plumiData transmission: Eduqas A‑Level Computer Science questions
Every Eduqas A-Level Computer Science exam question on 2.2 Data transmission, 2016–2025, with its mark scheme and examiner’s report.
Paper
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Exam
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Calculations
Q3(d)
The whole paper ↗Q3(e)
The whole paper ↗Q11(a)
The whole paper ↗
Q11(b)
The whole paper ↗Q3(a)
The whole paper ↗Q3(b)
The whole paper ↗Q3(c)
The whole paper ↗Q11(a)
The whole paper ↗
Q11(b)
The whole paper ↗Q5(a)(i)
The whole paper ↗
Q5(a)(ii)
The whole paper ↗Q5(b)
The whole paper ↗Q6(a)(i)
The whole paper ↗Q6(a)(ii)
The whole paper ↗Q6(b)(i)
The whole paper ↗Q6(b)(ii)
The whole paper ↗Q3(a)
The whole paper ↗Q3(b)
The whole paper ↗
All 26 questions on Data transmission, as a list
- June 2025, Component 2, Q6 (6 marks): Routers and switches are network devices that enable communication and data transmission. Describe network routing and the role of routers in network communicat
- June 2025, Component 2, Q10 (4 marks): Craft House DIY has an internal wireless network in its offices. The transfer rate on the network is 20 Mbps. Calculate the time required, to the nearest second
- June 2025, AS Component 1, Q3(d) (2 marks): Data is sometimes detected simultaneously on a bus network. State the name given to this issue and describe how the network deals with it. [2]
- June 2025, AS Component 1, Q3(e) (3 marks): Describe how traffic is routed on a packet switched network. [3]
- June 2023, Component 2, Q11(a) (4 marks): Copy the table below into your answer booklet. Complete the table to show the cost and transmission route that would be taken from source to destination. [4] So
- June 2023, Component 2, Q11(b) (4 marks): Calculate, to the nearest second and showing all of your working, the time required to transfer 220 KB (Kilo Bytes) of data from node G to node H. [4]
- June 2022, AS Component 1, Q3(a) (4 marks): Name two methods of data transmission and give an application for each. [4]
- June 2022, AS Component 1, Q3(b) (1 mark): State how multiplexing works on a computer network. [1]
- June 2022, AS Component 1, Q3(c) (2 marks): Describe what happens in a network collision. [2]
- Autumn 2021, Component 2, Q11(a) (6 marks): Calculate the time that would be required (hours) to upload the directory to each provider. [6]
- Autumn 2021, Component 2, Q11(b) (2 marks): The variation in overhead generally arises from the complexity of the encryption algorithm used by the provider. Assuming prices are similar and considering all
- Autumn 2020, Component 2, Q5(a)(i) (2 marks): Calculate the costs for each of the remaining 6 links in the network. [2]
- Autumn 2020, Component 2, Q5(a)(ii) (1 mark): State the route which packets would take from node A to node F. [1]
- Autumn 2020, Component 2, Q5(b) (2 marks): Multiplexors are installed at nodes on certain networks. Describe the need for multiplexing. [2]
- Autumn 2020, Component 2, Q6(a)(i) (2 marks): parallel transmission. [2]
- Autumn 2020, Component 2, Q6(a)(ii) (2 marks): serial transmission. [2]
- Autumn 2020, Component 2, Q6(b)(i) (4 marks): Explain how collisions might occur in a bus network and how these collisions are dealt with. [4]
- Autumn 2020, Component 2, Q6(b)(ii) (2 marks): Explain why collisions are not a problem in ring networks. [2]
- Autumn 2020, AS Component 1, Q3(a) (4 marks): Describe serial transmission and parallel transmission and give one advantage for each transmission type. [4]
- Autumn 2020, AS Component 1, Q3(b) (6 marks): Describe simplex, half duplex and full duplex transmission methods and give an example of each. [6]
- June 2019, Component 2, Q4 (9 marks): Describe the functions of the following components in a network: • Switch • Router • Multiplexor [9]
- June 2019, AS Component 1, Q1(a) (2 marks): Using a parallel interface to send data to a printer. [2]
- June 2019, AS Component 1, Q1(b) (2 marks): Sending data input from a keyboard. [2]
- June 2019, AS Component 1, Q1(c) (2 marks): Sending data across a network using a switch. [2]
- June 2018, AS Component 1, Q1(c) (3 marks): Describe how traffic is routed on a packet switched network. [3]
- June 2017, AS Component 1, Q1(a) (1 mark): Define the term Internet. [1]
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