Osmania University (OU) 2009 M.Sc Computer Science Computer Network and Internet Protocols - Question Paper

Faculty of Science
M.Sc I-Semester Examination, April/May 2009
COMPUTER SCIENCE
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Paper -- 2.3 (Computer Network and Internet Protocols)
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part -- A (Marks: eight X four = 32)
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1. Differentiate ranging from circuit switching and packet switching.
2. describe the subsequent (i) Channel Capacity (ii) Data Rate (iii) Band Width (iv) Noise.
3. List the important Characteristics of an interface.
4. provide the HDLC frame structure.
5. Write about LLC Services.
6. explain the functions of Bridges.
7. discuss Tunneling.
8. Depict the various TCP connection establishment scenarios.

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part -- B (Marks: four X 12 = 48)
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9. (a) With a neat diagram discuss the elements of data communication model and their functions.

(OR)

(b) Write about the subsequent modulation schemes. (i) PCM (ii) Delta.

10. (a) define synchronous TDM and compare it with statical TDM.

(OR)

(b) discuss the various kinds of flow control mechanism.

11. (a) With a neat diagram discuss the IEEE protocol architecture.

(OR)

(b) discuss the various asynchronous medium access control techniques.

12. (a) discuss TCP timer management.

(OR)

(b) With example discuss Link state Routing Mechanism.

Earning:   Approval pending.