CNS Important Questions

UNIT-4

1. Explain key management and distribution in detail.

2. Define  Message Authentication code. Explain its functions and basic uses.    

3. Describe the steps in message digest generation in Secure Hash Algorithm in detail.

4. Explain the Digital Signature Algorithm

UNIT-5

1. Explain how email messages are protected using S/MIME signing and encryption?

2. Describe the services provided by PGP

3. Describe about SSL secure communication and SSL authentication.

4. Explain how authentication is performed in Kerberos.

UNIT-6

1. Define intruder. Explain the Intrusion detection System in detail

2. Briefly describe encapsulating a security payload.

3. Briefly describe various approaches for IDS/IPS.

4. Draw and discuss the Architecture of IPSec