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

Code No: F3403 R09

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA IV Semester Examinations, August - 2017

INFORMATION SECURITY

Time: 3hrs Max.Marks:60

Answer any five questions

All questions carry equal marks

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1. a) List various security attacks and consequences of each attack.
   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.
   

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   b) What is meant by Authentication 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]

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7. Discuss the following:
   i) Relatively Prime numbers
   ii) Message Digest
   Explain the Euclid’s algorithm to compute multiplicative inverse of a given Number.[6+6]
8. What is a security association and how security associations are combined with key management to ensure better email security?
   

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   Explain about trusted systems. [6+6]

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