Wednesday 19 December 2012

2011 B.Tech Information Technology Kerala University Sixth Semester B.Tech.Degree Examination,May 2011(2008 scheme) Question paper

Are you looking for the old question papers of Kerala University B.Tech IT? Here is the previous year question paper from Kerala University. This is the original question paper from the B.Tech IT sixth semester exam conducted by Kerala University in year 2011. Feel free to download the question paper from here and use it to prepare for your upcoming exams.

Reg.No:
Name:

(pages:2)2379
Sixth Semester B.Tech. Degree Examination,May 2011
(2008 Scheme)
Branch:Information Technology
08.602:COMPUTER NETWORKS(F)
Time:3 Hours Max.Marks:100
Instructions:i)Answer all questions from Part-A.Each question carries
4 marks.
ii)Answer any one question from each Module in Part-B.Each
question carries 20 marks.
PART-A

1.What is the role of the PUSH flag in a TCP header?

2.How does the p-persistent CSMA operate?

3.What is meant by promiscous mode of a LAN interface?

4.What is count-to-infinity problem?How is it handled?

5.What is meant by character stuffing ?

6.Why are Source Quench ICMP messages rarely used?

7.What are the functions of the session layer in the OSI model?

8.Where are class-D and class-E IP addresses used?

9.What is functionality offered by the LLC sublayer?

10.What is a DQDB network?

(10x4=40 Marks)


PART-B
Module-I
11.What is HDLC?What are the various types of HDLC frames?Explain.

12.a)Design and implement a simplex protocol for a noisy channel.
b)Why was the OSI model is not widely accepted?

Module-II
13.a)Compare the three IEEE 802 LAN standards with each other.
b)Congestion tends to feed upon itself.Why?

14.What is link state routing?Explain its implementation in detail.

Module-III
15.a)What is an exterior routing protocol?Explain any one in detail.
b)How is multicasting done in internet?

16.a)What are the timers used by TCP?How are they managed?
b)What is an H.323 Gatekeeper?

(3x20=60 marks)
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