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Electrical
FOA CFOT (Certified Fiber Optic Technician)
Testing Instruments & Measurement
Knowledge Check
Testing Instruments & Measurement
Knowledge Check
Knowledge Check
1 / 10
What is the OTDR 'event dead zone' and why does it matter for field testing?
A
The maximum distance the OTDR can test before signal is lost
B
The section of the fiber trace where noise exceeds signal
C
The minimum fiber length between the OTDR and the first connectable event - events within this zone cannot be individually resolved
D
The zone at the far end of the link where backscatter is too weak to measure
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