FOA CFOT CERTIFICATION EXAM 2024 NEWEST ACTUAL EXAM
COMPLETE 200 QUESTIONS WITH DETAILED VERIFIED ANSWERS
/ ALREADY GRADED A+ // BRAND NEW!!
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
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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.
- 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
Premises cable jackets are usually color-coded in what color to indicate laser-optimized 50/125 OM3 or
OM4 fiber? - ANSWER ✔✔-Aqua
When pulling long lengths of cable in conduit or innerduct, you may need to ____. - ANSWER ✔✔-Any
or all of these as appropriate (Pull form the center to the ends, Use a breakaway swivel or monitor
tension, Lubricate the cable)
In a loose tube cable, a gel or absorbent tape or powder is normally used _____. - ANSWER ✔✔-To
prevent water from entering the cable
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