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Ics/2306/Bbt 2201: Computer Networks/ Data Communicaations Question Paper

Ics/2306/Bbt 2201: Computer Networks/ Data Communicaations

Course:Bachelor Of Science In Mathematics And Computer Science And Bachelor Of Business And Information Technology

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2013

JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
YEAR THREE SEMESTER TWO EXAMINATIONS FOR THE DEGREE OF BACHELOR OF SCIENCE IN MATHEMATICS AND COMPUTER SCIENCE AND BACHELOR OF BUSINESS AN D INFORMATION TECHNOLOGY
ICS/2306/BBT 2201: COMPUTER NETWORKS /DATA COMMUNICATIONSAND NETWORKS
DATE: APRIL 2013 TIME: 2HOURS
INSTRUCTIONS: ANSWER QUESTION 1 AND ANY OTHER TWO QUESTIONS
QUESTION 1
a) Define the following terms used in computer networks ( 4 marks)
i. Internetwork
ii. Server operating system
iii. Protocol
iv. Physical topology
b) Briefly explain the features of the IEEE 802.3 standard. (3marks)
c) Explain the role of routers in networking and distinguish between the main types. ( 4 marks)
d) Distinguish between the following network categories as characterized by number of nodes and geographical scope.
i. WAN
ii. PAN (4marks)
e) Explain the token passing technique of implementing the controlled media access by stations sharing a transmission media. (5 marks)
f) Explain the following data transmission techniques.
i. Simplex
ii. Full duplex (4 marks)
g) With the aid of a suitable diagram, explain how you would prepare the cross over cable in readiness for data transmission. (4 marks)
h) State and explain any 2 media connectors used in networks today showing the media type they are used within. (2 marks)
QUESTION TWO
a) Describe the characteristics of the CDDI networking standard. (4 marks)
b) State three advantages of networking. (3 marks)

Ics/2306/Bbt 2201: Computer Networks/ Data Communicaations Question Paper

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