Download JNTUA B.Tech 4-2 R13 2017 April Regular 13A05801 Mobile Computing Question Paper

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Code: 13A05801


B.Tech IV Year II Semester (R13) Regular Examinations April 2017
MOBILE COMPUTING
(Common to CSE and IT)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

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1 Answer the following: (10 X 02 = 20 Marks)
(a) Write any two advantages and disadvantages of WLAN.
(b) What is wireless internet?
(c) What are the classifications of MAC protocol?
(d) What do you mean by contention based protocols?
(e) What is hybrid routing protocol?
(f) What are the types of network security attacks?
(g) What are the challenges in QOS?
(h) What is energy efficient design?
(i) What is wireless sensor network?
(j) What is the MAC protocol used in sensor network?

PART ? B
(Answer all five units, 5 X 10 = 50 Marks)

UNIT ? I

2 Write in detail about the types of WLANs, the components of a typical WLAN and the services offered by
a WLAN.
OR
3 Explain route optimization and security in mobile IP.

UNIT ? II

4 Illustrate various steps involved in five phase reservation protocol with its frame format.
OR
5 List and explain the issues in designing a MAC protocol for Adhoc wireless networks.

UNIT ? III

6 Explain any one of the on-demand routing protocols in detail.
OR
7 Explain the design goals of a transport layer protocol for Adhoc networks.

UNIT ? IV

8 Write in detail about QOS enabled Adhoc on-demand distance vector routing protocol.
OR
9 Explain battery management schemes.

UNIT ? V

10 Write in detail about clustered architecture in WSN.
OR
11 Explain power efficient gathering for sensor information systems.

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R13
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