August
1999 QUESTION 2 Total Marks: 20 Marks |
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| (a) | FTP recognizes certain file types, and treats
them appropriately. Does FTP recognize MS Word documents? Explain your answer, and
identify any two (other) file types recognized by FTP.
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[4] |
| (b) | FTP uses the TCP facilities of the network
later. What features of TCP make it suitable for supporting FTP?
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[2] |
| (c) | Discuss the security problems you might come
across in using the Simple Mail Transfer Protocol (SMTP) and in using MIME.
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[4] |
| (d) | You have studied a few different approaches to
designing a network application. Identify and explain the approach used to design both the FTP and SMTP applications. Also identify another application using a similar design approach.
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[4] |
| (e) | Explain one benefit of using the 'web-based'
approach to network application design. Also explain how the Java language can
help in this context, and two possible drawbacks in using Java.
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[6] |