UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR DIPLOMA IN INFORMATION TECHNOLOGY
DIT 407: NETWORK DESIGN AND SETUP
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and Any Other Two Questions
QUESTION 1
a) Explain the function of the following network components
i) Repeater [2Marks]
ii) Network interface card [2Marks]
b) Explain why many organizations are embracing wireless networks [4Marks]
c) Differentiate between the following as used with computer networks.
i) Logical and physical network topology [2Marks]
ii) Local area network and wide area network [2Marks]
iii) Data communication and voice communication [2Marks]
d) Outline the two reasons why an organization should have a comprehensive network documentation.
[2Marks]
e) Explain the meaning of the following computer networking terms
i) Network management [2Marks]
ii) Network troubleshooting [2Marks]
QUESTION 2
a) Explain why an organization would implement a client server network architecture to replace a peer to
peer network architecture [5Marks]
b) Highlight any six activities that computer networks technical personnel will perform during network
management [6Marks]
c) Network design involves evaluating, understanding and scoping the network to be implemented. Explain
the four activities that should be addressed during network design
[4Marks]
QUESTION 3
a) IP addressing scheme is integral to the process of routing IP data through an internetwork. Briefly
describe the two main parts of an IP address. [4Marks]
b) Recently, KCA University has witnessed a growth in its Student population. Describe the fundamental
network design goals that the university should embrace when upgrading its Wi-Fi network to cater for
the needs of all students. [6Marks]
c) State any five strategies that can be used to solve computer network problems [5Marks]
QUESTION 4
a) Outline five responsibilities of a network manager [5Marks]
b) The office of a small independent realty company has four real estate agents, an executive secretary, and
two assistant secretaries. They agreed to keep all common documents in a central location to which
everyone has access. They also need a place to store their individual listings so that only the agent who has
the listing should have access to. The executive secretary has considerable network administration
knowledge, but everyone else does not. It is expected that in the near future the office will employ ten more
agents and three assistant secretaries.
Required
i) Would you recommend implementation of peer-to-peer or server-based architectural networking?
[1Mark]
ii) Draw and explain the best suited topology for the network specification. [3Marks]
iii) Justify the need of each hardware device you may use in the network at different locations.
[3Marks]
iv) Which cable is best suited for this company? Compare merits and demerits of the available cables
to justify your answer. [3Marks]
