Neco 2018 Computer Studies Question 7

Practice essay / theory question 7 from the 2018 Neco Computer Studies examination. This question covers Network Topologies, LAN design, Cable management .

Neco 2018 Computer Studies Essay / Theory
Topics: Network Topologies LAN design Cable management
Question 7 NECO • 2018 • COMPUTER_STUDIES • essay

A small business plans to install a local area network (LAN) to interconnect 12 desktop computers, a network printer and a file server. The following conditions apply: - The maximum permissible length of any single cable segment is 100 m. - Devices will be arranged in a rectangular layout with approximately 8 m between any two adjacent devices. - The network must allow easy addition of up to 5 more devices in the future without major rewiring. - Redundancy is required so that a single cable failure does not disconnect the whole network. Based on these requirements, answer the questions below.

Question Parts

( a )
Recommend the most suitable network topology for the above scenario and justify your choice with reference to redundancy, cable‑length limitation and future expansion.
( b )
Using the topology you selected in (a), calculate the minimum total length of cable required to connect all devices. Assume each individual link from a device to the central hub is exactly 8 m.
( c )
Compare the maximum number of simultaneous, collision‑free transmissions that can occur in the chosen topology with those possible in a bus topology under the same conditions. Explain the effect on overall network performance.

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About This Question

This is Neco 2018 Computer Studies Question 7. It is one of the essay questions from the 2018 Neco Computer Studies examination.

The question covers Network Topologies, LAN design, Cable management .

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