Download JNTUH MCA 3rd Sem R19 2021 February 863AE Information Security Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R19 2021 February 863AE Information Security Previous Question Paper

R19

Code No: 863AE













JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, February - 2021

INFORMATION SECURITY

Time: 2 hours













Max. Marks: 75

Answer any five questions



All questions carry equal marks

- - -


1.a) What is a Transposition Cipher?
b)

What is Steganography?















[8+7]


2.a)

What is the purpose of the S-boxes in DES?

b)

What is the difference between Differential and Linear Cryptanalysis?



[7+8]



3.

Write a detailed note on the RSA Algorithm. List out the Four possible approaches to
attack the RSA algorithm.















[15]


4.

Write a detailed note on SHA-512 Algorithm.









[15]


5.

Explain in detail the Digital Signature Algorithm.







[15]


6.

Explain with a neat diagram various PGP Cryptographic Functions.



[15]


7.

Explain with a neat diagram the ESP (Encapsulating Security Payload) Packet Format.

[15]



8.

What is a Firewall? Explain various types of Firewalls with neat diagrams.

[15]




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