December
1998 QUESTION 4 Total Marks: 20 Marks |
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| (a) | Explain the Remote Procedure Call (RPC)
approach to designing a network application.
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[4] |
| (b) | Distinguish between Compression
and Encryption. How are they related?
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[6] |
| (c) | Using diagrams where appropriate, explain the
concepts of upward and downward multiplexing. What are the cost-performance trade-offs
involved?
|
[6] |
| (d) | List and explain two limitations of TCP. | [4] |