BIOS.

    • B. 

      Disable the internal monitor in the device manager.

    • C. 

      Toggle using Fn keys.

    • D. 

      Hold the cutoff switch down

  • 25. 
    Which of the following connector types are typically used on LCD displays?
    • A. 

      XGA and VGA

    • B. 

      Bluetooth and XGA

    • C. 

      CGA and Bluetooth

    • D. 

      DVI and VGA

    • E. 

      CGA and DVI

  • 26. 
    A user wants their computer to automatically receive updates from Microsoft; however, they do not want the updates to interfere while they are working. Which of the following should be selected to BEST meet the user's needs?
    • A. 

      Set automatic updates to download only.

    • B. 

      Turn on Automatic Updates.

    • C. 

      Turn off the firewall.

    • D. 

      Set automatic updates to download and install.

  • 27. 
    Which of the following needs to happen after connecting a new device to a computer?
    • A. 

      Configure device settings

    • B. 

      Update the OS

    • C. 

      Rebootthe computer

    • D. 

      Install the device driver

  • 28. 
    After successfully installing a free antivirus solution, Windows reports that no antivirus software is currently protecting the system. Which of the following solutions would resolve this issue?
    • A. 

      Disable the antivirus logging in the Event Viewer.

    • B. 

      Disable antivirus protection notification within Security Center.

    • C. 

      Install the Microsoft Malicious Software removal tool.

    • D. 

      Update the Antivirus definitions

  • 29. 
    Which of the following BEST describes a network of computers inside a house that communicate with each other but not with computers outside of the house?
    • A. 

      WAN

    • B. 

      VPN

    • C. 

      LAN

    • D. 

      VLAN

  • 30. 
    Which of the following BEST describes single data rate memory?
    • A. 

      The memory will only operate at a single rate.

    • B. 

      It is rated for use on single processor computers only.

    • C. 

      It operates on a single piece of data at a time.

    • D. 

      It transfers data at the same rate as the system bus.

  • 31. 
    Which of the following computer infections allows several computers to launch attacks against a network?
    • A. 

      Spyware

    • B. 

      Botnet

    • C. 

      Spam

    • D. 

      Aclware

  • 32. 
    A technician needs to test connectivity to a particular host. Which of the following commands would MOST likely be used?
    • A. 

      Telnet

    • B. 

      Netstat

    • C. 

      Ipconfig

    • D. 

      Ping

  • 33. 
    Which of the following needs to be configured on a Windows Vista machine to allow for ports 21 and 25 to function properly?
    • A. 

      Anti-spyware protector

    • B. 

      Firewall

    • C. 

      UAC

    • D. 

      Antivirus protection

  • 34. 
    Which of the following BEST describes the North Bridge change that occurred with the introduction of AMD Athlon 64?
    • A. 

      Upstream communication to the North Bridge was enhanced.

    • B. 

      Multiple pipelines were provided doubling the bus rate.

    • C. 

      Downstream communication to the North Bridge was enhanced.

    • D. 

      The memory controller is onboard the processor chip

  • 35. 
    Which of the following uses 2.4GHz and has data transfer speeds up to 11Mbps?
    • A. 

      802.11a

    • B. 

      802.11b

    • C. 

      802.11g

    • D. 

      802.11n

  • 36. 
    A user reports that none of their documents are printing. The user sent ten different documents over a span of an hour. Which of the following should the technician check FIRST?
    • A. 

      If the printer needs a firmware upgrade to print multiple documents at once

    • B. 

      If the print spooler service needs to be configured for multi-page printing.

    • C. 

      If the printer needs a memory upgrade to print multiple documents at once

    • D. 

      If the printer needs the queue cleared

  • 37. 
    A technician arrives at a customer's location and identifies a problem. Which of the following troubleshooting steps is NEXT?
    • A. 

      Establish a theory of probable cause.

    • B. 

      Establish a plan of action to resolve the problem.

    • C. 

      Ask the customer what the issue is.

    • D. 

      Document findings, actions, and outcomes

  • 38. 
    Which of the following wireless standards offers transfer rates of over 54Mb/s?
    • A. 

      802.11b

    • B. 

      802.11n

    • C. 

      802.11a

    • D. 

      802.11g

  • 39. 
    Which of the following commands is used to obtain an IP address from the DHCP server?
    • A. 

      Ipconfig/renew

    • B. 

      Ping-t

    • C. 

      Nslookup

    • D. 

      Msconfig

  • 40. 
    Which of the following is MOST likely used for archiving large amounts of data?
    • A. 

      FDD

    • B. 

      CD-RW

    • C. 

      Thumb drive

    • D. 

      Tape

  • 41. 
    A technician has been asked to install a PATA optical drive. Which of the following below is necessary for the installation?
    • A. 

      CD extensions must be installed.

    • B. 

      Verify jumpers are set correctly.

    • C. 

      Plug and play must be used for the install.

    • D. 

      CD application software must be installed

  • 42. 
    A Windows XP system just experienced a bluescreen error and has automatically rebooted into the normal desktop. Which of the following would be the FIRST place to check for specifics regarding the error?
    • A. 

      Help and Support

    • B. 

      Event Viewer

    • C. 

      System Information

    • D. 

      Services Console

  • 43. 
    Which of the following commands will display the current IP address?
    • A. 

      Ping

    • B. 

      Tracert

    • C. 

      Nslookup

    • D. 

      Ipconfig

  • 44. 
    A user calls the helpdesk to report that their computer has crashed and that a document has been lost. The user is yelling and blaming the technician. Which of the following is the proper way for the technician to respond?
    • A. 

      Hang up the phone

    • B. 

      Ask if the user needs assistance

    • C. 

      Respond with a collective and calm voice

    • D. 

      Transfer the call to another technician

  • 45. 
    Which of the following processors uses a pin array cartridge?
    • A. 

      Athlon XP

    • B. 

      Itanium

    • C. 

      Xeon

    • D. 

      Pentium 4

  • 46. 
    A user would like to upgrade their sound card. Which of the following slots would allow the BEST performance?
    • A. 

      PCI and AGP

    • B. 

      SCSI and ISA

    • C. 

      PCIe and PCI

    • D. 

      ISA and PCI

    • E. 

      AGP and SCSI

  • 47. 
    Which of the following would indicate a lack of thermal compound in a computer system?
    • A. 

      A low RPM reading from the case fan

    • B. 

      A high temperature reading from the hard drive

    • C. 

      A rattling noise from the case fan

    • D. 

      A high temperature reading from the CPU

  • 48. 
    Which of the following would MOST likely be used to offer a high level of security on a wireless
    • A. 

      WPA

    • B. 

      SSID

    • C. 

      WEP

    • D. 

      MAC filtering

  • 49. 
    During which of the following steps in the troubleshooting theory would a user be questioned about changes to the system?
    • A. 

      Verify full system functionality

    • B. 

      Identify the problem

    • C. 

      Test the theory to determine cause

    • D. 

      Establish a plan of action

  • 50. 
    A customer reports that after connecting a laptop to a projector they can see their presentation on the laptop but not on the projector screen. Which of the following should the customer perform?
    • A. 

      Use the function + f8 key to toggle between screens.

    • B. 

      Use the function + f10 key to toggle between screens

    • C. 

      Use alt + tab to toggle between screens.

    • D. 

      Reboot the laptop to toggle image between screens