Exam 1: Medium Comparison
Which transmission medium provides the highest bandwidth and reliability for a desktop workstation?
Wi-Fi
Wireless radio waves — convenient but less reliable.
Ethernet
Physical cables — maximum speed and reliability.
Exam 2: The Interference Trap
Explain why a wireless connection may have poor performance in a large building. [2 Marks]
⚠️ The Trap
"The signal is just weaker because the building is big."
✅ The Mark Scheme
1. Signals subject to interference from physical obstacles (e.g. walls).
2. Results in lower bandwidth or increased latency.
Exam 3: Audit Lab
Identify the correct transmission medium property.
| Secure Transmission | Ethernet (Harder to intercept). |
| High Mobility | Wi-Fi (No physical connection). |
| Guided Medium | Ethernet (Cables). |
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