B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Sixth Semester
Information Technology
Elective — MOBILE COMMUNICATION
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
1. Write the general function of a sine wave.
2. What is multiplexing?
3. Distinguish between uplink and downlink.
4. What are the four different types of satellite orbits
identified?
5. What are the two different types of services offered by
Bluetooth?
6. List out any four requirements for location management.
7. Define: Foreign network.
8. What are the advantages of indirect-TCP?
9. What is the goal of a file system?
10. What is HTML?
Sub. Code
4BITE3A
AFF-4557
2
WS6
Part B 5 25)
Answer all questions choosing either or
11. Describe the different frequency bands for radio
transmission.
Or
Compare amplitude shift keying and frequency shift
keying.
12. What are the three different categories of serviced
defined by GSM? Describe.
Or
What are the advantages and disadvantages of GEO
and LEO?
13. What are the types of handover supported by
Wireless ATM? Explain.
Or
What are the advantages and disadvantages of
Wireless LAN?
14. Explain about the dynamic host configuration
protocol.
Or
Describe the advantages and disadvantages of
snooping TCP.
15. Write a short note on HTTP.
Or
Explain the functions of wireless session protocol.
AFF-4557
3
WS6
Part C 10 30)
Answer any three questions.
16. Compare space division multiplexing, frequency division
multiplexing and time division multiplexing.
17. Discuss the protocol architecture of DECT.
18. Explain the functions of wireless ATM.
19. Describe the routing in Ad-hoc networks.
20. Explain the components and interfaces of the WAP
architecture.
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