FOA CFOT Certification Exam v11 | 2025 LATEST UPDATED ||
COMPLETE QUESTIONS AND ELABORATED ANSWERS | ALREADY
GRADED GRADED A+
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
ANSWERTrue
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
ANSWERTrue
When we say 62.5/125 fiber, what does "62.5" mean? -CORRECT ANSWERcore size, the
diameter in microns
When we say 50/125 fiber, what does "125" mean? -CORRECT ANSWERcladding 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 ANSWERAre "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. -CORRECT ANSWERHigher
Which of the following represents a singlemode (smaller core size) fiber size? -CORRECT
ANSWER9/125 micron
, Singlemode fiber has _____ bandwidth than multimode fiber. -CORRECT ANSWERgreater
Most plastic optical fibers are _____. -CORRECT ANSWERlarge core step-index
When you strip singlemode or graded index multimode mode glass fiber, you are removing the
____. -CORRECT ANSWERPrimary buffer coating
The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of
the cable. -CORRECT ANSWERStrength members
According to the references, hybrid cables are cables that contain ____. -CORRECT
ANSWERBoth 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 ANSWERribbon
According to the references, composite cables refer to cables that contain ____> -CORRECT
ANSWERboth optical fibers and copper conductors
Which optical fiber cables must be grounded? -CORRECT ANSWERall cables that contain
metallic elements
Fiber optic cable for use inside a building must _______. -CORRECT ANSWERBe rated to
meet the requirements of local building and fire codes
Optical fiber cable with a orange colored jacket generally indicates the cable contains _____. -
CORRECT ANSWERMultimode fiber
COMPLETE QUESTIONS AND ELABORATED ANSWERS | ALREADY
GRADED GRADED A+
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
ANSWERTrue
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
ANSWERTrue
When we say 62.5/125 fiber, what does "62.5" mean? -CORRECT ANSWERcore size, the
diameter in microns
When we say 50/125 fiber, what does "125" mean? -CORRECT ANSWERcladding 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 ANSWERAre "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. -CORRECT ANSWERHigher
Which of the following represents a singlemode (smaller core size) fiber size? -CORRECT
ANSWER9/125 micron
, Singlemode fiber has _____ bandwidth than multimode fiber. -CORRECT ANSWERgreater
Most plastic optical fibers are _____. -CORRECT ANSWERlarge core step-index
When you strip singlemode or graded index multimode mode glass fiber, you are removing the
____. -CORRECT ANSWERPrimary buffer coating
The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of
the cable. -CORRECT ANSWERStrength members
According to the references, hybrid cables are cables that contain ____. -CORRECT
ANSWERBoth 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 ANSWERribbon
According to the references, composite cables refer to cables that contain ____> -CORRECT
ANSWERboth optical fibers and copper conductors
Which optical fiber cables must be grounded? -CORRECT ANSWERall cables that contain
metallic elements
Fiber optic cable for use inside a building must _______. -CORRECT ANSWERBe rated to
meet the requirements of local building and fire codes
Optical fiber cable with a orange colored jacket generally indicates the cable contains _____. -
CORRECT ANSWERMultimode fiber
