Vinayaka Missions University 2008 B.E Information Technology computer network bank - Question Paper

VINAYAKA MISSIONS UNIVERSITY
V.M.K.V ENGINEERING COLLEGE, SALEM-636 308
DEPARTMENT OF info TECHNOLOGY
COMPUTER NETWORKS
ques. BANK
THIRD YEAR
SEMESTER: V


UNIT – I
PART A

1. define the need and use of Data communication.
2. List out the five components of Data communication.
3. describe Network.
4. State the categories of networks.
5. Mention the kinds of connections.
6. describe Topology.
7. Specify the kinds of topologies.
8. describe Protocol.
9. List out the OSI Layers.
10. Distinguish ranging from Protocols and Standards.
11. How are the guided media differing from unguided transmission media?
12. List out the disadvantages of optical fiber.
13. Write down the propagation kinds.
14. define the need and use of modems.
15. Write a note on space propagation.
16. List out the specifications of the Bell modems.
17. Write down the advantages of optical fiber.
18. Write down the advantages of Mesh topology.
19. define the need and use of Bus topology.
20. Write a note on line configuration.
21. Expand UTP.
22. Write down the two relationships of topologies.
23. List out the three characteristics of data communications.
24. define the need and use of real – time transmission.
25. List the categories of standards.


PART – B
1. Discuss in detail about Data Communication.
2. Describe in detail about categories of networks.
3. Explain in detail about Topologies.
4. With a neat sketch discuss OSI layers.

5. Briefly discuss about classifications of transmission media.
6. Write a note on the following:
i) Coaxial Cable
ii) Optical Fiber
iii) Twisted Pair
7. Illustrate the concepts of modems.
8. Discuss in detail about kinds of connections.
9. Briefly discuss about distributed processing and network criteria.
10. Describe in detail about protocols and standards.

UNIT-II
Part A
1. List the responsibilities of data link layer.
2. Specify the kinds of errors.
3. Expand VRC.
4. Describe the need and use of Hamming Code.
5. Mention the function of go-back N-ARQ.
6. Specify the various types of Ethernet networks.
7. Expand CRC.
8. Mention the kinds of fault correcting methods.
9. How does a single bit fault differ from a burst error?
10. Specify the function of stop and wait flow control.
11. Specify the function of token passing.
12. Expand FDDI.
13. Define checksum.
14. Expand SONET.
15. List the SONET devices.
16. Write down the SONET layers.
17. Mention the function of photonic layer.
18. Specify the kinds of Bridges.
19. Write a note on transparent bridge.

Earning:   Approval pending.