Download VTU B.Tech (BE) 8th Sem 2020 Jan 10CSIS831 Wireless Networks and Mobile Computing Question Paper

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Eighth Semester B.E. Degree
Dec201
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Jan.2020
Wireless Networks and Mobile Computing
Time: 3 hrs.
Max. Marks:100
Note: Answer ant FIVE full questions, selecting

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atleast TWO questions from each part.
PART - A
1 a. Explain the following types of middlewares.
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i) Message oriented middleware ii) Database middleware.

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(06 Marks)
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b.
What is Transcoding? Mention and Explain the different Transcoding schemes.
(06 Marks)
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c. Explain the following with respect to design considerations for mobile computing :

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i) Chant context manager ii) Security manager.
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(08 Marks)
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2 a. With a neat diagram, explain the architecture of GSM.
(08 Marks)
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b. Explain briefly the GSM frequency allocation.
(06 Marks)
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c. Mention the strengths of SMS and also explain briefly operator centric pull with respect to
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SMS.
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(06 Marks)
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3 a. Mention and explain the fiinctionalities of :
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i) Serving GPRS support node
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ii) Gateway GPRS support node. (06 Marks)
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b. With a diagram, explain the transmission plane protocol architecture. (07 Marks)
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c. Mention and explain, the applications and limitations of GPRS. (07 Marks)

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a. With a diagram, explain the IS-95 architecture model.

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(08 Marks)
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b. With a relevant diagrams, explain the different handoff mechanisms of 1S-95. (07 Marks)
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c. With a diagram, explain the architecture of WiMAX. (05 Marks)
PART - B
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5 a. With a diagram, explain the components of digital communication device. (05 Marks)
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b. With a relevant examples, explain the design constraints in applications for hand held
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c. Explain the following technologies : i) Cellular IP Mobile IP with lPv6. (07 Marks) ?
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6 a. With a neat diagram, explain the smart client architecture. (07 Marks)
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b. Give the features ofpalm OS and also explain palm OS architecture. (05 Marks)

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c. Why deployment phase is difficult? With a diagram explain the different deployment
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options (08 Marks)

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5 i.. ., ) 7 a. With a neat diagram, explain the stages of wireless internet request. (08 Marks)

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? z b. With an examples, explain the features of following wireless mark up languages.
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i) HDML ii) cHTML. (05 Marks)
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O c. With a relevant diagrams, explain the different wireless application protocol programming
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z models. (07 Marks)
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8 a. Explain MIDIet lifecyc le, with respect to J2ME. (05 Marks)
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b. Give the importance of lowlevel GUI components with an examples, explain the low level
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capability of J2ME. (07 Marks)
c. With an examples, explain communication in MIDP. (08 Marks)
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