©Themoon EXAM SOLUTIONS
26/11/2024 10:59AM
FOA CFOT Certification Exam v11 All
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? - Answers✓✓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? -
Answers✓✓True
When we say 62.5/125 fiber, what does "62.5" mean? - Answers✓✓core size, the diameter in
microns
When we say 50/125 fiber, what does "125" mean? - Answers✓✓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 _____. - Answers✓✓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. - Answers✓✓Higher
Which of the following represents a singlemode (smaller core size) fiber size? -
Answers✓✓9/125 micron
, ©Themoon EXAM SOLUTIONS
26/11/2024 10:59AM
Singlemode fiber has _____ bandwidth than multimode fiber. - Answers✓✓greater
Most plastic optical fibers are _____. - Answers✓✓large core step-index
When you strip singlemode or graded index multimode mode glass fiber, you are removing the
____. - Answers✓✓Primary buffer coating
The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of
the cable. - Answers✓✓Strength members
According to the references, hybrid cables are cables that contain ____. - Answers✓✓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? - Answers✓✓ribbon
According to the references, composite cables refer to cables that contain ____> -
Answers✓✓both optical fibers and copper conductors
Which optical fiber cables must be grounded? - Answers✓✓all cables that contain metallic
elements
Fiber optic cable for use inside a building must _______. - Answers✓✓Be rated to meet the
requirements of local building and fire codes
26/11/2024 10:59AM
FOA CFOT Certification Exam v11 All
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? - Answers✓✓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? -
Answers✓✓True
When we say 62.5/125 fiber, what does "62.5" mean? - Answers✓✓core size, the diameter in
microns
When we say 50/125 fiber, what does "125" mean? - Answers✓✓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 _____. - Answers✓✓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. - Answers✓✓Higher
Which of the following represents a singlemode (smaller core size) fiber size? -
Answers✓✓9/125 micron
, ©Themoon EXAM SOLUTIONS
26/11/2024 10:59AM
Singlemode fiber has _____ bandwidth than multimode fiber. - Answers✓✓greater
Most plastic optical fibers are _____. - Answers✓✓large core step-index
When you strip singlemode or graded index multimode mode glass fiber, you are removing the
____. - Answers✓✓Primary buffer coating
The proper method of pulling optical fiber cables is to attach the pull wire or tape to the ____ of
the cable. - Answers✓✓Strength members
According to the references, hybrid cables are cables that contain ____. - Answers✓✓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? - Answers✓✓ribbon
According to the references, composite cables refer to cables that contain ____> -
Answers✓✓both optical fibers and copper conductors
Which optical fiber cables must be grounded? - Answers✓✓all cables that contain metallic
elements
Fiber optic cable for use inside a building must _______. - Answers✓✓Be rated to meet the
requirements of local building and fire codes
