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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA V Semester Examinations, April/May - 2019
MOBILE COMPUTING
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Time: 3hrs--- Content provided by FirstRanker.com ---
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Max.Marks:75
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Note: This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
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consists of 5 Units. Answer any one full question from each unit. Each question carries10 marks and may have a, b, c as sub questions.
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PART - A--- Content provided by FirstRanker.com ---
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5 ? 5 Marks = 251.a) Explain the 3-tier architecture for Mobile Computing.
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[5]b) Brief about NSS component of GSM protocol.
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[5]
c) Distinguish the adhoc wireless network from the one with infrastructure.
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[5]
d) Write about CLDC configuration of J2ME.
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[5]
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e) Differentiate Lossy and lossless compressions of Multimedia.--- Content provided by FirstRanker.com ---
[5]
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PART - B--- Content provided by FirstRanker.com ---
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5 ? 10 Marks = 50
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2.a)
Explain how Mobile IP solves the IP addressing issues of Mobile environment?
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b)
Write about applications of Mobile Computing.
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[5+5]
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OR3.a)
Based on the environment mobility characteristics, mention the different Mobile
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Computing functions.
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b)Mention the salient features of IPv6 protocol.
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[5+5]
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4.With a neat sketch write about the GSM system architecture.
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[10]
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OR5.
Write about SMS value-added Services Architecture with the help of a diagram. [10]
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6.a)
Write about IEEE 802.11 WLAN architecture.
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b)
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Write about any one IEEE 802.11 Physical layer protocol.--- Content provided by FirstRanker.com ---
[5+5]
OR
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7.a)Explain how mobility is dealt with in Wireless LAN?
b)
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Write about WLAN Security.
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[5+5]8.a)
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Giving the hierarchy, write about UI elements in MIDP of J2ME.b)
Brief about the H.323 framework for Voice Over IP (VOIP).
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[5+5]OR
9.
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With a neat sketch, write about the Windows CE architecture.
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[10]
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10.a) Write about Audio and Video Coder and Decoders (CODECs).b) Write about 3GPP security architecture.
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[5+5]
OR
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11.Through the architectural diagram, elaborate about IP Multimedia Subsystems (IMS).
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[10]---ooOoo---
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