Network Security 2018 Question Paper — Government College of Engineer…

The 2018 Network Security previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.

Instructions

Attempt five questions in all selecting at least two questions from each Section.
Each question carries 20 marks.

Attempt at least two questions from each Section. Each question carries 20 marks.

QQ1. a) Define Network Security? Explain its key principles with example. (10) b) Define Cyber Attack? Distinguish between Passive & Active Attacks? Justify your answer with example (10) [20 marks]
QQ2. a) Distinguish b/w Substitution & Transposition Cipher Techniques? Discuss any two approaches of both with example. (10) b) Define Steganography? Explain its working procedure? (10) [20 marks]
QQ3. a) State & explain the working principle of Diffie Hellman Key Exchange Algorithm with one example? (10) b) Define DES? Explain its working procedure? (10) [20 marks]
QQ4. a) Define HMAC? How it is more secure than MAC? (10) b) State & explain the working procedure of RSA algorithm with one example. (10) [20 marks]

Attempt at least two questions from each Section. Each question carries 20 marks.

QQ5. a) Define Security Metrics? Discuss their Classification. (10) b) What do you mean by Information Security Laws? Discuss in brief about Intellectual Property Rights(IPR) & Patent Laws. (10) [20 marks]
QQ6. a) Define Firewall? Distinguish b/w Packet Filter & Application Gateway FBs. (10) b) Define IP-Security? Explain its architecture with diagram. (10) [20 marks]
QQ7. a) What is Intrusion Detection System (IDS)? Explain different methods for implementing IDS. Enlist their merits & de-merits (20) [20 marks]
QQ8. Write short notes about :- (5*4) i) Cyber Phishing ii) Digital Signature iii) Malware iv) Hash Function [20 marks]