Lesson 4.3

4.3 Prevention Measures Quiz: OCR IT, Unit 1

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.3, Prevention Measures: 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 physical prevention measure identifies a person by features such as a fingerprint or face?

    • Firewall
    • Keypad
    • Radio-frequency identification (RFID)
    • Biometric devices

  2. Which measure monitors and filters network traffic to block unauthorised access?

    • Encryption
    • Secure backup
    • Firewall
    • Keypad

  3. Which physical security measure uses a tag read by radio waves to grant access?

    • Biometric scanner
    • PIN pad
    • RFID
    • Key lock

  4. Which physical measure requires a code to be entered on buttons before a door opens?

    • RFID
    • Anti-virus software
    • Biometric device
    • Keypad

  5. Why are secure backups classified as an essential prevention and recovery measure?

    • Hides user passwords
    • Enables data restoration
    • Encrypts local files
    • Blocks malware downloads

  6. What security requirement defines two-factor authentication?

    • Two different proofs
    • Two strong passwords
    • Two security guards
    • Two user accounts

  7. What does the process of encryption do to digital data?

    • Backs up data
    • Deletes data
    • Scrambles data
    • Compresses data

  8. What is the primary function of anti-malware software on a computer system?

    • Backs up files
    • Increases processor speed
    • Blocks network cables
    • Removes harmful software

  9. Which logical measure controls access by requiring a unique identifier and a secret word?

    • Usernames and passwords
    • Magnetic wipe
    • Physical destruction
    • Data erasure

  10. Why do organisations implement strict user access rights and permissions?

    • Reduces storage
    • Removes passwords
    • Limits data access
    • Speeds up login

  11. Which secure destruction method overwrites data so that it cannot be recovered?

    • Magnetic wipe
    • Physical destruction
    • Two-Factor Authentication
    • Data erasure

  12. Which secure destruction method uses a strong magnetic field to make a magnetic drive's data unreadable?

    • Encryption
    • Data erasure
    • Magnetic wipe
    • Biometric scanning

  13. Which secure destruction method physically breaks a storage device so that data cannot be recovered?

    • Physical destruction
    • Data erasure
    • Firewall
    • Data sanitation

  14. Why must old digital storage devices be physically destroyed rather than simply deleted?

    • Disks rust faster
    • Storage capacity drops
    • Files remain recoverable
    • Files become encrypted

  15. A laptop unlocks only when the owner's fingerprint is scanned. Which measure is this?

    • Firewall
    • Keypad
    • Biometric device
    • RFID

  16. Entering a password and a texted code during login is an example of what?

    • Access control
    • Two-factor authentication
    • Biometric security
    • Data encryption

  17. A network blocks traffic from unknown addresses. Which prevention measure does this?

    • Magnetic wipe
    • Keypad
    • Biometric device
    • Firewall

  18. How does encryption protect data if a laptop is physically stolen?

    • Alarm sounds
    • Device auto-destructs
    • Files are deleted
    • Data remains unreadable

  19. Which prevention measure best protects data against a ransomware attack?

    • Firewall rules
    • Offline backups
    • User training
    • Strong passwords

  20. Why should prevention measures be combined into layered defences?

    • Increases network speed
    • Lowers system costs
    • Removes all threats
    • Reduces breach risk

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