III/IV---DATA COMMUNICATIONS SYLLABUS (Osmania University)

UNIT–I
Data Communication and Networking Overview, Protocol Architectures: OSI, TCP/IP and ATM. Data transmission, Guided and Wireless transmission.
Data Encoding: digital data-digital signals, digital data-analog signals, analog data-digital signals, analog data-analog signals

UNIT–II
Multiplexing, Circuit switching and Packet switching, Digital Data Communication Techniques, Asynchronous and Synchronous transmission, DSL and ADSL.

UNIT–III
Data Link Control: Error detection techniques, interfacing. Line configurations, Flow control, Error control, Data link control protocols, Protocol verification

UNIT–IV
Local Area Networks, LAN Technologies, MAC sub layer, CSMA/CD, Token Ring, Fibre channel, IEEE Standards, High Speed LAN: Switched, Fast, Gigabit Ethernets.

UNIT–V
Wireless LANs, 802.11 Broad band wireless, 802.16 Bluetooth, Bridge, Spanning Tree Bridge, Source Routing Bridge, Repeaters, Hubs, Switches, Routers and Gateways, Virtual LANs.


Suggested Readings:
1. William Stallings, Data and Computer Communications, 8thEdition, Prentice Hall of India, 2012

2. Andrew S. Tanenbaum, David J. Wetherall, Computer Networks, 5thEdition, Pearson, 2012