FOA CFOT Certification Exam v11 (2025) comprehensive questions and
verified answers ( detailed & elaborated) ACTUAL EXAM 2025 TEST!!
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 referenced to 1 mw) and, when
used with a light source, can measure insertion loss expressed in dB. True or False? -
answer☑️✔️.True
When we say 62.5/125 fiber, what does "62.5" mean? - answer☑️✔️.core size, the diameter in
microns
When we say 50/125 fiber, what does "125" mean? - 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 _____. - answer☑️✔️.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. - answer☑️✔️.Higher
Which of the following represents a singlemode (smaller core size) fiber size? -
answer☑️✔️.9/125 micron
Singlemode fiber has _____ bandwidth than multimode fiber. - answer☑️✔️.greater
Most plastic optical fibers are _____. - answer☑️✔️.large core step-index
, When you strip singlemode or graded index multimode mode glass fiber, you are removing the
____. - answer☑️✔️.Primary buffer coating
The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of
the cable. - answer☑️✔️.Strength members
According to the references, hybrid cables are cables that contain ____. - 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? - answer☑️✔️.ribbon
According to the references, composite cables refer to cables that contain ____> -
answer☑️✔️.both optical fibers and copper conductors
Which optical fiber cables must be grounded? - answer☑️✔️.all cables that contain metallic
elements
Fiber optic cable for use inside a building must _______. - answer☑️✔️.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 _____. -
answer☑️✔️.Multimode fiber
Premises cable jackets are usually color-coded in what color to indicate singlemode fiber? -
answer☑️✔️.Yellow
verified answers ( detailed & elaborated) ACTUAL EXAM 2025 TEST!!
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 referenced to 1 mw) and, when
used with a light source, can measure insertion loss expressed in dB. True or False? -
answer☑️✔️.True
When we say 62.5/125 fiber, what does "62.5" mean? - answer☑️✔️.core size, the diameter in
microns
When we say 50/125 fiber, what does "125" mean? - 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 _____. - answer☑️✔️.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. - answer☑️✔️.Higher
Which of the following represents a singlemode (smaller core size) fiber size? -
answer☑️✔️.9/125 micron
Singlemode fiber has _____ bandwidth than multimode fiber. - answer☑️✔️.greater
Most plastic optical fibers are _____. - answer☑️✔️.large core step-index
, When you strip singlemode or graded index multimode mode glass fiber, you are removing the
____. - answer☑️✔️.Primary buffer coating
The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of
the cable. - answer☑️✔️.Strength members
According to the references, hybrid cables are cables that contain ____. - 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? - answer☑️✔️.ribbon
According to the references, composite cables refer to cables that contain ____> -
answer☑️✔️.both optical fibers and copper conductors
Which optical fiber cables must be grounded? - answer☑️✔️.all cables that contain metallic
elements
Fiber optic cable for use inside a building must _______. - answer☑️✔️.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 _____. -
answer☑️✔️.Multimode fiber
Premises cable jackets are usually color-coded in what color to indicate singlemode fiber? -
answer☑️✔️.Yellow
