03000CS364052102 Pages: 2

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Max. Marks: 100

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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Sixth Semester B.Tech Degree Regular and Supplementary Examination July 2021

Course Code: CS364
Course Name: MOBILE COMPUTING

PARTA
Answer all questions, each carries 3 marks.

List any three characteristics of mobile computing.
Define middleware in mobile computing with example.
List the characteristics of different types of satellites (based on orbit).
Differentiate the use of HLR and VLR in GSM network.

PART ‏تا‎

Answer any two full questions, each carries 9 marks.

Explain Three-tier architecture for mobile communication with neat diagram.
Draw the flowchart of Internet Content Adaptation Protocol (ICAP).
Differentiate SDMA, FODMA, TDMA Medium Access techniques.
List the design considerations for mobile computing.
Illustrate the working of GSM (Global System for Mobile) with suitable
diagrams.
List the features of DECT system.

PART C

Answer all questions, each carries 3 marks.

Justify why the CSMA/CD protocol is difficult to implement in wireless
networks.
Differentiate Ad-hoc and Infrastructure based wireless networks.
Explain the requirements for a Mobile IP protocol.
List the steps involved in DHCP to obtain IP Address in a LAN with the help of
neat diagrams.

PART 0

Answer any two full questions, each carries 9 marks.

Draw and explain about IEEE 802.11 MAC layer frame format.

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Duration: 3 Hours

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