Jawaharlal Nehru Technological University Hyderabad 2005-2nd Sem B.E Computer Science COMPUTER NETWORKS III B.Techester Regular s, il/ set 3 - Question Paper

Code No: RR320503 Set No.3
III B.Tech. II Semester Regular Examinations, April/May 2005
COMPUTER NETWORKS
( Common to Computer Science & Engineering,Information
Technology,Electronics & Control Engineering,Computer Science & Systems
Engineering and Electronics & Computer Engineering)
Time: three hours
ans any 5 ques.
All ques. carry equal marks
*******
Max Marks: 80
1. What is a sliding window protocol? What assumptions are made in sliding window
protocols? provide the algorithm for 1bit
sliding window protocol.
2. (a) Compare and contrast static snd dynamic channel allocation methods.
(b) What is the adaptive tree protocol? Why is it considered collision free protocol?
3. What is the link state protocol? discuss its functioning for the subsequent subnet.
explain the issues associated and their solutions in link state algorithm.
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fig attached beneath for (q)3
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4. (a) What is congestion? Why congestion control mechanisms differ for virtual
circuit subnets and datagram subnets?
(b) Enumerate the primitives of the transport service. How are they used in
transport layer?
5. (a) Draw the header part of UDP protocol. discuss the components . In what
application UDP is used and why?
(b) Draw the header part of the TCP protocols. discuss the usage of every field
in providing the transport service.
6. (a) Draw the ATM cell format. discuss how various fields in cell format are
used.
(b) Enumerate ATM adaption layers. How do they give various class of services
in ATM networks.
7. (a) What is WWW? provide its architecture. explain requirements of server side
and client side.
(b) What is SNMP? discuss usage of SNMP.
8. Write short notes on 3 of the following:
(a) Compare and contrast ISO/OSI and TCP/IP reference models
(b) Spanning tree and remote bridges.
(c) Comparison of Datagram and virtual circuit subnets
(d) Architecture of DNS.
3 of

B    2    C

Attachment: jawaharlal-nehru-technological-university-hyderabad-2005-b-e-computer-science-43421-1.bmp

Earning:   Approval pending.