Download MU-(University of Mumbai or University of Bombay) MCA (Master of Computer Application) 2019 May 5th Sem 56402 Wireless Technology Previous Question Paper
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58786
Total Marks: 100
(3 Hours)
N.B. : 1) Question No.1 is compulsory.
2) Attempt any four from the remaining six questions.
3) Figures to the right indicate full marks
1. (a) What are the advantages of spreading the spectrum? Discuss how it is
done using frequency hopping method.
(10)
(b) Explain the different components of GSM architecture and discuss the
functions of each component.
(10)
2. (a) Discuss the various impairments which will affect the wireless
environment.
(10)
(b) What is CDMA? Compare CDMA with TDMA and FDMA
techniques.
(10)
3. (a) What does (n,k,K) mean in convolution code? Explain (2,1,3) with the
help of shift register and state diagram.
(10)
(b) Describe J2ME architecture with respect to various configurations and
profiles. List various states of midlet life cycle.
(10)
4. (a) What is piconet and scatternet? Explain in brief Bluetooth protocol
stack.
(10)
(b) Discuss the IEEE 802.11 system architecture with its services. (10)
5. (a) Discuss the different types of antennas used in wireless
communication.
(10)
(b) Why WEP is a weak algorithm? Explain the use of WPA and WPA2
in implementing WiFi security.
(10)
6. (a) What is WiMax? Explain the basic component and setup of WiMax
networks.
(10)
(b) What are the functions supported by WML? In brief, describe WTLS
security services
(10)
7. Write Short Notes on any four of the following :-
a) Digital modulation techniques (ASK, FSK, PSK)
b) Fresnel Zone
c) Symbian OS
d) History of wireless communication
e) WAE
(20)
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Paper / Subject Code: 56402 / Wireless Technology
56AB7F22531F97180656750C6BCFC90C
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This post was last modified on 05 February 2020