DISTANCE EDUCATION
M.C.A. (S)/M.C.A. (Lateral) DEGREE EXAMINATION,
MAY 2017.
Sixth Semester
MOBILE COMMUNICATIONS
(2010 Academic Year onwards)
Time Three hours Maximum 100 marks
PART A — × 8 40 marks)
Answer any FIVE questions.
1. Write short notes on Localization.
2. Compare FDMA and CDMA.
3. Brief describe about Bluetooth.
4. Differentiate Infra-red against Radio Transmission.
5. Explain how optimization technique used in Mobile IP.
6. Describe Congestion Control Mechanism in Traditional
TCP.
7. Write a note on slow start mechanism.
8. What are the issues faced during Data Transmission?
PART B — × 15 60 marks)
Answer any FOUR questions.
9. Explain in detail about GSM Architecture.
10. Discuss about IEEE802.11 Standards with neat diagram.
Sub. Code
601
DE-701
2
Ws3
11. Explain in detail about Ad-hoc Networks with some basic
protocol used in these networks.
12. Write a short notes on
DHCP (Dynamic Host Configuration Protocol).
Reverse Tunneling.
13. Explain the following in Indirect TCP.
Fast retransmit/Fast Recovery.
Transmission/ Time-out freezing.
14. Explain with Importance, advantage and disadvantages
for the following:
Selective retransmission
Transaction oriented TCP with its connection setup.
15. Discuss about WAP and explain the importance of
components that are interface with WAP Architecture.