IT Quiz

quiz

Test your IT knowledge with fun, multiple-choice quizzes on tech support, troubleshooting, networking, hardware, software, and more.

  • Difficulty - Hard
    Total Plays - 19
    Allowed Time - 15 sec
    Best time - 15

    What is the maximum length of a strong Wi-Fi password (WPA2/WPA3)?

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    Explanation:
    WPA2/WPA3 passphrases are limited to 8–63 ASCII characters. Longer, complex passphrases increase resilience against brute force attacks.
  • Difficulty - Easy
    Total Plays - 18
    Allowed Time - 5 sec
    Best time - 2.406

    Which Windows tool helps remove unnecessary files?

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    Explanation:
    Disk Cleanup removes temporary files, system caches, Windows Update residuals, and other unneeded files to free disk space. On newer Windows, Storage Sense automates similar tasks. For deeper cleanup, use third-party tools cautiously and always back up before deleting system files.
  • Difficulty - Easy
    Total Plays - 14
    Allowed Time - 5 sec
    Best time - 1.983

    Which is NOT an example of an output device?

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    Explanation:
    Keyboards are input devices (they send data to the computer). Printers, monitors, and speakers are typical output devices that present data (visual or audio).
  • Difficulty - Medium
    Total Plays - 17
    Allowed Time - 10 sec
    Best time - 3.698

    What does VPN mainly provide?

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    Explanation:
    A VPN encrypts traffic and hides a user’s IP from remote sites (hides user identity online), improving privacy and bypassing some network restrictions.
  • Difficulty - Medium
    Total Plays - 18
    Allowed Time - 10 sec
    Best time - 3.133

    What does “formatting a disk” do?

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    Explanation:
    Formatting erases all contents and creates a file system structure (e.g., NTFS, FAT32, exFAT) on a disk. Quick format writes a new file table without wiping all sectors; full format may check and zero sectors. Always back up important data before formatting and choose the filesystem appropriate for the OS and usage.
  • Difficulty - Medium
    Total Plays - 19
    Allowed Time - 10 sec
    Best time - 4.677

    What does GUI stand for?

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    Explanation:
    GUI uses icons, windows, and menus instead of text-only commands.
  • Difficulty - Easy
    Total Plays - 21
    Allowed Time - 5 sec
    Best time - 2.947

    What does BSOD stand for?

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    Explanation:
    When the Windows operating system experiences a fatal system fault or crash, the BSOD error screen is shown. Critical software problems, incompatible drivers, or defective hardware are typically the causes. To help in troubleshooting, it displays error codes.
  • Difficulty - Easy
    Total Plays - 18
    Allowed Time - 5 sec
    Best time - 1.846

    Which command displays your PC’s IP address?

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    Explanation:
    ipconfig is a command-line tool that displays your computer’s network configuration, including its IP address, subnet mask, and default gateway. It’s commonly used while troubleshooting network issues.
  • Difficulty - Easy
    Total Plays - 17
    Allowed Time - 5 sec
    Best time - 2.032

    Which key combo opens Task Manager?

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    Explanation:
    Ctrl + Shift + Esc - opens Task Manager directly, bypassing the need to use Ctrl + Alt + Del and then selecting Task Manager. It's faster and especially useful when diagnosing performance issues.
  • Difficulty - Easy
    Total Plays - 18
    Allowed Time - 5 sec
    Best time - 1.417

    What causes VIDEO_TDR_FAILURE in Windows?

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    Explanation:
    TDR stands for Timeout Detection and Recovery. This BSOD error typically happens when the GPU becomes unresponsive or the graphics driver crashes. It's common in gaming or video-heavy tasks with outdated or faulty GPU drivers.
  • Difficulty - Medium
    Total Plays - 22
    Allowed Time - 10 sec
    Best time - 1.359

    What command is used to check and repair corrupted system files in Windows?

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    Explanation:
    sfc /scannow is a built-in Windows command that runs the System File Checker tool. It scans for and repairs corrupted or missing system files that might be causing issues like crashes or errors.