2007 Anna University Chennai B.E Electrical and Electronics Engineering Computer Communication Networks Question paper for exam preparation. Question paper for 2007 Anna University Chennai B.E Electrical and Electronics Engineering Computer Communication Networks Question paper, Exam Question papers 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2012 university in india question papers. SiteMap
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2007 Anna University Chennai B.E Electrical and Electronics Engineering Computer Communication Networks Question paper

University Question Papers
2007 Anna University Chennai B.E Electrical and Electronics Engineering Computer Communication Networks Question paper
B.E. ECE
COMPUTER COMMUNICATION NETWORKS
6TH SEM
MAX 100
ANSWER THE FOLLOWING

PART A-(10*2=20)
1. What are the five important components of data communications?
2. Define Block coding and give its purpose.
3. What is Byte staffing?
4. Write the important of CRC in the network?
5. Sketch the Manchester encoding for the bit stream :0001110101.
6. What are the design goals of ATM?
7. Write any four Routing algorithms.
8. Name the protocols used for CSMA.
9. Defined authentication: Name any two authentication protocols.
10. Write any four popularity used cryptographic algorithms.

PART B-(5*16=80 marks)
11. (a)With a neat sketch, explain the functionality of each layer in an OSI model.
Or
(b)The baseband channel has a bandwidth of 1MHz. What is the data rate for this channel if any one of the following line coding schemes are used. Support your answer with diagrams.
(i) NRZ-L (ii) MLT-3
(iii)MANCHESTER (iv) NRZ –I
12.(a)Explain any one of the protocols used for flow control in noisy channels.
Or
(b)Write short notes on:
(i) Sliding windows
(ii) X-MODEM
13 (a) Explain the working concept of Token ring system with a MAC sublayer protocol.
Or
(b) Explain how the high speed LANs are connected using FDDI.
14 (a) Write short notes on:
(i) Flow based routing
(ii)Frame Reply
(iii)Packet switching
(iv)Gateway
Or
(b) Explain in details about the Asynchronous Transfer Mode and its layer.

15 (a) Explain the communication aspects of the protocol for transferring files in internet. Support your answer with an example.
Or
(b)With neat suitable diagrams, explain the architecture of Electronic-mail systems.,



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