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Certified Fibre Optic Technician &Newline;Exam 2026
In-multimode fiber, the attenuation (reduction 
in optical power) of the fiber is _____ at 850 nm 
than at 1300 nm. - answer-Higher 
Which of the following represents a 
singlemode (smaller core size) fiber size? - 
answer-9/125 micron 
A fiber optic inspection microscope can 
increase the danger of high powered light 
sources by focusing the light coming out of a 
fiber into your eye. True or False? - answer 
True 
A fiber optic power meter measures absolute 
power in dBM (dB referen...