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COMPUTER NETWORKS


MC9231          COMPUTER NETWORKS                                     
L T P C
                                                                                                                                3 0 0 3
UNIT I            INTRODUCTION                                                                                        9
Communication model – Data communications networking – Data transmission concepts and terminology – Transmission media – Data encoding – Data link control.

UNIT II            NETWORK FUNDAMENTALS                                                                 9
Protocol architecture – Protocols – OSI – TCP/IP – LAN architecture – Topologies – MAC – Ethernet, Fast ethernet, Token ring, FDDI, Wireless LANS – Bridges.

UNIT III           NETWORK LAYER                                                                                    9
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                                                                              9
Transport layer – Reliable delivery service – Congestion control – Connection establishment – Flow control – Transmission control protocol – User datagram protocol.

UNIT V            APPLICATIONS                                                                                         9
Applications – Sessions and presentation aspects – DNS, Telnet – rlogin, – FTP – SMTP – WWW – Security – SNMP.
                                                                             
                                          TOTAL = 45
REFERENCES:

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.




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