Network security - Important Questions

 

Part- A                                                                                    (5x2=10)

Answer ALL Questions

1.      What is secret key?

2.      What is cryptography?

3.      Define AES algorithm.

4.      Define DES algorithm.

5.      Define cryptanalysis.

Part – B                                                                                   (4x5=20)

Answer ALL Questions

1.      Explain about Brute force attack (OR)

2.      Short note on monoalphabetic ciphers.

3.      Write about the playfair ciphers (OR)

4.      Short note on one time pad.

5.      Briefly explain about steganography. (OR)

6.      Short note on transposition ciphers.

7.      Write about the digital signature algorithm. (OR)

8.      Discuss about the diffie helman.

Part – C                                                                                  (2x10=20)

Answer any TWO Questions

1.      Explain about the Classical Encryption techniques.

2.      Explain about Public key encryption and RSA algorithm.

3.      Discuss about the hash functions.