plumiTCP/IP: AQA A‑Level Computer Science questions
Every AQA A-Level Computer Science exam question on 4.9.4 TCP/IP, 2020–2025, with its mark scheme and examiner’s report.
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Q05.1
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Q07.4
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Q07.5
The whole paper ↗![June 2024 Paper 2, question 07.5: Explain why it might be undesirable to allow the network settings of the web server to be configured by a DHCP server. [1 mark]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-jun24-07-5-qp.webp?v=3)
Q07.6
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Q07.7
The whole paper ↗![June 2024 Paper 2, question 07.7: The replacement of IPv4 with IPv6 would mean that NAT is no longer necessary. Explain why this is the case. [1 mark]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-jun24-07-7-qp.webp?v=3)
Q07.8
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Q05.4
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Q05.5
The whole paper ↗![June 2023 Paper 2, question 05.5: Shade one lozenge on the row that correctly shows how REST enables CRUD to be mapped to database functions using SQL. [1 mark] A GETFETCH, POSTCREATE, DELETE](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-jun23-05-5-qp.webp?v=3)
Q05.6
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Q11.1
The whole paper ↗![June 2023 Paper 2, question 11.1: Describe the role that will be played by the transport layer of the TCP/IP stack in the transmission of the email from Computer A to an email server. [3 marks]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-jun23-11-1-qp.webp?v=3)
Q11.3
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Q11.4
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![June 2022 Paper 2, question 11: Compare the hardware requirements of thin-client and thick-client computing systems. [3 marks]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-jun22-11-qp.webp?v=3)
![November 2021 Paper 2, question 02: Describe what thin-client computing is and explain two reasons why a thin-client system might be chosen in preference to a thick-client system. [3 marks]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-nov21-02-qp.webp?v=3)
Q11.1
The whole paper ↗![November 2021 Paper 2, question 11.1: State suitable IP addresses for: [3 marks] The Router 1 port labelled The Router 1 port labelled The computer labelled](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-nov21-11-1-qp.webp?v=3)
Q11.2
The whole paper ↗
Q11.3
The whole paper ↗![November 2021 Paper 2, question 11.3: The devices on the network in Figure 8 use IPv4. State one reason why IPv6 has been introduced to replace IPv4. [1 mark]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/75172-nov21-11-3-qp.webp?v=3)
Q04.1
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Q04.2
The whole paper ↗
All 24 questions on TCP/IP, as a list
- June 2025, Paper 2, Q08 (12 marks): The Internet Protocol version 4 (IPv4) addressing system does not provide enough unique addresses for every device that is connected to the Internet. This is be
- June 2024, Paper 2, Q05.1 (12 marks): A company uses a file server that stores files on magnetic hard disk drives. These files can be accessed by other computers through a network. Describe: • how t
- June 2024, Paper 2, Q07.4 (3 marks): Explain how a computer located outside the LAN can access the web server, despite the fact that the web server is identified by a non-routable IP address. [3 ma
- June 2024, Paper 2, Q07.5 (1 mark): Explain why it might be undesirable to allow the network settings of the web server to be configured by a DHCP server. [1 mark]
- June 2024, Paper 2, Q07.6 (4 marks): The student uses the computer with IP address 192.168.0.4 to download a file from an FTP server on the Internet using the File Transfer Protocol (FTP). Describe
- June 2024, Paper 2, Q07.7 (1 mark): The replacement of IPv4 with IPv6 would mean that NAT is no longer necessary. Explain why this is the case. [1 mark]
- June 2024, Paper 2, Q07.8 (1 mark): The web server and the web browser on a client computer use the Websocket protocol when they communicate with each other. Shade one lozenge to indicate which of
- June 2023, Paper 2, Q05.4 (1 mark): The booking system can be accessed through a website which uses CRUD and REST. Describe what Uniform Resource Locators (URLs) are used for in a RESTful applicat
- June 2023, Paper 2, Q05.5 (1 mark): Shade one lozenge on the row that correctly shows how REST enables CRUD to be mapped to database functions using SQL. [1 mark] A GETFETCH, POSTCREATE, DELETE
- June 2023, Paper 2, Q05.6 (2 marks): JSON is used to encode datasets when they are passed between the server and the booking application. Figure 6 shows an example of how data about some films can
- June 2023, Paper 2, Q11.1 (3 marks): Describe the role that will be played by the transport layer of the TCP/IP stack in the transmission of the email from Computer A to an email server. [3 marks]
- June 2023, Paper 2, Q11.3 (4 marks): State the name and purpose of two application layer protocols that will be used to transfer the email from Computer A to Computer B. Each protocol must have a d
- June 2023, Paper 2, Q11.4 (2 marks): The email servers involved in the transmission of the email use well-known ports. Explain what a well-known port is and why an email server must use one. [2 mar
- June 2022, Paper 2, Q11 (3 marks): Compare the hardware requirements of thin-client and thick-client computing systems. [3 marks]
- November 2021, Paper 2, Q02 (3 marks): Describe what thin-client computing is and explain two reasons why a thin-client system might be chosen in preference to a thick-client system. [3 marks]
- November 2021, Paper 2, Q11.1 (3 marks): State suitable IP addresses for: [3 marks] The Router 1 port labelled The Router 1 port labelled The computer labelled
- November 2021, Paper 2, Q11.2 (1 mark): Shade one lozenge to indicate which of the following four subnet masks is the one that has been assigned to the devices connected to the network in Figure 8. [1
- November 2021, Paper 2, Q11.3 (1 mark): The devices on the network in Figure 8 use IPv4. State one reason why IPv6 has been introduced to replace IPv4. [1 mark]
- November 2020, Paper 2, Q04.1 (1 mark): 0 4 An estate agency makes details of the properties that it has for sale available to potential customers through a website. The details of the properties and
- November 2020, Paper 2, Q04.2 (1 mark): 0 4 An estate agency makes details of the properties that it has for sale available to potential customers through a website. The details of the properties and
- November 2020, Paper 2, Q04.3 (2 marks): 0 4 An estate agency makes details of the properties that it has for sale available to potential customers through a website. The details of the properties and
- November 2020, Paper 2, Q05.1 (1 mark): The computers on subnet 192.168.2.0 have been configured using the DHCP system. State one advantage of using the DHCP system. [1 mark]
- November 2020, Paper 2, Q05.2 (2 marks): Computer A has the IP address 192.168.2.3 Many other computers connected to the Internet have the same IP address. Explain how two or more computers connected t
- November 2020, Paper 2, Q05.4 (12 marks): A packet of data is to be transmitted across the Internet from Computer A in the UK to Computer B in Belgium. A checksum will be used to attempt to detect if an
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