Mobile Computing Question Paper - May 16 - Diploma In Information Technology (Semester 6) - Maharashtra State Board of Technical Education (MSBTE)

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Mobile Computing - W16

Diploma In Information Technology (Semester 6)

Total marks: 100
Total time: 3 Hours INSTRUCTIONS
(1) All Questions are compulsory.
(2) Illustrate your answers with neat sketches wherever necessary.
(3) Figures to the right indicate full marks.
(4) Assume suitable data, if necessary.
(5) Mobile Phone, Pager and any other Electronic Communication devices are not permissible in Examination Hall.
(6) Write any special instructions if any.
(7) Preferably write answers in sequential order.

1. (A) Attempt any THREE of the following :

1.a.i Describe a micro cell zone concept.

(4 marks) 11385

1.a.ii List and describe briefly GSM channel type.

(4 marks) 11404

1.a.iii Describe mobility management.

(4 marks) 11443

1.a.iv Explain types of attacks in detail.

(4 marks) 11402

1. (B) Attempt any ONE of the following :

1.b.i Write call cancellation algorithm of VLR overflow.

(6 marks) 11444

1.b.ii Describe Android Life-cycle activity.

(6 marks) 11405

2. Attempt any FOUR of the following :

2.a Describe channel assignment strategies.

(4 marks) 11446

2.b Draw and describe handoff strategies.

(4 marks) 11422

2.c List and describe GSM services.

(4 marks) 11448

2.d Explain HLR failure restoration method.

(4 marks) 11380

2.e List and describe briefly data services in GPRS.

(4 marks) 11410

2.f List the components of Information Security and state features of each.

(4 marks) 11419

3. Attempt any FOUR of the following :

3.a Describe cell splitting and sectoring for improvement of coverage area.

(4 marks) 11465

3.b Explain GSM frame structure with neat diagram.

(4 marks) 11393

3.c Describe GSM location updates inter LA movement.

(4 marks) 11420

3.d Describe GPRS Network operations.

(4 marks) 11441

3.e Draw and describe Android architecture.

(4 marks) 11432

4. (A) Attempt any THREE of the following :

4.a.1 Describe channel assignment types for wireless systems.

(4 marks) 11446

4.a.2 List the features of GSM.

(4 marks) 11418

4.a.3 Draw neat diagram and explain 3G PP security architecture.

(4 marks) 11411

4.a.4 Describe symmetric key cryptography with its components.

(4 marks) 11467

4. (B) Attempt any ONE of the following :

4.b.1 Describe location tracking and call setup in GSM.

(6 marks) 11439

4.b.2 Compare similarities, differences and unique features of Windows CE and Android mobile operating systems.

(6 marks) 11468

5. Attempt any TWO of the following :

5.a Explain the process of GSM to PSTN call and PSTN to GSM call.

(8 marks) 11469

5.b Describe the applications and limitations of GPRS.

(8 marks) 11472

5.c What is public key cryptography and what are its components ? Explain the Diffie-Hellman Algorithm.

(8 marks) 11473

6. Attempt any FOUR of the following :

6.a Describe three-tier mobile computing architecture.

(4 marks) 11474

6.b Describe signal processing in GSM.

(4 marks) 11401

6.c Describe VLR Identification algorithm.

(4 marks) 11442

6.d Describe the Registration algorithm of GSM/VLR.

(4 marks) 11442

6.e Describe CDMA 2000 technology.

(4 marks) 11476

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