Model Exam1

Class/Sec : II Year/ M.E Max. Marks: 100

Subject Name : Mobile Computing Duration : 3 Hrs

Subject Code : 241071 Date :

Answer all the questions

PART A (10 x 2 = 20 Marks)

1. Why electromagnetic waves with very low frequency not used for data transmission?
2. What are main benefits of spread spectrum system?
3. What are the reasons for delays in GSM for packet data traffic?
4. Differentiate hard and soft handoff.
5. Why is the physical layer in IEEE 802.11 subdivided?

 

6. What is HIPERLAN?
7. What are the differences between AODV and standard distance vector algorithm?
8. What advantages does the use of IPV6 offer for mobility?
9. How does I-TCP isolate problems on wireless link?
10. List out the advantages of WAP.

PART-B (5 x 16 = 80 Marks)

11. (a) Explain in detail about multiplexing. (16)

(OR)

(b) Sketch the block diagram of transmitter and receiver of DSSS & FHSS. (16)

12. (a) Explain the functional and protocol architecture of GSM. (16) (OR)

(b) Discuss the functional and protocol architecture of GPRs. (16)

13. (a) (i) Explain IEEE 802.11 protocol architecture and bridging with

other networks. (10)

(ii) How do IEEE 802.11 solve hidden terminal problems? Explain

With necessary diagrams. (6)

(OR)

(b) Discuss in detail about Bluetooth. (16)

 

14. (a) Explain any one reactive routing protocol in ad-hoc networks with an (16)

example.

(OR)

(b) Discuss ZRP and ODMR in detail. (16)

(OR)

15. (a) Compare and contrast I-TCP, Snooping TCP and M-TCP. (16)

(OR)

(b) Discuss briefly about WAP architecture.