Question Paper: Wireless Technology : Question Paper Dec 2014 - Information Technology (Semester 7) | Mumbai University (MU)

Wireless Technology - Dec 2014

Information Technology (Semester 7)

(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.
1 (a) Explain possible attacks on wireless LAN and explain WEP in detail. (10 marks) 1 (b) With neat diagram explain CDMA One protocol architecture(10 marks) 2 (a) Explain reference model and protocol entities of WATM.(10 marks) 2 (b) What is WLL? Explain the MMDS & LMDS with the help of diagram. State its advantages & disadvantages.(10 marks) 3 (a) Compare IEEE 802.11, HiperLAN2 and Bluetooth with regard to their ad-hoc capabilities.(10 marks) 3 (b) State creatness in the WEP Protocol(5 marks) 3 (c) Describe PAN applications(5 marks) 4 (a) Discuss the connection management followed in Bluetooth technology. And explain the frame format in Bluetooth technology.(10 marks) 4 (b) Explain Media Access Mechanism in wireless LAN(10 marks) 5 (a) What is VSAT? Explain the VSAT-to-hub and hub-to-VSAT channel structure with neat diagram.(10 marks) 5 (b) Explain FHSS and D888 with suitable examples.(10 marks) 6 (a) With neat diagram explain the IEEE 802.11 System architecture.(10 marks) 6 (b) Explain the 3G service classes and applications.(10 marks)

Write Short notes on (any two) 20

7 (a) IS-41 protocol(10 marks) 7 (b) Mobility management in network operations of NMT(10 marks) 7 (c) GSM System Architecture.(10 marks)

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