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Posted Date: 04 Jun 2009 Posted By: Magic Member Level: Gold
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2009 Shivaji University Computer Science B.E. (Computer Sci. & Engg.)(Semester-VIII)Examination, 2009 Question paper
B.E. (Computer Sci. & Engg.)(Semester-VIII)Examination, 2009
MOBILE COMPUTING (Elective=II)
Day and Date: Wednesday, 27-05-2009
Time: 10.00a.m. To 1.00 p.m. Total Marks: 100
Instructions: 1) Answer three questions from each section.
2) Figures to the right indicate full marks.
SECTION-I
1. a) Define three different ranges for signal propagation. What are the effects of signal propagation?
b) Explain digital modulation technique ASK & FSK.
2 .a) With the help of block diagram explain DSSS.
b) Explain access method DAMA-PRAMA
3. a) Draw system architecture of GSM and explain.
b) Explain mobile terminating call.
4. a) Explain 802.11 physical layer
b) Draw and explain architecture of 802.11 an infrastructure network.
SECTION-II
5. a) Draw and discuss a simple reference model for handover in ATM.
b) Name components of location management, their functions and outline. Why they are needed in case of wireless network?
6. a)With the help of entities and terms explain IP packet delivery to and from the mobile node.
b) With the help of registration request and registration reply explain how MN to register with the HA.
7. a) Draw and explain packet host flow from a fixed host to a mobile host via foreign agent in I-TCP.
b) What is Tunneling? Explain IP in IP encapsulation.
8. a) Explain Consistency problem for Distributed file systems.
b) Draw and explain component and interface of WAP architecture.
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