DATA NETWORKS

Paper Code: 
BCA 405
Credits: 
04
Periods/week: 
04
Max. Marks: 
100.00
Objective: 

This module will help students to learn various Data Communication and networking concepts.

 

12.00
Unit I: 

Data Communications: Components, Data Representation and Data flow; Networks: Distributed Processing, Network Criteria, Network Models, Categories of networks and Internetwork; Internet and Protocols and Standards.

Network Models: Layered tasks, the OSI model, Layers in the OSI Model, TCP/IP protocol Suit, Addressing.

 

12.00
Unit II: 

Data and Signals: Analog and Digital Data, Analog and Digital Signals, Periodic and Non periodic Signals, Transmission impairment, Data rate limits and Performance.

Digital Transmission: Digital to Digital Conversion, Analog to Digital Conversion and Transmission modes.

 

15.00
Unit III: 

Multiplexing: FDM, WDM, Synchronous TDM and Statistical TDM.

Transmission Media: Guided media and Unguided media (Wireless Transmission).

Switching: Circuit switched networks, Datagram networks, Virtual Circuit networks and structure of a switch.

 

10.00
Unit IV: 

Error Detection and Correction: Introduction, Block coding, Linear block codes, cyclic codes, Checksum.

                        

11.00
Unit V: 

Data Link control : Framing, Flow and Error Control, Protocols, Noiseless channels, Noisy channels.

 

ESSENTIAL READINGS: 
  1. Behrouz A. Forouzan, “Data Communication and Networking”, 4th edition, Tata Mc Graw Hill, 2006.

 

REFERENCES: 
  1. A. S. Tanenbaum, “Computer Networks”, Pearson Education Asia, 4th Ed., 2003.
  2. William Stallings, “Data and computer communications”, Pearson education Asia, 7th Ed., 2002. 

 

Academic Year: 
2014-15
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