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Posted Date: 04 Dec 2011      Posted By:: M.AKSHAY    Member Level: Bronze  Points: 5 (Rs. 1)

2010 Osmania University M.Sc Computer Science Mobile Computing Question paper

Course: M.Sc Computer Science   University/board: Osmania University

Faculty of Science
M.Sc IV-Semester Examination April/May 2010
Mobile Computing

Section A - (Marks: 8 x 5 = 40)
Answer all the questions.

1. Benefits of spread spectrum.

2. Notes on wireless & mobile devices.

3. Explain format of Bluetooth packet.

4. Reasons for development of WATM.

5. General problems of mobile IP regarding security & support of quality of service.

6. How & why does I-TCP isolate problems on wireless link? What are the main drawbacks of this solution?

7. Explain WDP.

8. Explain WML.

Section B - (Marks: 4 x 15 = 60)
Answer all the questions.

9. (a) Main problems of signal propagation. Why do radio waves do not follow straight line?
Why is reflection both useful & harmful?

(b) (i) Explain CSMA/CD.
(ii) Explain problem of hidden & exposed, far & near terminals.

10. (a) Advantages & disadvantages of wireless LANs
(b) Protocol architecture of hiperlan.

11. (a) Advantages & disadvantages of adhoc networks.
(b) Explain about indirect TCP. What are the advantages & disadvantages of itcp?

12. (a) Features of wireless session protocol.
(b) Wireless telephony application in detail.

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