Shivaji University 2005 B.E Computer Science COMPUTER NETWORKS - university paper

Y-508
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-2) EXAMINATION, 2005
SHIVAJI UNIVERSITY, KOLHAPUR
COMPUTER NETWORKS

Day and Date: Tuesday, 24-05-2005 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


Q. one a) discuss ALOHA system.[Marks 8]

b) explain bridges and their kinds.[Marks 8]


Q.2 a) Draw the architecture of B-ISDN ATM reference model and discuss the functions of every layer in short. [Marks 8] [Marks 8]

b) discuss various collision free protocols.[Marks 8]


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 ‘IP protocol’.[Marks 6]


b) discuss crash recovery in transport layer.[Marks 6]


c) discuss Traditional Cryptography.[Marks 4]


Q7) a) discuss how digital signatures are used for authentication?[Marks 8]


b) discuss architecture and services of electronic mail.[Marks 8]


Q8. Write short notes on (any three) [Marks 18=6*3]

a) HTML


b) SNMP


c) IP addresses


d) WWW

Earning:   Approval pending.