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With respect to data communication, which of the following statements is true about fibre optic cable?

AIt carries data in pulses of light and is prone to interference
BIt carries data as electronic signals and is not prone to interference
CIt carries data as electronic signals and is prone to interference
DIt carries data in pulses of light and is not prone to interference ✓ Correct
Correct answer: (D) It carries data in pulses of light and is not prone to interference
Explanation

Fibre optic cable carries data as pulses of light down thin glass strands and stays immune to electromagnetic interference.

Because light rather than electricity travels the core, outside electrical noise cannot corrupt the signal.

Saying it carries light yet suffers interference contradicts that very immunity.

Describing it as using electronic signals is wrong, since copper cables, not fibre, carry electrical signals.

Pairing electronic signals with interference misstates fibre on both points.

Fibre offers very high bandwidth over long distances with minimal signal loss.

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