Computer Networks
1. Differentiate WAN and LAN.
2. Describe the TCP/IP Reference Model with diagram.
3. Explain Circuit switching and message switching.
4. List the functions of (i) Routers (iii) Bridges.
5. State the terms Error Detection and Correction with respect to Data Transmission. Also describe the following concepts with respect to Error Detection and Correction:
a. Parity Bits
b. Cyclic Redundancy Check
6. Write short notes on
(i) Non-Persistent CSMA
(ii) 1-Persistent CSMA
(iii) P - Persistent CSMA.