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Network security: Edexcel GCSE Computer Science questions

Every Edexcel GCSE Computer Science exam question on 4.2.1 Network security, 2022–2025, with its mark scheme and examiner’s report.

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210 questions

  1. Q4(c)

    June 2025 · Paper 1

    3 marks4.2.1 Network security
    The whole paper ↗

  2. Q3(b)

    June 2024 · Paper 1

    2 marks4.2.1 Network security
    The whole paper ↗

  3. Q2(f)

    June 2023 · Paper 1

    2 marks4.2.1 Network security
    The whole paper ↗

  4. Q1(c)

    June 2022 · Paper 1

    2 marks4.2.1 Network security
    The whole paper ↗
All 4 questions on Network security, as a list
  1. June 2025, Paper 1, Q4(c) (3 marks): Describe the role of an ethical hacker in network security. (3)
  2. June 2024, Paper 1, Q3(b) (2 marks): Describe penetration testing. (2)
  3. June 2023, Paper 1, Q2(f) (2 marks): A factory has two file servers installed in an office. A closed‑circuit television system monitors the factory. Explain one other method of physical security th
  4. June 2022, Paper 1, Q1(c) (2 marks): Describe how a firewall protects a local area network (LAN). (2)

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