UNIT 1:
Importance of computer networks, broadcast and point to point networks, Local area networks and Wide area networks , Introduction to ISO-OSI reference model, TCP/IP reference model , function of each layer, interfaces and services, Protocol data unit, connection oriented and connectionless services, service primitives, comparison of TCP/IP and ISO-OSI reference model, Novel Netware, Arpanet , X.25

UNIT 2:
Data-Link layer: - Data link layer design issues, framing , flow & error control , physical addressing, Stop & Wait protocol ,Go back N ARQ ,selective repeat ARQ ,piggybacking and pipelining ,HDLC LAN Protocol stack-Logical link control and Media Access Control sublayer, IEEE 802.2 LLC Frame format Data link layer in the internet, Serial line IP and Pont to point protocol.

UNIT 3:
MAC layer Protocols- , static and dynamic allocation , Pure and slotted ALOHA protocols, Carrier sense multiple access, Persistent and non persistent CSMA, IEEE standard 802.3 and Ethernet,802.3 cabling, IEEE 802.4, IEEE 802.5, FDDI Wireless LAN , Comparison of wired and wireless LAN, WIMAX

UNIT 4:
The Network layer- logical addressing, classful & classless addressing , address mapping, packet delivery & forwarding. unicast routing protocols, multicast routing protocols, Routing algorithmLeast Cost, Dijkstra's, Bellman-ford, congestion control algorithms, Internetworking devices, Introduction to Internet protocol IPv4.

UNIT 5:
Transport layer-Transport services , Process to process delivery, UDP ,TCP ,congestion control, quality of service , Integrated services, Differentiated services, LAN-WAN Design and implementation-Configuring TCP/IP, using Ipconfig, ping command , study of structured LAN, study of internetworking devices and their configuration– switches, hubs, Bridges, routers and Gateways