Shivaji University 2005 B.E Computer Science COMPUTER NETWORKS - Question Paper

H-492
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-2) EXAMINATION, 2005
SHIVAJI UNIVERSITY, KOLHAPUR
COMPUTER NETWORKS

Day and Date: Wednesday, 9-12-2005 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.1 a) discuss the need for framing. How framing is done using physical layer coding violation technique[Marks 5]

b) Compare various techniques used for fault control at data link layer. [Marks 5]

c) Write a code for 1 bit sliding window protocol. [Marks 10]


Q.2 a) elaborate the various kinds of services given by network? provide suitable application for every kind of services, with justification. [Marks 10]

b) Draw TCP/IP reference model and discuss about every layer in it.[Marks 5]


Q.3 a) state 5 key assumptions made for dynamic channel allocation in LAN’ which of those are applicable for CSMA/CD? [Marks 10]


b) Under which circumstances Performa Nance of CSMA/CD degrades?[Marks 5]

Q.4) a) explain desirable properties of routing algorithm. [Marks 5]


b)Adaptive routing algorithms can’t be used for virtual circuit subnet. actual or false? Justify your ans.[Marks 10]





SECTION-2


Q5. a) write a neat diagram discuss token bucket algorithm used for congestion control.[Marks 10]

b) discuss packet discard policies used for load shading. [Marks 5]

c) What is jitter control? [Marks 5]

Q.6 a) what is need for various classes of IP addresses. [Marks 5]

b) With a neat diagram discuss use of special IP addresses. [Marks10]

Q7) a) discuss various scenarios for releasing a connection using 3 way hand-shaking.[Marks 10]

b) With their meaning list the primitives used to implement simple transport services.[Marks 5]

Q8. Write short notes on (any two) [Marks 15]

a) E-MAIL
b) HTML
c) ICMP

Earning:   Approval pending.