GTU Mobile Computing - June 2015 Exam Question Paper

GTU Computer Engineering (Semester 7)
Mobile Computing
June 2015

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Discuss data services in GPRS. Describe applications suitable for GPRS.

7 M

1 (b) Describe MMS in detail.

7 M

2 (a) Explain Wireless LAN standards and Wireless LAN architecture.

7 M

2 (b) Explain architecture of Mobile Computing and also discuss security issues in Mobile Computing.

7 M

2 (c) Explain: Blue tooth and RFID.

7 M

3 (a) How does the Mobile IP work? Explain its architecture.

7 M

3 (b) Explain call routing in the context of GPRS networks.

7 M

3 (c) Explain in detail Direct Sequence Spread Spectrum (DSSS).

7 M

3 (d) Explain Mobile Computing over SMS. Also explain pull and push SMS.

7 M

4 (a) Describe symmetric key cryptography and public key cryptography.

7 M

4 (b) Explain: Indirect TCP and Mobile TCP.

7 M

4 (c) What is Walsh function? Explain it for CDMA orthogonal codes.

7 M

4 (d) Describe the contrast between 3G and Wi-Fi technologies.

7 M

5 (a) Describe IPV6 in detail.

7 M

5 (b) Discuss Billing and Charging in GPRS network.

7 M

5 (c) Explain snooping TCP and mobile TCP.

7 M

5 (d) Explain three tier architecture of Mobile Computing.

7 M

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