A fiber optic link has a calculated loss budget of 3.5 dB. The measured insertion loss is 4.2 dB. What is the correct action?
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A
The link passes; 4.2 dB is within typical tolerances
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B
The link fails; investigate connectors, splices, and bends
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C
Add an optical amplifier to compensate
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D
Re-label the link as single-mode to allow higher loss