problem 1:

Make a distinction between the term LAN and WAN.

problem 2:

Illustrate out the TCP/IP Reference Model with diagram.

problem 3:

Illustrate out Circuit switching and message switching.

problem 4:

prepare down the functions of (i) Routers (iii) Bridges.

problem 5:

Illustrate out the terms Error Detection and Correction concerning Data Transmission. Also describe the following concepts with respect to Error Detection and Correction:

I. Parity Bits 

II. Cyclic Redundancy Check

problem 6:

prepare down a detailed note on (i) Non-Persistent CSMA (ii) 1-Persistent CSMA (iii) P – Persistent CSMA.