Read Another Year Question Papers

Cryptography & Network Security Old Paper [2016] in Diploma

Course: 05, 12
Code: 5019

Year/Sem.:  III Year / V Sem

Time: 2.30 Hrs.     M.M.: 75

Note: Attempt all questions. All questions carry equal marks.

1. Attempt any two    7.5*2=15
  a) Explain Indian Cyber Law (I T Act 2000). Also, explain cyber ethics.
  b) What is a firewall? Define firewall logging in detail.
  c) What is hacking in-network? Explain.

2. Differentiate following any three.   5*3=15
  a) Active Vs Passive attacks
  b) Encryption Vs Decryption
  c) Virus Vs Worms
  d) Intranet Vs Extranet networks

3. Define VPN with the help of a diagram. Explain VPN key exchange and security policy in brief.  15
What is computer network attacks? Explain different types of network attacks and threats in detail.   15

4. Attempt any two.  7.5*2=15
  a) What is a digital signature? Explain with the help of a diagram.
  b) Explain the symmetric and asymmetric key cryptography.
  c) Write down the RSA algorithm, also explain it with an example.

5. Write short notes on any five.  3*5=15
(a) Ethical Hacking     (b) SSL
(c) Types of Firewall    (d) IDS
(e) DES    (f) Trojans
(g) Authentication failures