FOA CFOT ALL QUESTIONS AND ANSWERS SET
A+
✔✔Singlemode fiber has _____ bandwidth than multimode fiber. - ✔✔greater
✔✔Most plastic optical fibers are _____. - ✔✔large core step-index
✔✔When you strip singlemode or graded index multimode mode glass fiber, you are
removing the ____. - ✔✔Primary buffer coating
✔✔The proper method of pulling optical fiber cables is to attach the pull wire or tape to
the ____ of the cable. - ✔✔Strength members
✔✔According to the references, hybrid cables are cables that contain ____. - ✔✔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? - ✔✔ribbon
✔✔According to the references, composite cables refer to cables that contain ____> -
✔✔both optical fibers and copper conductors
✔✔Which optical fiber cables must be grounded? - ✔✔all cables that contain metallic
elements
✔✔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 indicates the cable
contains _____. - ✔✔Multimode fiber
, ✔✔Premises cable jackets are usually color-coded in what color to indicate singlemode
fiber? - ✔✔Yellow
✔✔Premises cable jackets are usually color-coded in what color to indicate laser-
optimized 50/125 OM3 or OM4 fiber? - ✔✔Aqua
✔✔When pulling long lengths of cable in conduit or innerduct, you may need to ____. -
✔✔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 _____. -
✔✔To prevent water from entering the cable
✔✔Which type of cable is best suited for indoor installation when fibers ar to be directly
terminated inside a patch panel with adhesive/polish or prepolished splice connectors? -
✔✔tight buffer distribution cable
✔✔What type of cable may require installation of a breakout kit (also called a furcation
or fan out kit) for termination? - ✔✔loose tube (loose buffer) cable
✔✔When pulling cables, the minimum bend radius under tension is generally specified
as ______. - ✔✔20 times the cable diameter
✔✔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 ferrule is polished to a PC
(physical contact) finish. - ✔✔Reflectance
✔✔Factory terminations, such as used for making patchcords, generally use what
method of attaching the connector? - ✔✔Epoxy/polish
✔✔According to the references, the connector in the following list with the best or
lowest reflectance would be the ____. - ✔✔SC-APC (Angled Polished Connector)
✔✔Splices are most often used for _____. - ✔✔A permanent joint between two fibers
✔✔If you need to permanently join two fibers together with the lowest loss and least
amount of reflectance, which of the following should you choose? - ✔✔fusion splice
A+
✔✔Singlemode fiber has _____ bandwidth than multimode fiber. - ✔✔greater
✔✔Most plastic optical fibers are _____. - ✔✔large core step-index
✔✔When you strip singlemode or graded index multimode mode glass fiber, you are
removing the ____. - ✔✔Primary buffer coating
✔✔The proper method of pulling optical fiber cables is to attach the pull wire or tape to
the ____ of the cable. - ✔✔Strength members
✔✔According to the references, hybrid cables are cables that contain ____. - ✔✔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? - ✔✔ribbon
✔✔According to the references, composite cables refer to cables that contain ____> -
✔✔both optical fibers and copper conductors
✔✔Which optical fiber cables must be grounded? - ✔✔all cables that contain metallic
elements
✔✔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 indicates the cable
contains _____. - ✔✔Multimode fiber
, ✔✔Premises cable jackets are usually color-coded in what color to indicate singlemode
fiber? - ✔✔Yellow
✔✔Premises cable jackets are usually color-coded in what color to indicate laser-
optimized 50/125 OM3 or OM4 fiber? - ✔✔Aqua
✔✔When pulling long lengths of cable in conduit or innerduct, you may need to ____. -
✔✔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 _____. -
✔✔To prevent water from entering the cable
✔✔Which type of cable is best suited for indoor installation when fibers ar to be directly
terminated inside a patch panel with adhesive/polish or prepolished splice connectors? -
✔✔tight buffer distribution cable
✔✔What type of cable may require installation of a breakout kit (also called a furcation
or fan out kit) for termination? - ✔✔loose tube (loose buffer) cable
✔✔When pulling cables, the minimum bend radius under tension is generally specified
as ______. - ✔✔20 times the cable diameter
✔✔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 ferrule is polished to a PC
(physical contact) finish. - ✔✔Reflectance
✔✔Factory terminations, such as used for making patchcords, generally use what
method of attaching the connector? - ✔✔Epoxy/polish
✔✔According to the references, the connector in the following list with the best or
lowest reflectance would be the ____. - ✔✔SC-APC (Angled Polished Connector)
✔✔Splices are most often used for _____. - ✔✔A permanent joint between two fibers
✔✔If you need to permanently join two fibers together with the lowest loss and least
amount of reflectance, which of the following should you choose? - ✔✔fusion splice
