MC November 2009 Set4

IV B.Tech I Semester Regular Examinations, November 2009
MOBILE COMPUTING
(Common to Computer Science &Engineering, Information Technology,
Electronics &Computer Engineering)
Time: 3 hours Max Marks: 80
Answers any Five Questions
All Questions carry equal marks
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1. (a) Explain the protocol of GSM. [8]
(b) Explain in detail about GSM services. [8]
2. (a) Explain how multiple Access with collision Avoidance(MACA) can avoid hidden
terminals and exposed terminals problems. [8]
(b) Explain TDMA and its features. [8]
3. (a) What is the purpose of DHCP? Explain client initialization via DHCP. [8]
(b) Discuss about agent advertisement and delivery. [8]
4. (a) Explain the concept of Fast Retransmit/Fast Recovery in traditional TCP. [8]
(b) Explain snooping TCP. What are its advantages and disadvantages? [8]
5. (a) Explain in detail about context aware computing. [10]
(b) Explain the issues relating to Quality off service in mobile networks. [6]
6. (a) Explain communication asymmetry with the help of diagrams. [8]
(b) Explain interleaved push-pull based data delivery mechanism. [8]
7. (a) Write detailed notes on mobile Ad-hoc networks? [8]
(b) Explain Destination sequence distance vector routing algorithm in MANETs. [8]
8. (a) Explain different user scenarios of Bluetooth. [6]
(b) Explain wireless session protocol (WSP) of the session layer [10]