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Computer Networks and Architectures · CAPE Computer Science Unit 2

64 past-paper questions on Computer Networks and Architectures, part of Operating Systems and Computer Networks, from every CAPE Computer Science Unit 2 paper on Quelpr.

Practise Computer Networks and Architectures
  1. 5(b)(i)2 marks· CAPE Computer Science Unit 2 · 2009 · Paper 2State the first FOUR layers (layers 1 to 4) of the OSI model for computer communication.
  2. 5(b)(ii)8 marks· CAPE Computer Science Unit 2 · 2009 · Paper 2Explain how EACH of the first four OSI layers is involved in the transmission of a large file.
  3. 5(c)7 marks· CAPE Computer Science Unit 2 · 2009 · Paper 2Explain how data are communicated in an IEEE 802.11b network, including a diagram in your response.
  4. 5(d)2 marks· CAPE Computer Science Unit 2 · 2009 · Paper 2Distinguish between CDMA and TDMA access methods for mobile networks.
  5. 6(b)2 marks· CAPE Computer Science Unit 2 · 2009 · Paper 2Define what is meant by a hybrid network.
  6. 5(a)(i)6 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Draw a diagram showing the layers of the OSI model for computer communication.
  7. 5(a)(ii)6 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Describe the role of EACH of the top THREE layers of the OSI model drawn in 5(a)(i).
  8. 5(c)6 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2State and describe TWO applications that use or can use GPRS.
  9. 6(a)3 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Complete the labelling of the diagram by giving the names of A, B and C.
  10. 6(b)2 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2State, giving a reason, which network topology is being employed.
  11. 6(c)2 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Give ONE disadvantage of the topology identified in (b).
  12. 6(d)1 mark· CAPE Computer Science Unit 2 · 2010 · Paper 2List ONE device which is NOT shown in the diagram that may also be found on the network.
  13. 6(e)3 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Briefly describe the function of the firewall.
  14. 6(f)1 mark· CAPE Computer Science Unit 2 · 2010 · Paper 2State the meaning of the abbreviation ISP.
  15. 6(g)1 mark· CAPE Computer Science Unit 2 · 2010 · Paper 2State what service the company would likely use from the ISP.
  16. 6(h)1 mark· CAPE Computer Science Unit 2 · 2010 · Paper 2If the company had an Intranet, state on what protocol it would be running.
  17. 6(i)3 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Differentiate between a peer-to-peer and a client server configuration.
  18. 6(j)2 marks· CAPE Computer Science Unit 2 · 2010 · Paper 2Give ONE disadvantage of a client server configuration.
  19. 5(a)2 marks· CAPE Computer Science Unit 2 · 2011 · Paper 2Explain ONE difference between an analog signal and a digital signal.
  20. 5(b)(i)2 marks· CAPE Computer Science Unit 2 · 2011 · Paper 2State TWO examples of wired transmission media.
  21. 5(b)(ii)2 marks· CAPE Computer Science Unit 2 · 2011 · Paper 2State TWO examples of wireless transmission media.
  22. 5(c)4 marks· CAPE Computer Science Unit 2 · 2011 · Paper 2Using examples, explain the client-server model of computing.
  23. 5(d)(i)8 marks· CAPE Computer Science Unit 2 · 2011 · Paper 2Describe FOUR network devices that may be used by the college to set up its LAN and connect to the Internet and other LANs.
  24. 5(d)(ii)4 marks· CAPE Computer Science Unit 2 · 2011 · Paper 2Describe how TWO types of transmission media can be used by the college LAN.
  25. 5(a)(i)2 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2Describe the characteristics of twisted pair transmission media.
  26. 5(a)(ii)2 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2Describe the characteristics of fibre optic cable transmission media.
  27. 5(b)4 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2A ring network contains four computers, one of which has failed. Explain one modification to allow the remaining three computers to communicate, using a diagram.
  28. 5(c)3 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2With the aid of a diagram, explain the role of a hub in a local area network.
  29. 5(d)6 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2With the aid of a diagram, explain how data is communicated in an IEEE802.11a network.
  30. 5(e)3 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2Outline the role of a firewall on a computer network.
  31. 5(f)5 marks· CAPE Computer Science Unit 2 · 2012 · Paper 2State the role of each of layers 1 to 5 of the OSI model for network communication.
  32. 5(a)4 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2Explain why a peer-to-peer network is generally considered a special case of a client/server network.
  33. 5(b)(i)2 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2Discuss network security as an issue when developing a computer network.
  34. 5(b)(ii)2 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2Discuss expandability as an issue when developing a computer network.
  35. 5(b)(iii)2 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2Discuss interconnectivity as an issue when developing a computer network.
  36. 5(c)(i)5 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2List, in the correct order, the LAST FIVE layers of the OSI model for computer communication.
  37. 5(c)(ii)6 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2For any THREE of the layers listed in (c)(i), describe the role EACH plays in data communication.
  38. 5(d)4 marks· CAPE Computer Science Unit 2 · 2013 · Paper 2A company has four desktop computers, one server, twisted pair cable, and a switch. Draw a diagram illustrating how the devices can be connected, carefully labelling all components.
  39. 5(a)(i)6 marks· CAPE Computer Science Unit 2 · 2014 · Paper 2Draw a network diagram showing how the friend's home network would be set up.
  40. 5(a)(ii)3 marks· CAPE Computer Science Unit 2 · 2014 · Paper 2State the role of the modem, switch, and router in the network diagram drawn.
  41. 5(b)1 mark· CAPE Computer Science Unit 2 · 2014 · Paper 2Explain what is meant by a hybrid network topology.
  42. 5(c)4 marks· CAPE Computer Science Unit 2 · 2014 · Paper 2Describe ONE advantage and ONE disadvantage of using fibre optic cabling as a transmission medium.
  43. 5(d)6 marks· CAPE Computer Science Unit 2 · 2014 · Paper 2With the help of a diagram, explain how data is transmitted in an IEEE 802.11b wireless network.
  44. 5(e)3 marks· CAPE Computer Science Unit 2 · 2014 · Paper 2Explain why the quality of Voice over IP (VoIP) communication might differ from standard telephone communication provided by a telecom company.
  45. 5(f)2 marks· CAPE Computer Science Unit 2 · 2014 · Paper 2State the primary purpose of General Packet Radio Service (GPRS).
  46. 5(a)4 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Briefly describe two advantages of a client/server network over a peer-to-peer network.
  47. 5(b)(i)2 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Explain what is meant by the term 'firewall'.
  48. 5(b)(ii)2 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Explain why firewall software needs to be frequently updated.
  49. 5(c)2 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2State two differences between FDDI and Ethernet network architectures.
  50. 5(d)4 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Briefly explain the role of the network and transport layers in the OSI network model.
  51. 5(e)3 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Outline three reasons why many users prefer wireless routers over wired routers.
  52. 5(f)(i)2 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Explain the purpose of GPRS.
  53. 5(f)(ii)6 marks· CAPE Computer Science Unit 2 · 2015 · Paper 2Name and describe two applications that use GPRS.
  54. 5(a)(i)2 marks· CAPE Computer Science Unit 2 · 2016 · Paper 2Describe the characteristics of coaxial cable as a transmission medium.
  55. 5(a)(ii)2 marks· CAPE Computer Science Unit 2 · 2016 · Paper 2Describe the characteristics of fibre-optic cable as a transmission medium.
  56. 5(b)3 marks· CAPE Computer Science Unit 2 · 2016 · Paper 2Explain what an IEEE 802.16 network is.
  57. 5(c)3 marks· CAPE Computer Science Unit 2 · 2016 · Paper 2With the aid of a diagram, explain the role of a switch in a local area network.
  58. 5(d)6 marks· CAPE Computer Science Unit 2 · 2016 · Paper 2Explain how data is communicated in an IEEE 802.11b network, illustrating your answer with a diagram.
  59. 5(e)(i)1 mark· CAPE Computer Science Unit 2 · 2016 · Paper 2Briefly explain how cost is considered when building a network.
  60. 5(e)(ii)1 mark· CAPE Computer Science Unit 2 · 2016 · Paper 2Briefly explain how security is considered when building a network.
  61. 5(e)(iii)1 mark· CAPE Computer Science Unit 2 · 2016 · Paper 2Briefly explain how management is considered when building a network.
  62. 5(e)(iv)1 mark· CAPE Computer Science Unit 2 · 2016 · Paper 2Briefly explain how expandability is considered when building a network.
  63. 5(e)(v)1 mark· CAPE Computer Science Unit 2 · 2016 · Paper 2Briefly explain how interconnectivity is considered when building a network.
  64. 5(f)4 marks· CAPE Computer Science Unit 2 · 2016 · Paper 2Explain the role of any two of the first five layers of the OSI reference model for network communication.

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