1
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FOA CFOT Certification Exam v11 (2025)
comprehensive questions and verified
answers ( detailed & elaborated) ACTUAL
EXAM 2025 TEST!! Questions and Answers
(100% Correct Answers) Already Graded
A+
A fiber optic inspection microscope can increase the danger of
© 2025 Assignment Expert
high powered light sources by focusing the light coming out of a
fiber into your eye. True or False? [ANS:] True
A fiber optic power meter measures absolute power in dBM (dB
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referenced to 1 mw) and, when used with a light source, can
measure insertion loss expressed in dB. True or False? [ANS:] True
When we say 62.5/125 fiber, what does "62.5" mean? [ANS:] core
size, the diameter in microns
When we say 50/125 fiber, what does "125" mean? [ANS:]
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
_____. [ANS:] Are "laser optimized" which gives 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. [ANS:] Higher
Which of the following represents a singlemode (smaller core size)
fiber size? [ANS:] 9/125 micron
, 2
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Singlemode fiber has _____ bandwidth than multimode fiber.
[ANS:] greater
Most plastic optical fibers are _____. [ANS:] large core step-index
When you strip singlemode or graded index multimode mode
glass fiber, you are removing the ____. [ANS:] Primary buffer
coating
The proper method of pulling optical fiber cables is to attach the
pull wire or tape to the ____ of the cable. [ANS:] Strength members
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According to the references, hybrid cables are cables that
contain ____. [ANS:] Both singelmode and multimode optical fibers
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What type of fiber cable design allows for large numbers of fibers
with ultra-high density, small size (diameter) and lower cost? [ANS:]
ribbon
According to the references, composite cables refer to cables
that contain ____> [ANS:] both optical fibers and copper
conductors
Which optical fiber cables must be grounded? [ANS:] all cables
that contain metallic elements
Fiber optic cable for use inside a building must _______. [ANS:] Be
rated to meet the requirements of local building and fire codes
Optical fiber cable with a orange colored jacket generally
indicates the cable contains _____. [ANS:] Multimode fiber
Premises cable jackets are usually color-coded in what color to
indicate singlemode fiber? [ANS:] Yellow
For Expert help and assignment solutions, +254707240657
FOA CFOT Certification Exam v11 (2025)
comprehensive questions and verified
answers ( detailed & elaborated) ACTUAL
EXAM 2025 TEST!! Questions and Answers
(100% Correct Answers) Already Graded
A+
A fiber optic inspection microscope can increase the danger of
© 2025 Assignment Expert
high powered light sources by focusing the light coming out of a
fiber into your eye. True or False? [ANS:] True
A fiber optic power meter measures absolute power in dBM (dB
Guru01 - Stuvia
referenced to 1 mw) and, when used with a light source, can
measure insertion loss expressed in dB. True or False? [ANS:] True
When we say 62.5/125 fiber, what does "62.5" mean? [ANS:] core
size, the diameter in microns
When we say 50/125 fiber, what does "125" mean? [ANS:]
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
_____. [ANS:] Are "laser optimized" which gives 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. [ANS:] Higher
Which of the following represents a singlemode (smaller core size)
fiber size? [ANS:] 9/125 micron
, 2
For Expert help and assignment solutions, +254707240657
Singlemode fiber has _____ bandwidth than multimode fiber.
[ANS:] greater
Most plastic optical fibers are _____. [ANS:] large core step-index
When you strip singlemode or graded index multimode mode
glass fiber, you are removing the ____. [ANS:] Primary buffer
coating
The proper method of pulling optical fiber cables is to attach the
pull wire or tape to the ____ of the cable. [ANS:] Strength members
© 2025 Assignment Expert
According to the references, hybrid cables are cables that
contain ____. [ANS:] Both singelmode and multimode optical fibers
Guru01 - Stuvia
What type of fiber cable design allows for large numbers of fibers
with ultra-high density, small size (diameter) and lower cost? [ANS:]
ribbon
According to the references, composite cables refer to cables
that contain ____> [ANS:] both optical fibers and copper
conductors
Which optical fiber cables must be grounded? [ANS:] all cables
that contain metallic elements
Fiber optic cable for use inside a building must _______. [ANS:] Be
rated to meet the requirements of local building and fire codes
Optical fiber cable with a orange colored jacket generally
indicates the cable contains _____. [ANS:] Multimode fiber
Premises cable jackets are usually color-coded in what color to
indicate singlemode fiber? [ANS:] Yellow
