Lesson 4.1

4.1 Threats Quiz: OCR IT, Unit 1

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.1, Threats: 20 multiple choice questions for the OCR IT (J836), Unit 1: IT in the digital world, written with Revision Ninja.

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The 20 questions

  1. Which cyber threat floods a network server with excessive traffic to block genuine users?

    • Phishing email
    • SQL injection
    • Spyware infection
    • Denial of Service

  2. Which type of hacker breaks into systems illegally to steal data or cause harm?

    • White hat
    • Grey hat
    • Script kiddie
    • Black hat

  3. Which type of hacker tests a system's security with the owner's permission to find weaknesses?

    • Grey hat
    • Black hat
    • Scareware author
    • White hat

  4. Which type of hacker may enter systems without permission but usually has no intent to cause harm?

    • Black hat
    • White hat
    • Grey hat
    • Script kiddie

  5. Which malware displays unwanted advertisements, often without the user's permission?

    • Ransomware
    • Worm
    • Adware
    • Trojan Horse

  6. Which threat is a network of infected computers controlled remotely by an attacker?

    • Spyware
    • Virus
    • Scareware
    • Botnet

  7. Which malware locks or encrypts a user's files and demands payment to restore access?

    • Spyware
    • Worm
    • Ransomware
    • Adware

  8. Which malware secretly gathers information about a user's activity and sends it elsewhere?

    • Botnet
    • Spyware
    • Adware
    • Denial of Service

  9. Which malware disguises itself as legitimate software to trick a user into installing it?

    • Trojan Horse
    • Worm
    • Virus
    • Ransomware

  10. Which malware attaches itself to a file or program and spreads when that file is run?

    • Adware
    • Worm
    • Botnet
    • Virus

  11. Which malware copies itself across a network without needing a host file or user action?

    • Spyware
    • Worm
    • Virus
    • Trojan Horse

  12. Which social engineering method uses a fake email or message that impersonates a trusted source to obtain personal details?

    • Shoulder surfing
    • Phishing
    • Baiting
    • Pretexting

  13. Which social engineering method leaves an infected USB drive in a public place to tempt someone to plug it in?

    • Scareware
    • Quid pro quo
    • Phishing
    • Baiting

  14. Which social engineering method uses an invented scenario to persuade a victim to hand over information?

    • Pretexting
    • Shoulder surfing
    • Phishing
    • Baiting

  15. Which social engineering method offers a service or benefit in return for information?

    • Shoulder surfing
    • Baiting
    • Quid pro quo
    • Scareware

  16. Which social engineering method uses false alarms to frighten a user into buying or installing unnecessary software?

    • Quid pro quo
    • Adware
    • Scareware
    • Worm

  17. Which social engineering method involves watching someone's screen or keypad to learn a PIN or password?

    • Baiting
    • Phishing
    • Shoulder surfing
    • Pretexting

  18. An email says a bank account is locked and asks you to enter details on a linked website. Which threat is most likely?

    • Worm
    • Botnet
    • Denial of Service
    • Phishing

  19. A user's files are encrypted and a message demands payment for the key. Which threat is this?

    • Spyware
    • Scareware
    • Adware
    • Ransomware

  20. Which measure best protects a corporate network from the spread of automated worms?

    • Upgrading monitors
    • Updating patches
    • Turning off screens
    • Changing desktop wallpapers

All OCR IT quizzes