Computer Network –structure and architecture. Topology of networks, Transmission modes- categories of networks- The OSI reference model-Transmission Media, Switching methods.

Data Link layer – Design issues, Error correction and detection, Protocols, Ethernet, Wireless LANS, Bluetooth, Medium access sub layer : channel allocations.

Network Layer - Design issues , routing algorithms, congestion control algorithms. Transport layer- Design issues .

Application layer – Cryptography, DNS, SMTP, SNMP.

TCP/IP: Introduction to TCP/IP – Addressing –Sub-netting.

1.James F. Kurose and Keith W. Ross, ‘Computer Networking’, 2nd Edition, Pearson Education, 2003.

2. Tanenbaum, A.S., 'Computer Networks', 3rd Edition, Prentice Hall of India, 1999.

3. Stallings, W., 'Data and Computer Communication',PHI,5th edition, 2000.