Wireless Communication Question Paper
Wireless Communication
Course:Computer Information Systems
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2012 (DAY) EXAMINATIONS
FACULTY : COMPUTING AND INFORMATICS
DEPARTMENT : COMPUTER SCIENCE AND BUSINESS INFORMATION
UNIT CODE : CISY 333/BBIT 444
UNIT TITLE : WIRELESS COMMUNICATION
TIME : 2 HOURS
Instructions:
Answer question one and other two questions.
Question One
Explain three factors for measuring quality of service. (3mks)
Explain the following network security threats. (2mks)
Piggy backing
Denial of service (DOS)
Explain the following terms in relation to wireless technology.
Narrow band
Wideband
i) Explain two kinds of entities that comprise a mobile IP implantation.
(4mks)
ii) Explain what a adhoc network is. (5mks)
What is an access point?
(2mks)
Explain four application areas of wireless sensor networks. (8mks)
list two advantages and two advantages of wireless networks
Explain the following multiple access techniques in data communication.
(6mks)
code division Multiple, Acess (CDMA)
Time division Multiple Acess (TDNA)
Frequency-dision Multiple Acess (FDMA)
Question Two
Explain five situations that justify the use of wireless technology. (10mks)
Explain five advantages of wireless technology.
(10mks)
Question Three
Explain the following concepts as applied to wireless technology
Bluetooth technology.
(3mks)
Mobile IP.
(3mks)
Describe the main ways of distinguishing between narrowband and wideband.
(14mks)
Question Four
Describe a cellular network system.
(6mks)
Explain a Wi-Fi enabled device.
(4mks)
Give two benefits and two limitations of Wi – Fi technology. (4mks)
Describe two types of wireless middleware, giving an example for each case.
(6mks)
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