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3 marksComputer Networks and Architectures

CAPE Computer Science Unit 2 · 2014 · Paper 2 · Question 5(e)

Explain why the quality of Voice over IP (VoIP) communication might differ from standard telephone communication provided by a telecom company.

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Other parts of this question

  1. 5(a)(i)Draw a network diagram showing how the friend's home network would be set up.[6 marks]
  2. 5(a)(ii)State the role of the modem, switch, and router in the network diagram drawn.[3 marks]
  3. 5(b)Explain what is meant by a hybrid network topology.[1 mark]
  4. 5(c)Describe ONE advantage and ONE disadvantage of using fibre optic cabling as a transmission medium.[4 marks]
  5. 5(d)With the help of a diagram, explain how data is transmitted in an IEEE 802.11b wireless network.[6 marks]
  6. 5(f)State the primary purpose of General Packet Radio Service (GPRS).[2 marks]

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