MOBILE COMPUTING JNTU UNIVERSITY PREVIOUS YEAR QUESTION PAPER FOR FINAL YEAR FIRST SEMESTER CSE AND IT STUDENTS

MOBILE COMPUTING JNTU UNIVERSITY PREVIOUS YEAR QUESTION PAPER FOR  FINAL YEAR FIRST SEMESTER CSE AND IT STUDENTS

MOBILE COMPUTING JNTU UNIVERSITY PREVIOUS YEAR QUESTION PAPER FOR  FINAL YEAR FIRST SEMESTER CSE AND IT STUDENTS

IV B.Tech I Semester Supplimentary Examinations, May/Jun 2009

MOBILE COMPUTING

( Common to Computer Science & Engineering, Information Technology

and Electronics & Computer Engineering)

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

⋆ ⋆ ⋆ ⋆ ⋆

1. A network can be:
(a) fixed and wired
(b) mobile and wired
(c) fixed and wireless
(d) mobile and wireless.
Explain each of them. [16]
2. What is multiplexing? Why it is needed? What are the different kinds of multiplexing techniques? Explain them. [16]
3. Explain in detail about Mobile IP. [16]
4. (a) Why Access point maintains buffers in Indirect TCP?
(b) How Indirect TCP hides the problems of wireless links from fixed host?
(c) The foreign agent can act as a gateway to translate between the different
protocols in Indirect TCP. Comment. [5+5+6]
5. What is context aware? Explain in detail about context aware computing. [16]
6. (a) Which type of indexing is suitable for broad casting data through wireless
Channel, why?
(b) What are the advantages of data broad cast over point-to-point access. [8+8]
7. Explain routing in mobile ad-hoc networks. [16]
8. (a) With a neat diagram explain the WAP architecture.
(b) Discuss briefly the user scenarios of Bluetooth. [8+8]