FOA CFOT Certification Exam v11 Questions with Detailed Verified Answers

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FOA CFOT Certification Exam v11
Questions with Detailed Verified
Answers


Question: 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?


Ans: True


Question: A fiber optic power meter measures absolute power in dBM (dB
referenced to 1 mw) and, when used with a light source, can measure insertion
loss expressed in dB. True or False?


Ans: True


Question: When we say 62.5/125 fiber, what does "62.5" mean?


Ans: core size, the diameter in microns


Question: When we say 50/125 fiber, what does "125" mean?


Ans: cladding size, the diameter in microns


Question: OM3 and OM4 multimode fiber with a 50/125 micron core are now
a popular option in premises cabling systems because they _____.

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Ans: Are "laser optimized" which gives more distance capability with
gigabit networks using laser sources


Question: In-multimode fiber, the attenuation (reduction in optical power) of
the fiber is _____ at 850 nm than at 1300 nm.


Ans: Higher


Question: Which of the following represents a singlemode (smaller core size)
fiber size?


Ans: 9/125 micron


Question: Singlemode fiber has _____ bandwidth than multimode fiber.


Ans: greater


Question: Most plastic optical fibers are _____.


Ans: large core step-index


Question: When you strip singlemode or graded index multimode mode glass
fiber, you are removing the ____.


Ans: Primary buffer coating


Question: The proper method of pulling optical fiber cables is to attach the
pull wire or tape to the ____ of the cable.

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Ans: Strength members


Question: According to the references, hybrid cables are cables that contain
____.


Ans: Both singelmode and multimode optical fibers


Question: What type of fiber cable design allows for large numbers of fibers
with ultra-high density, small size (diameter) and lower cost?


Ans: ribbon


Question: According to the references, composite cables refer to cables that
contain ____>


Ans: both optical fibers and copper conductors


Question: Which optical fiber cables must be grounded?


Ans: all cables that contain metallic elements


Question: Fiber optic cable for use inside a building must _______.


Ans: Be rated to meet the requirements of local building and fire codes


Question: Optical fiber cable with a orange colored jacket generally indicates
the cable contains _____.



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