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 this Section.

Q1. (a) What is a Network Security Policy ? Discuss in brief the key aspects of good security policy. (10) (b) Write in brief the term : IP-Spoofing, Cyber-Phishing and Cookies. (10) [20 marks]
Q2. (a) Explain the working methodology of Play-Fair Cipher Algorithm. (10) (b) Define Algorithm Modes. What are potential weaknesses of ECB mode ? How can it be overcome using CBC mode ? (10) [20 marks]
Q3. (a) Define Cryptography. Differentiate Private Key Cryptography and Public Key Cryptography with diagram. Enlist their merits and demerits. (10) (b) Define DES Algorithm. How does it differ from AES ? Explain it. (10) [20 marks]
Q4. (a) Explain the working procedure of RSA Algorithm with example. (10) (b) Define MAC. How does it differ from Message Digest ? Explain its working procedure. (10) [20 marks]

Attempt at least two questions from this Section.

Q5. (a) Explain different protocols for implementing Web Security. (10) (b) What is a Virus ? Discuss its types. How does it differ from Trojans ? (10) [20 marks]
Q6. (a) What is the technical significance of VPN in Network Security ? (10) (b) What is a Firewall ? How does it work ? Discuss its types. (10) [20 marks]
Q7. (a) What are Cyber Security Tools ? Discuss their classification. (10) (b) What do you mean by IT Act, 2000 ? Discuss their significance in Cyber World. (10) [20 marks]
Q8. Write short notes about : (i) IKE (5) (ii) S/MIME (5) (iii) Rail Fench Technique (5) (iv) Information Security. (5) [20 marks]