Jawaharlal Nehru Technological University Hyderabad 2011-5th Sem M.C.A Code No: F3403 R09 – IESTER S – INFORMATION SECURITY - Question Paper

1. a) describe the 3 security goals. discuss.
b) discuss Cipher Block Chaining Mode and Cipher Feedback Mode with a neat diagram.
2. discuss DES algorithm.
3. a) List the 3 approaches of message authentication.
b) elaborate the 3 uses of a public-key cryptosystem?
c) Write short notes on MAC.
4. Write notes on Kerberos.
5. a) elaborate the 5 principal services given by PGP? Briefly discuss.
b) elaborate the various functions given by the S/MIME?
6. a) discuss IPSec document with a neat diagram.
b) Write short notes on ESP.
7. a) elaborate the differences ranging from SSL and TLS protocols?
b) elaborate the deficiencies of SNMP? discuss.
8. a) List the 3 design goals for a firewall.
b) elaborate typical phases of operation of a virus or worm?
c) elaborate the 3 benefits that can be given by an intrusion detection system?
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Earning:   Approval pending.