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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)

Wireless Communication Question Paper

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