UNIT 1

OSI, TCP/IP

UNIT 2

TRANSMISSION MEDIA COPPER,TWISTED PAIR WIRELESS,NARROW BAND,BROAD BAND ISDN ATM

UNIT 3

ERROR CORRECTION N DETECTION,SLIDING WINDOW, DATALINK LAYER IN HDLC

UNIT 4

BRIDGES (2TYPES), ALOHA (PROBLEMS), IEEE 802X(TYPES)

UNIT 5

BROADCAST ROUTING , CONGESTION CONTROL, VIRTUAL CKT N DATAGRAM SUBNET, ROUTING ALGORITHMS (ANY)

UNIT 8

DNS, RSA ALGORITHMS, ELECTRONIC MAIL.....

Note : Imp topics , not important questions , so better to have concept on these topics !!