Eighth semester (s8) BTech Security in Computing previous year question paper - MG university CSE.
B.TECH DEGREE EXAMINATION, MAY 2016
Eighth Semester
Branch: Computer Science and Engineering
CS 010 803 SECURITY IN COMPUTING—(CS)
(New Scheme — 2010 Admission onwards)
[Regular/Supplementary]
Time : Three Hours
Maximum 100 Marks
Part A.
Answer all questions.
Each question carries 3 marks.
- Define security attacks.
- What do you mean by Avalanche effect?
- Differentiate between direct and arbitrated digital signature.
- What are the services provided by IP Sec ?
- What do you mean by Biba integrity model ?
(5 x 3 = 15 marks)
Part B
Answer all questions.
Each question carries 5 marks.
- Briefly explain symmetric cipher model.
- Explain briefly about prime factorization.
- Write note on hash functions.
- What are the different functions provided by S/MIME? Explain.
- Explain password selection strategies and their significance.
(5 x 5 = 25 marks)
Part C
Answer all questions.
Each question carries 12 marks.
- What is meant by security services ? Explain different categories of security services.Or
- What is meant by transposition cipher ? Explain rail fence cipher and row transposition ciphers with example.
- With a neat sketch, explain about the DES encryption and decryption process with the internal structure of a single round of DES algorithm.Or
- Explain the key management of public key encryption in detail.
- Write down and explain SHA-512 algorithm.Or
- Discuss the overview of Kerberos. Explain Simple Authentication Dialogue and More Secure Authentication Dialogue, in Kerberos Version 4.
- What is PGP ? What are the services provided by PGP ? Explain.Or
- What is meant by firewalls ? Discuss about different types of firewalls.
- Define Intrusion Detection. Explain in detail about the various types of detection mechanisms.Or
- What are Security models ? Explain different types of Security models.
(5 x 12 = 60 marks)
