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High Performance Computer Networks 1st JJ12 CP9212

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M.E. DEGREE EXAMINATION, JUNE 2012.
First Semester
Communication Systems
CP 9212/250102/CP 912/AP 957/10244 CC 203—HIGH PERFORMANCE
COMPUTER NETWORKS
(Common to M.E. Applied Electronics/M.E. Computer and Communication and M.E. Networking and Internet Engineering)
(Regulation 2009)

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PART A — (10 × 2 = 20 Marks)

1. List the functions of the layers in a TCP/IP stack.
2. State and explain any four ATM QoS parameters.
3. State some characteristics of multimedia networking applications.
4. What is meant by best effort service?
5. List the benefits of VPNs.
6. Explain traffic engineering in brief.
7. What is meant by a queuing system?
8. What is meant by self similarity pattern?
9. Explain the ways in which a packet filtering firewall takes care of filtering decisions.
10. List the five areas of network management.

PART B — (5 × 16 = 80 Marks)

11. (a) (i) List and explain the types of wired media in detail. (8)
(ii) Explain in detail about packet and circuit switching. (8)
Or
(b)(i) Explain the working DWDM. (8)
(ii) Discuss in detail the various ATM service categories. (8)

12. (a)(i) Explain the working of Real Time Streaming Protocol in detail. (8)
(ii) Schematically explain the leaky bucket policing in detail. (8)
Or
(b)(i) Discuss in detail about traffic classification and conditioning. (8)
(ii) Explain the working of RSVP protocol and its message types in detail. (8)

13. (a)(i) What are tunneling and point to point protocol? Expalin. (8)
(ii) Explain multiprotocol label switching label switching in detail. (8)
Or
(b)(i) Explain in detail about the working of overlay networks. (8)
(ii) Explain in detail about P2P protocol. (8)

14. (a)(i) State and explain in detail about Little’s theorem. (8)
(ii) Explain the Poisson modeling and its failure in detail. (8)
Or
(b)(i) Discuss in detail the non poisson arrival model with an example. (8)
(ii) Explain how traffic modeling helps in network management. (8)

15. (a)(i) Explain the Kerberos key distribution and certification with a neat diagram.(8)
(ii) Explain the ways in which message digests can be generated. (8)
Or
(b) Explain the Internet management framework and its components in detail. (16)

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