Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411206 1 IV ester(R07)Regular s, ember/ember INFORMATION SECURITY - Question Paper

Code :R7411206 1
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
info SECURITY
(Information Technology, Computer Science & Systems Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) discuss different Security mechanisms.
(b) discuss about VDP hijacking.
2. (a) How the ¯estel structure is providing confusion and di®usion.
(b) discuss CAST - 128 algorithm in detail.
3. (a) Compare public-key cryptography with conventional cryptography.
(b) Perform encryption and decryption using RSA Algorithm for the subsequent.
P=3 , q=11, e=17, M=8.
4. (a) discuss about S/MIME content kinds .
(b) discuss Generic transmission and reception of PGP messages along with ¯gure.
5. (a) Compare tunnel mode with transport mode .
(b) Draw and discuss the ¯elds in authentication header.
6. (a) What is a dual signature and its purpose?
(b) discuss about handshake protocol .
7. (a) discuss about SNMP.
(b) discuss about statistical anamoly detection.
8. (a) discuss ¯rewall con¯gurations.
(b) Write about virus structure.

Earning:   Approval pending.