Question Paper: Mobile Computing : Question Paper Dec 2014 - Computer Engineering (Semester 7) | Gujarat Technological University (GTU)

Mobile Computing - Dec 2014

Computer Engineering (Semester 7)

(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.
1 (a) Explain in detail: Strengths of SMS(7 marks) 1 (b) Discuss data services in GPRS. Describe applications suitable for GPRS.(7 marks) 2 (a) Describe MMS in detail.(7 marks) 2 (b) Describe design considerations for Mobile Computing.(7 marks) 2 (c) Draw and explain the mobile computing architecture.(7 marks) 3 (a) Discuss the difference between H.323 and SIP.(7 marks) 3 (b) Explain in detail Direct Sequence Spread Spectrum (DSSS).(7 marks) 3 (c) What are the different real-time protocols available for real-time data transmission over IP? Explain each of them.(7 marks) 3 (d) Describe Wireless LAN advantages. Also explain mobility in wireless LAN.(7 marks) 4 (a) Explain Bluetooth Protocol Stack.(7 marks) 4 (b) Describe symmetric key cryptography and public key cryptography.(7 marks) 4 (c) Draw and explain 3GPP Security architecture.(7 marks) 4 (d) How does Mobile IP works? Also briefly explain Mobile Computing OS.(7 marks) 5 (a) Draw and Explain Call routing for a mobile terminating call in GSM.(7 marks) 5 (b) Describe the contrast between 3G and WiFi technologies.(7 marks) 5 (c) Describe IPV6 in detail.(7 marks) 5 (d) Explain snooping TCP and mobile TCP.(7 marks)

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