Download JNTUA MCA 2014 Oct Supply 4th Sem 06MC405B Mobile Computing Question Paper

Download JNTUA (JNTU Anantapur) MCA (Master of Computer Applications) 2014 Sept-Oct Supplementary 4th Sem 06MC405B Mobile Computing Question Paper

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Code: 06MC405B
MCA IV Semester Supplementary Examinations September/October 2014
MOBILE COMPUTING
(For students admitted in 2008 only)
Time: 3 hours Max Marks: 60
Answer any FIVE questions
All questions carry equal marks
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1 Discuss in brief about IEEE 802.11 standard.

2 What is the need for a specialized MAC layer protocols for wireless networks? Explain in
detail about SDMA and CDMA.

3 (a) Write about the process of packet delivery in mobile network layer.
(b) Discuss about the tunneling, reverse tunneling and encapsulation in detail.

4 Write short note on the following:
(a) Indirect TCP.
(b) Mobile TCP.
(c) Selective retransmission.

5 (a) Write about the various cache invalidation mechanisms.
(b) Discuss in brief about various transactional models in mobile computing environment.

6 What do you mean by pull based, push based and hybrid data dissemination mechanisms?
Explain one technique in each category.

7 (a) Explain why the conventional routing algorithms are not sufficient for routing in MANETs.
(b) Write in detail about DSDV and AODV in detail.

8 Discuss in brief about the facilities provided in J2ME for implementing WAP and Bluetooth.
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This post was last modified on 28 July 2020