31-10-2012, 12:11 PM
Supplementary Examinations, February/March - 2011 MOBILE COMPUTING question paper
MOBILE COMPUTING.pdf (Size: 146.67 KB / Downloads: 56)
1. a) Explain the applications of mobile computing.
b) Where and when can collisions occur while accessing the GSM system? Compare
possible collisions caused by data transmission in standard GSM, HSCSD and
GPRS.
2. a) What are the benefits of reservation schemas? How are collisions avoided during
data transmission, why is the probability of collisions lower compared to classical
Aloha?
b) What is CDMA? Explain in detail.
3. a) What is the main purpose of registration of a mobile node? Explain in detail.
b) Write short notes on IPv6.
4. a) Describe transaction oriented TCP.
b) Explain Mobile TCP. How does a supervisory host send TCP packets to the mobile
node and to a fixed TCP connection.
5. a) Explain about power aware computing.
b) Explain the data recovery processing in detail.
6. a) Explain push based data delivery mechanisms in detail.
b) Explain the following selective tuning and indexing techniques.
i). Directory method
ii). Flexible indexing method
7. a) How does dynamic source routing handle routing? What is the motivation behind
dynamic source routing compared to other routing algorithms for fixed networks.
b) Describe security problems in MANETs.
8. a) What are advantages and problems of forwarding mechanism in Bluetooth
networks regarding security ,power Saving and network Stability?
b) Explain about the wireless application Environment (WAE) logical model.