A fiber optic inspection microscope can increase the True
danger of high powered light sources by focusing the light
coming out of a fiber into your eye. True or False?
A fiber optic power meter measures absolute power in True
dBM (dB referenced to 1 mw) and, when used with a light
source, can measure insertion loss expressed in dB. True
or False?
When we say 62.5/125 fiber, what does "62.5" mean? core size, the diameter in microns
When we say 50/125 fiber, what does "125" mean? cladding size, the diameter in microns
OM3 and OM4 multimode fiber with a 50/125 micron core Are "laser optimized" which gives more distance capability with gigabit networks
are now a popular option in premises cabling systems using laser sources
because they _____.
In-multimode fiber, the attenuation (reduction in optical Higher
power) of the fiber is _____ at 850 nm than at 1300 nm.
Which of the following represents a singlemode (smaller 9/125 micron
core size) fiber size?
Singlemode fiber has _____ bandwidth than multimode greater
fiber.
Most plastic optical fibers are _____. large core step-index
When you strip singlemode or graded index multimode Primary buffer coating
mode glass fiber, you are removing the ____.
The proper method of pulling optical fiber cables is to Strength members
attach the pull wire or tape to the ____ of the cable.
According to the references, hybrid cables are cables that Both singelmode and multimode optical fibers
contain ____.
What type of fiber cable design allows for large numbers of ribbon
fibers with ultra-high density, small size (diameter) and
lower cost?
According to the references, composite cables refer to both optical fibers and copper conductors
cables that contain ____>
Which optical fiber cables must be grounded? all cables that contain metallic elements
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, FOA CFOT Certification Exam v11 | Practice Questions & Answers
Fiber optic cable for use inside a building must _______. Be rated to meet the requirements of local building and fire codes
Optical fiber cable with a orange colored jacket generally Multimode fiber
indicates the cable contains _____.
Premises cable jackets are usually color-coded in what Yellow
color to indicate singlemode fiber?
Premises cable jackets are usually color-coded in what Aqua
color to indicate laser-optimized 50/125 OM3 or OM4
fiber?
When pulling long lengths of cable in conduit or innerduct, Any or all of these as appropriate (Pull form the center to the ends, Use a
you may need to ____. breakaway swivel or monitor tension, Lubricate the cable)
In a loose tube cable, a gel or absorbent tape or powder is To prevent water from entering the cable
normally used _____.
Which type of cable is best suited for indoor installation tight buffer distribution cable
when fibers ar to be directly terminated inside a patch
panel with adhesive/polish or prepolished splice
connectors?
What type of cable may require installation of a breakout loose tube (loose buffer) cable
kit (also called a furcation or fan out kit) for termination?
When pulling cables, the minimum bend radius under 20 times the cable diameter
tension is generally specified as ______.
Cable ties used on fiber optic cables ____. Can harm cables if too tight, so they should be hand-tightened.
Fiber optic joints (connectors or splices) should have ____. low loss, minimal reflectance and high mechanical strength
To reduce _____ as well as loss, the end of a connector Reflectance
ferrule is polished to a PC (physical contact) finish.
Factory terminations, such as used for making patchcords, Epoxy/polish
generally use what method of attaching the connector?
According to the references, the connector in the following SC-APC (Angled Polished Connector)
list with the best or lowest reflectance would be the ____.
Splices are most often used for _____. A permanent joint between two fibers
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