Dr Bhim Rao Ambedkar University 2006 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 3 ques. from every part.

2) Figures to right indicate full marks.


SECTION-1

Q1 a) discuss advantage and disadvantages of connection oriented service at network layer.[Marks 6]

b) elaborate the desirable properties of routing algorithms? discuss every in brief.[Marks 6]

C) discuss the use of ALOHA protocol in satellite network.[Marks 4]


Q.2 a) discuss 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) discuss 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 ranging from OSI and TCP/IP reference model.

3) Fragmentation

4) Leaky Bucket Algorithm

SECTION-2


Q5. a) Draw the TCP segment format and discuss.[Marks 10]

b) discuss functions of network layer in ATM networks.[Marks 8]


Q 6. a) discuss in detail IP protocol.[Marks 8]

b) discuss functions of network layer in ATM networks.[Marks 8]


Q.7 a) Differentiate in ranging from TCP and UDP.[8]

b) define 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

Earning:   Approval pending.