Communication model Data communications networking Data transmission concepts
and terminology Transmission media Data encoding Data link control.
UNIT II NETWORK FUNDAMENTALS
Protocol architecture Protocols OSI TCP/IP LAN architecture Topologies
MAC Ethernet, Fast ethernet, Token ring, FDDI, Wireless LANS Bridges.
UNIT III NETWORK LAYER
Network layer Switching concepts Circuit switching networks Packet switching
Routing Congestion control X.25 Internetworking concepts and X.25 architectural
models IP Unreliable connectionless delivery Datagrams Routing IP datagrams
ICMP.
UNIT IV TRANSPORT LAYER
Transport layer Reliable delivery service Congestion control Connection
establishment Flow control Transmission control protocol User datagram protocol.
1. Larry L. Peterson & Bruce S. Davie, Computer Networks A systems
Approach, Second Edition, Harcourt Asia / Morgan Kaufmann, 2000.
2. William Stallings, Data and Computer Communications, Fifth Edition, PHI,
1997.