Question 1: The address depletion of IPv4 and other shortcomings of this protocol prompted a new version of IP known as IPv6. Explain the advantages of this new IPv6 when compared to IPv4? [5 Marks]
Question 2: Migrating from IPv4 to IPv6 is known as transition from version 4 to version 6 and requires formal strategies to handle this transition. Explain each of the strategies for this migration process using appropriate examples. [6 Marks]
Question 3: In a peer-to-peer (P2P) network, Internet users that are ready to share their resources become peers and form a network. Describe the differences between centralised and decentralised P2P networks? Discuss the advantages and disadvantages of both networks. [5 Marks]
Question 4: What is a Distributed Hash Table (DHT) and how is it used in P2P networks? Briefly explain how a DHT works with an example of a P2P network. [5 Marks]
Question 5: In the client-server paradigm, explain which entity provides the service and which entity receives the service. Why should a server be run all the time, but a client can be run when it is needed? [5 Marks]
Question 6: When an HTTP server receives a request message from an HTTP client, how does the server know when all headers have arrived and the body of the message is to follow? [6 Marks]
| Thoroughly Thoroughly detailed and accurate explanation of advantages of IPv6 over IPv4. | Mostly accurate description of advantages of IPv6 over IPv4 with some specific detail. | Basic description of advantages of IPv6 over IPv4, identifies key features only. | Incomplete, inadequate or no answer of the question | ||
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Thoroughly detailed and accurate explanation of all strategies for migration process, supported by appropriate examples. | Accurate and detailed explanation of all strategies for migration process, supported by some examples. | Mostly accurate explanation of all strategies for migration process, supported by some examples. | Basic explanation of all strategies for migration process, limited use of supporting examples. | Incomplete, inadequate or no answer of the question |
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3.
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Thoroughly detailed and accurate comparison of 2 types of P2P networks. Comprehensive discussion of their advantages and disadvantages. | Accurate and detailed comparison of 2 types of P2P networks. Substantial discussion of their advantages and disadvantages. | Mostly accurate comparison of 2 types of P2P networks. Sound discussion of their advantages and disadvantages. | Some comparison of 2 types of P2P networks. Basic explanation of their advantages and disadvantages. | Incomplete, inadequate or no answer of the question |
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4.
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Thoroughly detailed and accurate description of DHT and clear explanation of how it works, supported by an appropriate example. | Detailed and accurate description of DHT and clear explanation of how it works, supported by an appropriate example. | Mostly accurate description of DHT and sound explanation of how it works, supported by a relevant example. | Basic description of DHT and explanation of how it works, supported by an example. | Incomplete, inadequate or no answer of the question |
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5.
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Thoroughly detailed and accurate explanation of different roles in the client- server paradigm. | Detailed and accurate explanation of different roles in the client- server paradigm. | Mostly accurate explanation of different roles in the client- server paradigm. | Basic explanation of different roles in the client- server paradigm. | Incomplete, inadequate or no answer of the question |
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6.
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Thoroughly detailed and accurate explanation of HTTP client-server process. | Detailed and accurate explanation of HTTP client-server process. | Mostly accurate explanation of HTTP client-server process with some detail. | Basic explanation of HTTP client-server process. | Incomplete, inadequate or no answer of the question |
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