DCCN (MCA 2nd)

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.