Monday, February 13, 2023

Dr. A.P.J. Abdul Kalam University MTECH II SEM (MTCYS) Cryptography and Network Security [MTCYS201] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

Second Semester Examination, June-2021

Cryptography and Network Security [MTCYS201]

Time: 3:00 Hrs Max Marks 70

Note : (i) Attempt any five questions.

(ii) All questions carry equal marks.

Q.1 What are the types of attacks on encrypted message?

Q.2 What is cryptanalysis and cryptography? How it is differentiated?

Q.3 What are the key principles of security? Define threat and attack?

Q.4 Distinguish active and passive attack with example.

Q.5 Compare stream cipher and block cipher with example.

Q.6 What are the two approaches to attacking a cipher? Explain any one in details?

Q.7 Write short notes on

(i) Security attacks

(ii)Security services

Q.8 Briefly explain the design principles of block cipher.

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