Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R19 2021 July-August 864AD Mobile Computing Previous Question Paper
R19
Code No: 864AD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
2021 MCA IV Semester Examinations, July/August - 2021
MOBILE COMPUTING
Time: 3 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
- - -
1.
Explain about the system architecture of a GPRS system with a neat sketch.
[15]
2.a)
Elaborate the Hidden and Exposed station problems in mobile environment.
b)
Explain about the Code Division Multiple Access technique.
[7+8]
3.a)
How a packet is delivered in Indirect TCP? Explain in detail.
b)
Explain about Generic Routing encapsulation.
[8+7]
4.
What is selective tuning and indexing? Explain different mechanisms of it.
[15]
5.a)
What is MANET? What are the characteristics of MANETs?
b)
How to pass messages using Dynamic Source Routing algorithm.
[7+8]
6.a)
Explain about the registration request header in mobile IP.
b)
Discuss in detail about IP tunneling mechanism.
[7+8]
7.
What is Data Cache Inconsistency? Enumerate various methods used for data cache
consistency.
[15]
8.
Explain about one-to-many and many-to-many data synchronization mechanisms in
mobile computing systems.
[15]
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This post was last modified on 17 March 2023