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Code No: D5804, D0504
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
M.Tech II - Semester Regular Examinations September, 2010
ADVANCED COMPUTER NETWORKS
(COMMON TO COMPUTER SCIENCE & ENGINEERING, COMPUTER SCIENCE)
Time: 3hours Max.Marks:60
Answer any five questions
All questions carry equal marks
- - -
1. a) List two advantages and disadvantages of having international standards for
Network protocols.
b) Compare circuits switching and packet switching techniques.
2. a) Describe random access protocols with their merits and demerits.
b) Data is to be transmitted from Hyderabad to Bangalore. The data was CRC coded
at Hyderabad to Bangalore. The data was CRC coded at Hyderabad using the
devisor 10101. The data 1100100101011 was received at Bangalore. How would
you find whether the received data is exact one sent from Hyderabad?
3. What is routing and explain the Non-least cost path algorithms with an example?
4. a) Discuss least-cost-path routing algorithms.
b) Compare Intra-domain and inter-domain routing protocols.
5. a) Why is UDP needed? Why can’t a user program directly access IP?
b) Explain TCP congestion control.
6. a) What are the principles of application layer protocol?
b Define: i) Switch ii) Wireless network iii) Protocol iv) Bridger.
7. a) Describe the optical Routers?
b) Explain the function of basic optical Networking devices.
8. Explain Routing in ad-hoc Networks and Routing protocol for ad-hoc Networks.
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R09
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