Jawaharlal Nehru Technological University Hyderabad 2010-5th Sem M.C.A -Iester Regular s y/ust MOBILE COMPUTING - Question Paper

Code No: 48
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA-IV Semester Regular exams July/August 2010
MOBILE COMPUTING
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal Marks
- - -
1. define about the protocols of GSM?
2.a) discuss in detail about carrier sense multiple access(CSMA)
b) discuss in detail about demand assigned multiple access(DAMA) with a neat
sketch?
3.a) discuss about registration reply header.
b) define the messages that are used in optimized mobile IP protocol.
4.a) discuss in detail about selective retransmission technique in TCP?
b) discuss in detail Transaction oriented TCP?
5.a) discuss about caching invalidation mechanisms?
b) define the kinds of situations in situation aware computing?
6.a) Distinguish ranging from Push –based mechanism and pull based mechanism of data
dissemination?
b) discuss the classification of data delivery mechanism?
7. How does dynamic source routing handles the routing? What is the motivation
behind dynamic source routing compared to other routing algorithms from fixed
networks?
8. discuss the protocol stack of Bluetooth? discuss the core protocol element of
Bluetooth?
*****
R06

Earning:   Approval pending.