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FOA CFOT CERTIFICATION EXAM 2025
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
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? - correct answer- True
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? -
correct answer- True
When we say 62.5/125 fiber, what does "62.5" mean? - correct
answer- core size, the diameter in microns
When we say 50/125 fiber, what does "125" mean? - correct
answer- cladding size, the diameter in microns
OM3 and OM4 multimode fiber with a 50/125 micron core are
now a popular option in premises cabling systems because
they _____. - correct answer- Are "laser optimized" which gives
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more distance capability with gigabit networks using laser
sources
In-multimode fiber, the attenuation (reduction in optical power)
of the fiber is _____ at 850 nm than at 1300 nm. - correct
answer- Higher
Which of the following represents a singlemode (smaller core
size) fiber size? - correct answer- 9/125 micron
Singlemode fiber has _____ bandwidth than multimode fiber. -
correct answer- greater
Most plastic optical fibers are _____. - correct answer- large
core step-index
When you strip singlemode or graded index multimode mode
glass fiber, you are removing the ____. - correct answer-
Primary buffer coating
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The proper method of pulling optical fiber cables is to attach the
pull wire or tape to the ____ of the cable. - correct answer-
Strength members
According to the references, hybrid cables are cables that
contain ____. - correct answer- Both singelmode and
multimode optical fibers
What type of fiber cable design allows for large numbers of
fibers with ultra-high density, small size (diameter) and lower
cost? - correct answer- ribbon
According to the references, composite cables refer to cables
that contain ____> - correct answer- both optical fibers and
copper conductors
Which optical fiber cables must be grounded? - correct answer-
all cables that contain metallic elements
Fiber optic cable for use inside a building must _______. -
correct answer- Be rated to meet the requirements of local
building and fire codes
FOA CFOT CERTIFICATION EXAM 2025
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
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? - correct answer- True
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? -
correct answer- True
When we say 62.5/125 fiber, what does "62.5" mean? - correct
answer- core size, the diameter in microns
When we say 50/125 fiber, what does "125" mean? - correct
answer- cladding size, the diameter in microns
OM3 and OM4 multimode fiber with a 50/125 micron core are
now a popular option in premises cabling systems because
they _____. - correct answer- Are "laser optimized" which gives
,2 | Page
more distance capability with gigabit networks using laser
sources
In-multimode fiber, the attenuation (reduction in optical power)
of the fiber is _____ at 850 nm than at 1300 nm. - correct
answer- Higher
Which of the following represents a singlemode (smaller core
size) fiber size? - correct answer- 9/125 micron
Singlemode fiber has _____ bandwidth than multimode fiber. -
correct answer- greater
Most plastic optical fibers are _____. - correct answer- large
core step-index
When you strip singlemode or graded index multimode mode
glass fiber, you are removing the ____. - correct answer-
Primary buffer coating
, 3 | Page
The proper method of pulling optical fiber cables is to attach the
pull wire or tape to the ____ of the cable. - correct answer-
Strength members
According to the references, hybrid cables are cables that
contain ____. - correct answer- Both singelmode and
multimode optical fibers
What type of fiber cable design allows for large numbers of
fibers with ultra-high density, small size (diameter) and lower
cost? - correct answer- ribbon
According to the references, composite cables refer to cables
that contain ____> - correct answer- both optical fibers and
copper conductors
Which optical fiber cables must be grounded? - correct answer-
all cables that contain metallic elements
Fiber optic cable for use inside a building must _______. -
correct answer- Be rated to meet the requirements of local
building and fire codes
