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Posted By: Shanthi M Member Level: Diamond Posted Date: 03 Jun 2008
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2007 Tamil Nadu State Annamalai University M.Tech Computer Science Network Security Question paper
M.Sc. DEGREE EXAMINATION, 2007
(COMPUTER SCIENCE)
(THIRD SEMESTER)
(PAPER -XIX)
351. NETWORK SECURITY
(Elective-III)
(Old Regulations)
(Including Lateral Entry)
Dec.) (Time: 3 Hours
Maximum: 100 Marks
Answer any FIVE questions
All questions carry equal marks
1. a) What is meant by Vulnerabilities? Explain.
b) Explain the types of attacks on encrypted messages.
2. Describe the following with an example.
i) Mono alphabetic cipher.
ii) Transposition cipher.
3. Explain program development controls in detail.
4. Explain the role of operating system in network security.
5. a) Explain the security requirements for data bases.
b) Explain about the network security issues in detail.
6. a) Explain the interference problem in multilevel data bases.
b) Write how multi level security is offered is a network.
7. Explain RSA algorithm with an example.
8. Write notes on the following.
a) Fire-wall
b) Worms
c) Virus
d) Wire tapping
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