EC2035 Cryptography And Network Security November December 2014 Question Paper

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Question Paper Code : 913791

B.E. / B.Tech. DEGREE EXAMINATION NOVEMBER / DECEMBER 2014

Seventh Semester

Electronics and Communication Engineering

EC 2035/EC 702110144· ECE 23 - CRYPTOGRAPHYAND NETWORK SECURITY

(Regulation 2008/2010)

Time : Three hours
Maximum: 100 marks

Answer ALL questions,
PART A-(10 x 2 = 20 marks)
1. Differentiate between passive and active attacks.
2. What would be the transformation of a message "A successful teamis a group
of many hands but of one mind "using Rail Fence technique?
3. What is a trap-door one way function? .
4. Using Fermat's theorem, find 5301 mod U.
5. Distinguish between entity authentication and message authentication.
6. Explain weak collision proper~y of a hash function.
7. Why does anESP include a padding field?
8. What is a worm? What is the difference between a worm and a virus?
9. What is a threat? How it differs from Vulnerability?
10. List the different security management practices.

Full Name :Arumugam.P
College Name :SNS COLLEGE OF TECHNOLOGY
Department :ECE
Semester :07
Subject Code :EC2035
Subject Name :CRYPTOGRAPHY AND NETWORK SECURITY
Study Material Description :QP

Attachment : 
  EC2035 CANS Nov Dec 2014 QP V+.pdf (Size: 141.25 KB / Downloads: 2,390)

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