Download JNTU (NR) M.TECH 1-Semester INFORMATION SECURITY-I March–2009 Exam Question Paper

Code No. A7804      NR
M .Tech. I Semester Regular Examinations, March – 2009
(Computer Networks & Information Security)

Time: 3 hours        Max. Marks.60
Answer any Five questions
All questions carry equal marks

1.a)  What are the different types of security attacks that are possible? Explain each one in detail.
b)  Write short notes on RFC.

2.a)  State Fermat’s theorem.
b)  Using Fermat’s theorem, find 3201 mod 11.
c)  Briefly explain Chinese remainder theorem.

3.a)  Explain Fiestel clipher structure  with a neat diagram.
b)  Write short notes on cryptandysis.

4.a)  Explain diffie-Hellman key exchange algorithm.
b)  Write short notes on key distribution.

5.  Write notes on X-509 Directory Authentication Services.

6.a)  What is the function of SNMP proxy?
b)  What threats is USM designed to country?
c)  Write short notes on VCAM.

7.a)  What are the typical phases of operation of a virus on worm?
b)  Write short notes on:
i) Malware Detection     ii) Memory protection.

8.a)  What are the techniques used by firewalls t central access and enforce a security policy.
b)  Write short notes on:
i) Reference monitor     ii) Capability ticket.


Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.