SECTION-A
Introduction to Data Communication: Components of Data Communication, Data
Representation, Transmission Impairments, Switching, Modulation, Multiplexing.
Review of Network Hardware: LAN, MAN, WAN, Wireless networks, Internet works.
Review of Network Software: Layer, Protocols, Interfaces and services.
Review of Reference Models: OSI, TCP/IP and their comparison
Physical Layer
Transmission Media: Twisted pair, Coaxial Microwave, Infrared). Introduction Communication
Satellites. Cable, Fiber optics, Wireless transmission (Radio, to ATM, ISDN, Cellular Radio and
SECTION-B
Data Link Layer
Services provided by DLL: FRAMING, ERROR CONTROL, FLOW CONTROL, MEDIUM ACCESS
Medium Access Sublayer
Channel Allocation, MAC protocols–ALOHA, CSMA protocols, Collision free protocols,
Limited Contention Protocols, Wireless LAN protocols, IEEE 802.3, 802.4, 802.5 standards And their
comparison.
SECTION-C
Network Layer
Design Issues, Routing Algorithms (Shortest Path, Flooding, Distance Vector, Hierarchical, Broadcast,
Multicast). Congestion Control Algorithms (Leaky bucket, Token bucket, Load shedding),
Internetworking, IP Protocol, ARP,RARP.
Network Trouble Shooting
Using Ping, Trace route, IP config, Netstat, ns look
SECTION-D
Transport Layer
Addressing, Establishing and Releasing Connection, Flow Control, Buffering, Internet
Transport Protocol (TCP and UDP).
Application Layer
Domain name system, E-mail, File transfer protocol, HTTP, HTTPS, World Wide Web.