1) describe the ISO reference model layers.

2) Describe the computer network architecture. describe any of the three architecture.

3) describe the CSMA/CD LAN protocol and architecture.

4) describe the use of sliding window protocol. Discuss the working principle.

5) describe how the congestion control is done in the datagram networks. Describe any two algorithms for that.

6) Discuss how routing is done in the distance vector routing along with the help of ex sub –net.

7) Describe the M/G/I queuing model.

8) prepare a brief notes on the following:

a) Dynamic buffer and block storage.

b) Multi-user queues

9) prepare a brief note on the following:

a) Cryptography

b) Remote procedure call.

10) prepare a brief note on:

a) FTAM

b) E-mail.