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FC0-U71 Practice Question: Which network topology connects all devices to a…
Which network topology connects all devices to a single central cable?
⚠ Common exam trap
Watch out — candidates often confuse the 'single central cable' of a bus topology with the 'central device' of a star topology, mistakenly thinking a hub or switch is a cable, or they assume 'central' implies a star layout.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Bus
A bus topology uses a single central cable, often called a backbone or trunk, to which all devices are connected via drop lines or taps. Data transmitted by any device travels along the entire cable, and each device checks the destination address to determine if it should accept the data. This contrasts with other topologies that use different physical or logical connection methods.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Ring
Why it's wrong here
Ring topology forms a closed loop.
- ✗
Star
Why it's wrong here
Star topology uses a central device, not a single cable.
- ✗
Mesh
Why it's wrong here
Mesh topology has multiple interconnections.
- ✓
Bus
Why this is correct
Bus topology uses one main cable.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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