Wednesday, January 25, 2023

Dr. A.P.J. Abdul Kalam University BE VIII SEM (IT) Information Security [IT-801] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Eighth Semester Main Examination, June-2021

Information Security [IT-801]


Time: 3:00 Hrs Max Marks 70

Note : 1. Attempt any five questions.

2. All question carry equal marks.

3. Answer should be precise & to be point only.

4. Assume suitable data if necessary & state them clearly.

Q.1 (a) Compare output feedback mode with cipher feedback mode.

(b) Explain the basic principles of information security.

Q.2 (a) With the help of a block diagram explain DES encryption algorithm.

(b) Discuss the various types of cryptanalysis attacks.

Q.3 (a) Write the difference between conventional encryption and public key encryption. (b) Write short

notes on RSA.

Q.4 (a) Explain hash function in detail.

(b) Describe Diffie Hellman key exchange algorithm.

Q.5 (a) Give an overview of transport mode and tunnel mode?

(b) Explain secure socket layer.

Q.6 (a) Discuss various alert codes of TLS.

(b) Explain IP security.

Q.7 (a) Explain cross site scripting and phishing attacks. How can you overcome to cross site scripting?

(b) Explain various types of software threats in detail.

Q.8 Write a short notes (Any four):-

i) Intrusion detection

ii) Packet filters

iii) URL

iv) Web security problem

v) Cookies

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