Download JNTUH MCA 4th Sem R09 2017 August F3403 Information Security Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R09 2017 August F3403 Information Security Previous Question Paper

R09

Code No: F3403















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, August - 2017

INFORMATION SECURITY

Time: 3hrs













Max.Marks:60

Answer any five questions

All questions carry equal marks

- - -


1.a)

List various secuirty attacks and consequences of each attacks.

b)

Explain Block Cipher modes of operation.









[6+6]


2.a)

Define principle of public key cryptography.

b)

Explain Kerberos authentication in detail.









[6+6]


3.a)

Discuss the principles of PGP security.

b)

What is meant by Authenticaion Header and Encapsulated Security Payload?

[6+6]


4.

Demonstrate the procedure followed in SET(Secure Electronic Transaction) with a neat
sketch.



















[12]


5.

What is a Firewall? Discuss various types of Firewalls.







[12]


6.a)

Explain Man in Middle Attack.

b)

What is Flooding? Discuss types of Flooding attacks.







[6+6]


7.a)

Discuss the following:



i) Relatively Prime numbers
ii) Message Digest

b)

Explain the Euclid's algorithm to compute multiplicate inverse of a given Number.[6+6]


8.a)

What is a security association and how security associations are combined with key
management to ensure better email security?

b) Explain about trusted systems.













[6+6]




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