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Reg. No.
VI Semester M.C.A. Degree Examination, October - 2021
COMPUTER APPLICATIONS
Mobile Computing
(CBCS Scheme)
Paper MCA6E8
Time:3 Hours Maximum Marks: 70
Instructions to the candidates:
1) Answer any FIVE from Section - A.
2) Answer any 4 questions from Section - B.
SECTION-A
Answer any FIVE ofthe following. Each Question carries Six marks. (5x6-30)
11 What is mobile computing? Discuss few issuesofmobile computing.
2. Discuss the various network identities in GSM.
3. Give a brief account of system architecture of IEEE 802.11.
4. Compare and contrast classical TCP with TCP over wireless.
5. Explain what is adaptive clustering for mobile wireless networks and why is this adaptive
clustering needed?
6. Write a short node on Coda File System.
7. Differentiate Mobile agent paradigm with client server paradigm.
8. With an illustration discuss AODV routing protocol.
SECTION B
Answer any 4 questions. Each question carries 10 marks. (4x10-40)
9. Discuss the various hand off strategies in GSM.
10. With a neat diagram explain the GPRS architecture and interface along with the network
elements involved in GPRS.
11.. Explain WAP architecture with its protocol stack diagram.
12. What are the data management issues in mobile networks? Discuss them with suitable
examples.
13, Discuss security and fault tolerance in mobile agent framework.
14. Explain DSDV routing with a suitable illustration.
Reg. No.
VI Semester M.C.A. Degree Examination, October - 2021
COMPUTER APPLICATIONS
Mobile Computing
(CBCS Scheme)
Paper MCA6E8
Time:3 Hours Maximum Marks: 70
Instructions to the candidates:
1) Answer any FIVE from Section - A.
2) Answer any 4 questions from Section - B.
SECTION-A
Answer any FIVE ofthe following. Each Question carries Six marks. (5x6-30)
11 What is mobile computing? Discuss few issuesofmobile computing.
2. Discuss the various network identities in GSM.
3. Give a brief account of system architecture of IEEE 802.11.
4. Compare and contrast classical TCP with TCP over wireless.
5. Explain what is adaptive clustering for mobile wireless networks and why is this adaptive
clustering needed?
6. Write a short node on Coda File System.
7. Differentiate Mobile agent paradigm with client server paradigm.
8. With an illustration discuss AODV routing protocol.
SECTION B
Answer any 4 questions. Each question carries 10 marks. (4x10-40)
9. Discuss the various hand off strategies in GSM.
10. With a neat diagram explain the GPRS architecture and interface along with the network
elements involved in GPRS.
11.. Explain WAP architecture with its protocol stack diagram.
12. What are the data management issues in mobile networks? Discuss them with suitable
examples.
13, Discuss security and fault tolerance in mobile agent framework.
14. Explain DSDV routing with a suitable illustration.
