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Subject Code: KCS711
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BTECH
(SEM VII) THEORY EXAMINATION 2023-24
MOBILE COMPUTING
TIME: 3 HRS M.MARKS: 100
Note: 1. Attempt all Sections. If require any missing data; then choose suitably.
SECTION A
1. Attempt all questions in brief.
Q no. Question Marks CO
a. Define Mobile computing. 2 1
b. What are the security services offered by GSM? 2 1
c. What is infrared? 2 2
d. Define Near and Far problem. 2 2
e. What cache consistency. 2 3
f. Explain emulation. 2 3
g. What is D-AMPS. 2 4
h. What do mean by masquerade? 2 4
i. Explain global state routing. 2 5
j. Write some issues of QoS routing. 2 5
SECTION B
90
2
13
2. Attempt any three of the following:
_2
2.
a. Describe the various components of cellular System. 10 1
P1
24
b. Explain MACA. How are hidden nodes and exposed node problems addressed 10 2
4D
in MACA.
5.
c. Explain CODA file System. What are clients of CODA. 10 3
.5
P2
d. Describe fault tolerance in mobile computing environment in detail. 10 4
17
Q
e. Explain Fisheye state routing in detail. 10 5
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SECTION C
8
3. Attempt any one part of the following:
1
7:
a. Explain GSM communication along with its history. 10 1
:2
b. Discuss about applications, pros, and cons of GPRS. 10 1
13
4. Attempt any one part of the following:
4
a. Explain all IEEE 802.11 standards. 10 2
02
b. Explain Mobile IP in detail. 10 2
-2
5. Attempt any one part of the following:
01
a. Explain Clustering Algorithm. 10 3
0-
b. How does mobility affect data replication on mobile platforms? Explain 10 3
|3
6. Attempt any one part of the following:
a. What do you mean by mobile agent? Explain in detail. 10 4
b. Why security concerns in traditional systems are simple than those in Mobile 10 4
systems?
7. Attempt any one part of the following:
a. Describe various classifications of wireless ad hoc networks. 10 5
b. Why do we need new routing protocols. Write down types of routing protocols. 10 5
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