Test Your Knowledge About CompTIA A+ Essentials Troubleshooting Quiz!

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Quizzes Created: 1 | Total Attempts: 1,570
Questions: 10 | Attempts: 1,570

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A Plus Essential Quizzes & Trivia

This quiz is related to troubleshooting issues with hardware-software as well as networking. If you are technically aware of these faults, then do try out this quiz. Read the questions carefully and answer. All the best!


Questions and Answers
  • 1. 

    Which class of fire extinguisher should you use for fires that involve electrical equipments?

    • A.

      Class A

    • B.

      Class B

    • C.

      Class C

    • D.

      Class D

    Correct Answer
    C. Class C
    Explanation
    Class C fires involve electrical equipments such as appliances, wiring, circuit breakers and outlets.

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  • 2. 

    How many devices can you connect in a single USB host controller?

    • A.

      32

    • B.

      127

    • C.

      64

    • D.

      172

    Correct Answer
    B. 127
    Explanation
    Up to 127 devices may be connected to a single USB host controller.

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  • 3. 

    What is the maximum data rate for IEEE 802.11b?

    • A.

      11 Mbit/s

    • B.

      54 Mbit/s

    • C.

      24 Mbit/s

    • D.

      5 Mbit/s

    Correct Answer
    A. 11 Mbit/s
    Explanation
    802.11b has a maximum data rate of 11 Mbit/s.

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  • 4. 

    What is the maximum data rate for IEEE 802.11g?

    • A.

      11 Mbit/s

    • B.

      54 Mbit/s

    • C.

      24 Mbit/s

    • D.

      5 Mbit/s

    Correct Answer
    B. 54 Mbit/s
    Explanation
    802.11g has a maximum data rate of 54 Mbit/s.

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  • 5. 

    A user is complaining that her computer runs slower than when it was new. Which utility should you recommend to fix this problem?

    • A.

      System Restore

    • B.

      Disk Defragmenter

    • C.

      Backup

    • D.

      Disk Cleanup

    Correct Answer
    B. Disk Defragmenter
    Explanation
    Disk Defragmenter is the recommended utility to fix the problem of a computer running slower than when it was new. Over time, files on a computer can become fragmented, meaning that different parts of a file are stored in different physical locations on the hard drive. This can slow down the computer's performance as it takes longer to access and read the fragmented files. Disk Defragmenter rearranges the fragmented files, placing them in contiguous blocks on the hard drive, which improves the computer's overall speed and performance.

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  • 6. 

    Which utility should you use to roll back your system to its previous state?

    • A.

      Sytem Restore

    • B.

      Disk Defragmenter

    • C.

      Backup

    • D.

      Disk Cleanup

    Correct Answer
    A. Sytem Restore
    Explanation
    System Restore is the correct utility to use in order to roll back your system to its previous state. System Restore allows you to undo system changes that may be causing issues or errors on your computer. It creates restore points, which are snapshots of your system at a specific point in time. By using System Restore, you can revert your computer back to a previous restore point, effectively undoing any changes made after that point and restoring your system to its previous working state.

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  • 7. 

    What is the first step in the troubleshooting process?

    • A.

      Call the customer.

    • B.

      Verify full system functionality and if applicable implement preventative measures.

    • C.

      Establish a theory of probable cause. (Question the obvious.)

    • D.

      Test the theory to determine cause.

    • E.

      Identify the problem

    Correct Answer
    E. Identify the problem
    Explanation
    The first step in the troubleshooting process is to identify the problem. This involves recognizing and understanding the issue at hand, such as determining what is not functioning correctly or what is causing the malfunction. Once the problem is identified, further steps can be taken to address and resolve it.

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  • 8. 

    What is the biggest difference between RAID 1 and RAID 0?

    • A.

      RAID 1 is striped, whereas RAID 0 is not.

    • B.

      RAID 1 is a mirror (backup) of one drive.

    • C.

      RAID 0 is a mirror (backup) of one drive.

    • D.

      RAID 0 is faster than RAID 1.

    • E.

      RAID 1 is faster than RAID 0.

    Correct Answer
    B. RAID 1 is a mirror (backup) of one drive.
    Explanation
    RAID 1 is a mirror (backup) of one drive, meaning that it duplicates the data across multiple drives to ensure redundancy and data protection. In contrast, RAID 0 does not provide any redundancy or backup. Instead, it stripes the data across multiple drives to improve performance and increase storage capacity. Therefore, the biggest difference between RAID 1 and RAID 0 is that RAID 1 offers data mirroring and protection, while RAID 0 focuses on performance and capacity.

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  • 9. 

    Where should a laser printer power cable be connected in order to prevent any electrical damage?

    • A.

      It doesn't matter

    • B.

      Surge Protection Only side of a UPS.

    • C.

      Directly into the wall outlet.

    • D.

      Battery Backup / Surge Protection side of a UPS.

    Correct Answer
    B. Surge Protection Only side of a UPS.
    Explanation
    A laser printer power cable should be connected to the Surge Protection Only side of a UPS in order to prevent any electrical damage. This is because a UPS (Uninterruptible Power Supply) provides protection against power surges and fluctuations, which can be harmful to electronic devices like laser printers. By connecting the power cable to the Surge Protection Only side of the UPS, the printer is shielded from any potential electrical damage.

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  • 10. 

    What should you do before making any changes to the computer? (Select the best answer.) like?

    • A.

      Identify the Problem

    • B.

      Escalate the problem

    • C.

      Perform a backup

    • D.

      Establish a plan of action

    • E.

      Document your actions so far

    Correct Answer
    C. Perform a backup
    Explanation
    Before making any changes to the computer, it is important to perform a backup. This is necessary because making changes to the computer can sometimes result in unexpected issues or data loss. By performing a backup, you ensure that you have a copy of all important files and data in case anything goes wrong during the process of making changes. This allows you to easily restore the computer to its previous state if needed.

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