MOBILE COMPUTING 2018 MCA 4th Sem AKTU

Printed Pages: 1 Sub Code: RCAE15

Paper Id: 214430 Roll No. _____________________

MCA

(SEM IV) THEORY EXAMINATION 2017-18

MOBILE COMPUTING

Time: 3 Hours Total Marks: 70

Note: Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x 7 = 14

  1. What is Bandwidth?
  2. Write down the formulae for data rate for noisy channel.
  3. Define the Wireless Media.
  4. What do you mean by Wi-Fi?
  5. What do you mean by Wireless Body Area Network?
  6. What do you mean by Wireless Ad-Hoc Network?
  7. What is Wireless Sensor Network?

SECTION B

2. Attempt any three of the folloing: 7 x 3 = 21

  1. Explain the various features of CDMA.
  2. Explain the Wireless Communication Problems.
  3. Differentiate fix channel allocation scheme and dynamic allocation scheme.
  4. Explain the MAC protocols in details.
  5. Explain the Dynamic Source Routing (DSR) protocols.

SECTION C

3. Attempt any one part of the folloing: 7 x 1 = 7

  1. What is Mobile Computing? Explain the various application of Mobile Computing?
  2. Explain Space Division Multiple Access technique in Wireless Telephony.

4. Attempt any one part of the folloing: 7 x 1 = 7

  1. Explain CODA file System and its various features.
  2. Explain Adaptive Clustering and its working for mobile wireless network.

5. Attempt any one part of the folloing: 7 x 1 = 7

  1. Explain the Transaction Processing in Mobile Computing.
  2. What do you mean by Data Replication? Classify the Data Replication?

6. Attempt any one part of the folloing: 7 x 1 = 7

  1. Explain Security Threats in Mobile Agent Computing.
  2. Explain the various Mobile Agent security issues in Mobile Computing.

7. Attempt any one part of the folloing: 7 x 1 = 7

  1. Explain Destination Sequence Distance Vector Routing (DSDV) algorithm.
  2. Explain the various layers of WAP Architecture.

Lokesh Kumar

Being EASTER SCIENCE's founder, Lokesh Kumar wants to share his knowledge and ideas. His motive is "We assist you to choose the best", He believes in different thinking.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.