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Posted Date: 04 Mar 2008 Posted By: Girish Patil Member Level: Diamond
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2006 Dr. Bhim Rao Ambedkar University(Agra University) B.E Computer Science Business Studies Question paper
S-501
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-2) EXAMINATION, 2007
COMPUTER NETWORKS
Total Marks: 100
Time: 10.00a.m. To 1.00p.m.
Instructions: 1) Attempt any three questions from each section.
2) Figures to right indicate full marks.
SECTION-1
Q1 a) Explain advantage and disadvantages of connection oriented service at network layer.[Marks 6]
b) What are the desirable properties of routing algorithms? Explain each in brief.[Marks 6]
C) Explain the use of ALOHA protocol in satellite network.[Marks 4]
Q.2 a) Explain working of distance vector routing in detail’[Marks 4]
b) What is “count to infinity” problem? How it is solved? [Marks 6]
c) What is congestion in computer network? List the reasons behind congestion. [Marks 6]
Q.3 a) Explain in brief the link state routing algorithm.[Marks 8]
b) What is flooding? How to overcome drawbacks in flooding?[Marks 8]
Q.4 a) Write short notes on (any three) [Marks 18=6*3]
1) Tunneling
2) Comparison between OSI and TCP/IP reference model.
3) Fragmentation
4) Leaky Bucket Algorithm
SECTION-2
Q5. a) Draw the TCP segment format and explain.[Marks 10]
b) Explain functions of network layer in ATM networks.[Marks 8]
Q 6. a) Explain in detail IP protocol.[Marks 8]
b) Explain functions of network layer in ATM networks.[Marks 8]
Q.7 a) Differentiate in between TCP and UDP.[8]
b) Describe service primitives and elements of transport protocol.[Marks 8]
Q 8. Write short notes on (any three) [Marks 18=6*3]
a) HTML
b) SNMP
c) IP addresses
d) WWW
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