SIXTH SEMESTER DIPLOMA EXAMINATION IN ENGINEERING/TECHNOLOGY-OCTOBER,2010
MOBILE COMPUTING
(Maximum marks:75)
PART-A
(Maximum marks:15)
vAnswer the following questions in one or two sentences:
1.Define cell.
2.List the applications of wireless networks.
3.What is TDMA?
4.Write the services offered by GSM.
5.State the use of ISL.
6.What is use of MOT protocol?
7.What is LMP?
8.List the functions of MAC management?
9.What is tunneling?
10.Define DHCP?
PART-B
(Maximum marks:60)
(Answer one full question from each unit)
Unit-1
v (a)Explain the simplified reference model for mobile computing.(8)
(b)Writes notes on:
(i)FDMA (ii)CDMA (4)
OR
v Describe the various protocols used in TCP/IP reference model (12)
Unit-2
v (a)Explain the types of handover that can occur in GSM.(6)
(b)How is localization done in GSM?.(6)
UNIT-3
v (a)Explain the applications of satellites.(6)
(b)Describe about multimedia object transfer protocol.(6)
OR
v (a)Explain about cyclical repetition of Data in broadcast systems. (6)
(b)Describe about Routing and localization in satellite systems. (6)
UNIT-4
v (a)Explain about IEEE 802.11 system architecture.(12)
OR
v(a)Explain about frequency hopping in bluetooth.(6)
(b)Explain the packet format for bluetooth.(6)
UNIT-5
v (a)Illustrate about packet delivery to and from the mobile node.(8)
(b)What is home agent?.(4)
OR
v (a)Explain about tunneling and encapsulation.(8)
(b)Write down the disadvantages of indirect TCP.(4)
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