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← TechnologyWhich performance outcome results when fiber optic signal dispersion increases?
A)Bit error rate increases sharply✓
B)Bandwidth availability rises slightly
C)Signal-to-noise ratio improves greatly
D)Latency is greatly reduced proportionally
💡 Explanation
Increased dispersion broadens the pulse width spreading data, causing inter-symbol interference because pulse energy bleeds into adjacent bit slots: the **pulse broadening** mechanism means bits become indistinguishable. Therefore, high bit error rate rises, rather than bandwidth improve with less signal clarity.
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