MCASemester 42024-25Mobile ComputingKCA051

Mobile Computing (KCA051) - AKTU Question Paper 2024-25

MCA · Semester 4 · Free PDF Download

This is the official AKTU Mobile Computing Previous Year Question Paper for MCA Semester 4, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:MCA

Semester:Semester 4

Session:2024-25

University:AKTU / UPTU

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Questions Asked in 2024-25

Mobile Computing (KCA051) — extracted question text · 100 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 10 = 20

a
What are the key challenges in mobile computing?
b
What are the two main types of logical channels in GSM?
c
What are the key MAC layer challenges in Wireless LANs
d
What are the key components of the WAP (Wireless Application Protocol) architecture?
e
How mobile file systems address Data consistency during interm ittent connectivity?
f
Why is data replication importa nt in mobile computing environments?
g
List four propertie s of transactions
h
Explain eavesdropping attack aga inst mobile agent in mobile computing 4 K2 i. Explain Ad-hoc network. 5 K2 j. What is Loop free routing?

Section BAttempt any three of the following: 10 x 3 = 30

a
What is location management i n cellular systems? Explain HLR , VLR, and hierarchical location tracking
b
What are Wireless multiple acc ess protocols? Contrast FDMA a nd TDMA in details
c
What is adaptive clustering in mobile wireless networks, and how does it improve network performance?
d
Explain the concept of mobile agents in distributed systems. H o w d o mobile agents differ from traditional client-server models?
e
Explain hidden and exposed ter minal problems and their impac t on performance of MANETs

Section CAttempt any one part of the following: 10 x 1 = 10

a
What is MAC in cellular system s? Contrast the how Medium Acc ess Control works in GPRS and GSM
b
Discuss handover schemes with suitable diagram in reference to: Intra-cell handover Inter-cell, intra-BSC handover Inter-BSC, intra-MSC handover Inter MSC handover
a
Discuss I-TCP, and M-TC P with suitable diagram
b
Compare and contrast Bluetooth and Wi-Fi in terms of range, applications, and performance
a
Explain the process of disc onnected operations performed in CODA
b
Identify and explain at least four major data management issues that arise specifically in mobile computing environments
a
What is the Malicious Host Problem? What are the countermeasures for Malicious Host Problem?
b
Define a mobile transaction. What are the challenges faced d uring Mobile Transactions?
a
Explain the following MANET protocols: (i) DSDV (ii) TORA
b
Compare AODV routing protocol with DSR

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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