CAPE Computer Science Unit 2 · 2016 · Paper 2 · Question 5(f)
Explain the role of any two of the first five layers of the OSI reference model for network communication.
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Practise this questionOther parts of this question
- 5(a)(i)Describe the characteristics of coaxial cable as a transmission medium.[2 marks]
- 5(a)(ii)Describe the characteristics of fibre-optic cable as a transmission medium.[2 marks]
- 5(b)Explain what an IEEE 802.16 network is.[3 marks]
- 5(c)With the aid of a diagram, explain the role of a switch in a local area network.[3 marks]
- 5(d)Explain how data is communicated in an IEEE 802.11b network, illustrating your answer with a diagram.[6 marks]
- 5(e)(i)Briefly explain how cost is considered when building a network.[1 mark]
- 5(e)(ii)Briefly explain how security is considered when building a network.[1 mark]
- 5(e)(iii)Briefly explain how management is considered when building a network.[1 mark]
- 5(e)(iv)Briefly explain how expandability is considered when building a network.[1 mark]
- 5(e)(v)Briefly explain how interconnectivity is considered when building a network.[1 mark]
More practice: the rest of this paper · more Computer Networks and Architectures questions · all CAPE Computer Science Unit 2 past papers