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2003 Course Mobile Computing

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Total No. of Questions : 12] [Total No. of Pages :2 P1501 [3764] - 435 B.E. (IT) MOBILE COMPUTING (2003 Course) Time : 3 Hours] Instructions to the candidates: 1) Answer any 3 questions from each section. 2) Neat diagrams must be drawn wherever necessary. 3) Assume suitable data, if necessary. [Max. Marks:100 SECTION - I Q1) a) b) Explaining the role of Context Manager, describe it s various information and relevances in the mobile computing environment. [8] Explain the three-tier architecture of mobile computing. [8] OR Q2) a) b) Q3) a) b) Explain various characteristics of mobile computing environment. [8] What is multiple access method? Why is it important? Explain various multiple access mechanisms with it s application areas and examples.[8] Explain in detail various databases used in GSM. [9] Explain the strengths and architecture of SMS in detail. [9] OR Q4) Write detail notes on : a) IPv6. b) Mobile IP. c) RFID. Q5) a) b) Explain FHSS and DSSS in detail with appropriate diagrams. Write short notes on : i) MMS. ii) IS-95 architecture. [18] [8] [8] P.T.O. OR Q6) a) b) Explain the 3G Networks with it s applications. [8] Write short notes on : i) SGSN. ii) GGSN. [8] SECTION - II Q7) a) b) Explain 802.11 architecture. [8] Explain various entities used in SS#7 architecture. [8] OR Q8) a) b) Q9) a) b) Explain various factors which are considered as constraints for handheld devices. [8] Explain various internal components of PDA. [8] Explain Palm OS architecture. [9] Explain Symbian OS architecture. [9] OR Q10)a) b) Q11)a) b) Explain how J2ME is different than J2EE and J2SE. [9] Explain the three prong approach used in JAVA. [9] Explain any two real time protocols in detail. [8] Explain various flavors of Windows CE. [8] OR Q12)a) b) Explain symmetric and asymmetric key algorithms with examples. [8] Explain various attacks on static and dynamic assets. [8] kbkb [3764]-435 2

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