Annamalai University 2007 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: three Hours
Maximum: 100 Marks

ans any 5 ques.
All ques. carry equal marks

1. a) What is meant by Vulnerabilities? discuss.
b) Explain the kinds of attacks on encrypted messages.

2. Describe the subsequent 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) discuss the security requirements for data bases.
b) Explain about the network security problems in detail.

6. a) discuss the interference issue 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 subsequent.
a) Fire-wall
b) Worms
c) Virus
d) Wire tapping

Earning:   Approval pending.