November 25, 2011

INFORMATION SECURITY JNTU previous years question papers

INFORMATION SECURITY JNTU previous years question papers

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) “Gaining control over the Routing tables at layer 3 is one of the attacks” explain how Route tables modification is crucial.
(b) Explain how Buffer overflow is created for any known platforms (eg., WINDOWS NT / LINUX). [8+8]

2. (a) Compare and contrast between Cryptography and Cryptology.
(b) Explain the various Key distribution methods. [8+8]

3. (a) Explain the procedure involved in RSA public-key encryption algorithm.
(b) Explain what Kerberos is and give its requirements. [8+8]

4. Clearly explain in detail the Multipurpose Internet Mail Extensions (MIME). [16]

5. (a) What is the default length of Authentication data field? On what fields is it calculated?
(b) Explain how Diffie-Hellman protocol is vulnerable to man-in-the-middle attack? How is rectified in Oakley protocol? [8+8]

6. Describe how brute-force attack and man-in-the-middle attack can be counted by SSL? [16]

7. (a) Explain how proxy accommodates devices that do not implement SNMP?
(b) Discuss SNMPV1 administrative concepts. [8+8]

8. (a) What is a firewall? Explain the capabilities that are within the scope of a firewall?
(b) What are the measures that may be used for intrusion detection?



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