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Course Name:  Information and Communication Technology
Also Done By:
Na
Course Level:  Diploma
Sub Level:       Module III
Course Unit:   Data Communication and Networking
Exam body:    KNEC
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1. Explain three advantages of extranet networks in organizations ()
2. A network design should meet several user needs. Outline four examples of such needs ()
3. Differentiate between information security and network infrastructure security ()
4. Routing protocol use routing tables to establish the source and destination of data packets in transit. Explain three routing path determination methods used by these protocol ()
5. Outline two characteristics of point to point protocol (PPP). ()
6. Distinguish between Network and Host address as used in IP sub-netting ()
7. With an aid of a diagram, describe the time-division multiplexing (TDM). ()
8. With aid of a diagram, describe TCP handshake ()
9. Explain two types of cookies as used in the internet ()
10. Joan was requested to patch communication software in her company’s computers. Explain two reasons that could have influenced the request ()
11. Use of password expiration features in data communication system is unpopular. Explain two limitations of this feature. ()
12. Wireless networks are commonly used in business firms. Outline four benefits of the network. ()
13. Explain two types of topology diagrams used in local area networks (LANs). ()
14. Explain two limitations of CSMA/CD ()
15. Figure 1 shows an Ethernet frame. Explain the functions of each of the following parts labelled (i) and (ii). ()
16. Star topology is very popular in data communication systems. Outline four advantages that justify the statements ()
17. Describe two types of user interfaces in network operating system ()
18. Troubleshooting a network involves several stages. Explain three generic stages used by network administrator ()
19. Outline any three layers of TCP/IP model ()
20. Distinguish between router and bridge as used I n Networking ()
21. Outline three factors, other than cost, that should be considered when selecting fiber optic media ()
22. Deno was required to troubleshoot a physical layer of a network of a client. Explain three possible symptoms that he could have realized ()
23. Outline four parts of an Email address ()
24. Figure 2 shows typical tool in browser. Outline the function of each of the following tools labelled (i), (ii), (iii) and (iv). ()
25. Define the term wikis as applied in internet browser ()
26. With aid of a diagram, outline a data communication system ()
27. State four types of internet connections used in business firms ()
28. Explain two circumstances under which coaxial cables are most applicable in network installation ()
29. Differentiate between contention-based and controlled media access methods ()
30. Describe three functions of presentation layer as used in OSI ()
31. IP protocol is phenomenon when configuring a network. Explain three of its features. ()
32. Most corporate prefer distributed network operating system. Explain three reasons that could be influencing this trend ()
33. Explain two functions of network interface card in a computer ()
34. Outline two types of transmission impairments ()
35. Distinguish between Network control and link control protocol as used in PPP ()
36. Cloud computing is an emerging technology in business firms. Explain two types of clouds that can be used ()
37. Explain three circumstances that would necessitate the implementation of frame relays in corporate networks ()