Code No. A7801
JAWAHARLAL NEHRU TECHNOLOGY UNIVERSITY, HYDERABAD
M. Tech. I Semester Regular Examinations, March – 2009
ADVANCED COMPUTER NETWORKS
(Computer Networks & Information Security)
Time: 3 hours Max. Marks.60
Answer any Five questions
All questions carry equal marks
1.a) Explain the 5 layer TCP/IP model.
b) List two advantages and disadvantages of having international standards for Network protocols.
2.a) Describe the multiple access protocols.
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) Compare the individual fields of the IPV4 leader with the IPV6 header.
b) Differentiate between the Intradomain multicast protocols and Inter domain multicast protocols.
5.a) Why is UDP needed? Why can’t a user program directly access IP?
b) Explain the file transfer protocols.
6.a) What is virtual private network? Explain:
b) Define: i) Switch ii) Wireless network iii) Protocol iv) Bridger.
7.a) Explain the wireless mesh networks with diagrammatical representation.
b) Describe the optical Routers?
8. Write a short notes:
a) Stream control transmission protocol
b) Clustering protocols