please let me have the previous year question paper of network routing algorithm of M.E Communication and Networking.
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Two Year M. Tech II Semester Regular Examinations September - 2012 COMPUTER NETWORKS
1 a) List the 7 layers in OSI hierarchy and their functions. Why such a hierarchical approach
to networking is is utilized.
8M
b) Consider a wired point-to-point network. List some performance measures. 4M
2 a) Explain the concept of Multiple Access Protocols and give few examples. Explain why
researchers proposed new protocols and reason why they are better.
8M
b) Q: Can I deploy a LAN without IP address? If yes, how are the nodes addressed in such
a LAN?
4M
3 a) Consider a wired point-to-point network. All the nodes use the shortest path routing
(with hop count metric/cost).
Q: What is the maximum delay experienced by packets (in the data structure
associated with such a network……ignore queuing, propagation and processing delays)
6M
b) With an example explain the Bellman-Ford algorithm (let there be at least 8 nodes) 6M
4 a) Explain the operation / details of TCP 4M
b) Explain the reasons why congestion control is needed (with TCP). Explain some
congestion control methods with TCP.
8M
5 a) What is the difference between peer-to-peer system and client-server system /
network? Give couple of examples of peer-to-peer networks.
7M
b) Name few application layer based protocols in the internet. 5M
6 a) Explain how Mobile Internet (Mobile IP) protocol works. 6M
b) Explain details of IEEE 802.11 based wireless network(in terms of the MAC protocols) 6M
7 a) List down some optical networking devices / components and briefly explain their
operation.
4M
b) Explain the concept of WDM used in optical networks. 8M
8 a) Explain the need for VPN’s.
Q: Is it necessary that every node of a VPN should have an IP address. Explain your
answer.
6M
b) What are the design challenges in multimedia networking