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Cisy 231:Telecommunication Network Question Paper

Cisy 231:Telecommunication Network

Course:Computer Science

Institution: Kenya Methodist University question papers

Exam Year:2012

KENYA METHODIST UNIVERSITY

END OF 3''RD ''TRIMESTER 2012 (EVENING) EXAMINATIONS
FACULTY : COMPUTING AND INFORMATICS
DEPARTMENT : COMPUTER SCIENCE AND BUSINESS
INFORMATION
UNIT CODE : CISY 231/BBIT 242
UNIT TITLE : TELECOMMUNICATION NETWORK
TIME : 2 HOURS

Instructions:

Question One

Explain what telecommunication network management is all about.

(3 marks)

Explain the OSI reference model and give the functions of each layer.

(15 marks)

What is the function of each of the following protocols?

(6 marks)

FTP, SMTP, TCP/IP, DHCP and DNS.

Describe how you would do the following.

(6 marks)

Turn on file sharing
Test a network connection
Solve an IP address conflicts.

Question Two

Describe and draw diagrams to illustrate four different network topologies.

(4 marks)

State one advantage and disadvantage of the topology described in question two parts (i).

(6 marks)

There are ten employees in a local estate agent’s office. Each employee uses a networked PC on a Local Area Network (LAN). Give two benefits to the office of using a network rather than stand-alone PCs.

(2 marks)

Describe four different types of network?

(8 marks)

Question Three

You are asked to design a network for an organization with three buildings. Each building is to host an office with four computers each.

Explain the networking devices that will be used that include the hardware and software.

(14 marks)

Give the design of the network in diagram.

(6 marks)

Question Four

What is meant by a client/server network.

(2 marks)

Describe the following signal transmission mechanism.

(4 marks)

Base band
Broad band

Describe the following methods of Accessing Network Media.

(8 marks)

Token Ring
Ethernet
CSMA/CA
CSMA/CO

Discuss the following.

(6 marks)

ISDN
ATM
FDDI

Question Five
Computer security is vital in protecting the organizations network systems.

Describe all the security gadgets, mechanism and how you will use them in protecting the organizations network.

(10 marks)

Describe security procedures and policies that can be applied to the network.

(10 marks)

Cisy 231:Telecommunication Network Question Paper

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