Gce Model Questions Vol1 2025 Computer Studies Question 7

Practice essay / theory question 7 from the 2025 Gce Model Questions Vol1 Computer Studies examination. This question covers Network topologies, Hybrid LAN design, Internet connectivity concepts, Network security .

Gce Model Questions Vol1 2025 Computer Studies Essay / Theory
Topics: Network topologies Hybrid LAN design Internet connectivity concepts Network security
Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2025 • COMPUTER_STUDIES • essay

A secondary school is planning to upgrade its computer laboratory and the four adjoining classrooms to provide reliable network connectivity for both wired and wireless devices. The school wishes to use a combination of LAN topologies and to ensure safe Internet access for students.

Question Parts

( a )
Identify three common LAN topologies (bus, star, mesh) and compare them in terms of cabling requirements, fault tolerance and ease of future expansion.
( b )
The school decides to implement a hybrid topology that combines a central star for the server room with extended‑star branches to each of the four classrooms and the laboratory. Each classroom is 20 m from the server room, the laboratory is 30 m away, and the cable that links the central switch to each peripheral switch is 10 m. (i) Describe the physical layout of this hybrid network, stating how many switches are required and how they are interconnected. (ii) Calculate the total length of Category‑6 cable needed for the whole LAN (ignore cable for the wireless access points).
( ) Describe the physical layout of this hybrid network, stating how many switches are required and how they are interconnected.
( ) Calculate the total length of Category‑6 cable needed for the whole LAN (ignore cable for the wireless access points).
( c )
Explain the role of a router, NAT and DNS in providing Internet access to the students, and recommend one practical security measure that the school should implement to protect the network.

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About This Question

This is Gce Model Questions Vol1 2025 Computer Studies Question 7. It is one of the essay questions from the 2025 Gce Model Questions Vol1 Computer Studies examination.

The question covers Network topologies, Hybrid LAN design, Internet connectivity concepts, Network security .

View More Gce Model Questions Vol1 2025 Computer Studies Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

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