B.C.A. DEGREE EXAMINATION, NOVEMBER 2017
Fifth Semester
Computer Application
Elective: MOBILE COMMUNICATIONS
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. What is the use of SHF and VHF?
2. What is meant by Path loss of radio signals?
3. What do you mean by Exposed terminals?
4. What is meant by Handover?
5. What do you mean by Ad-Hoc Network?
6. What is Access Point?
7. What are the limitations of AD HOC networks?
8. What is the purpose of TimeStamp?
9. What is meant by Strong consistency?
10. Define Posting.
Sub. Code
1BCAE1B
AFC-10376
2
ws1
Part B 5 25)
Answer all questions, choosing either or
11. Explain the use of Signals in Wireless transmission.
Or
Write short notes on Cellular Systems.
12. Compare the S/T/FCDMA.
Or
Write short notes on Routing.
13. Compare Infrared and Radio Transmission.
Or
Write short notes on HIPERLAN.
14. Explain the functions of Mobile Network layer.
Or
Explain DSR in Mobile Ad-Hoc networks.
15. Explain the functions of HTTP.
Or
Write short notes on WWW.
Part C 10 30)
Answer any three questions.
16. Describe various types of Multiplexing schemes.
17. Explain
DECT
DDMA.
AFC-10376
3
ws1
18. Explain
Reference Model
Addressing.
19. Explain
Traditional TCP
Transaction Oriented TCP.
20. Describe the architecture and protocols of WAP.
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