Fiber Optic Technician | 152 Actual
Questions And Correct Answers | New
Update 2025
Most outside plant installations are single mode fiber. - ANSWERS True
Splicing is rare in premises networks. - ANSWERS True
Fiber is used in long distance phone networks because it is much cheaper than
copper wire. - ANSWERS True
Light from fiber optic cables is bright and easily visible. - ANSWERS False
Besides causing attenuation, dirt particles can cause scratches on the polished
fiber ends. - ANSWERS True
Outside plant cabling can be installed by __________. - ANSWERS Pulling in
underground in conduit, Direct burial & Aerial suspension
(All of the Above)
Underground cable generally includes a gel, powder or tape for protection from
__________. - ANSWERS Moisture
Armored cable is used in outside plant installations to __________. - ANSWERS
Prevent crushing and rodent damage
,Concatenation or the joining of two cables in a long outside plant run is almost
always done by __________. - ANSWERS Fusion splicing
Premise cables in LAN backbones may contain __________. - ANSWERS Both
multimode and singlemode fiber
Premises cables must be rated for __________ to meet codes. - ANSWERS Fire
retardance
The protective gear every VDV installer must always wear is __________. -
ANSWERS Eye protection
Information on the safety of chemicals used in fiber optics are __________. -
ANSWERS In MSDS sheets supplied by manufacturers
Always keep __________ on connectors when not connected to equipment or
being tested. - ANSWERS Dust caps
Optical fibers can transmit either voice, data or video and either analog or digital
signals. - ANSWERS True
Singlemode fiber has a smaller core than multimode fiber. - ANSWERS True
In an optical fiber, the light is transmitted through the __________. - ANSWERS
Core
, The diameter of an optical fiber is traditionally measured in __________. -
ANSWERS Microns (micrometers)
Rays of light transmitted in multimode fiber are called __________. -
ANSWERS Modes
Loss of a fiber or any fiber in a cable is measured in __________. - ANSWERS
dB
10 dB corresponds to a factor of __________ in power. - ANSWERS 10
A fiber stripper removes the __________ of the fiber. - ANSWERS Buffer
coating
The __________ protects the fiber from harm. - ANSWERS Primary buffer
coating, Aramid fiber strength members & Jacket
(All of the above)
Which fiber optic test instrument uses backscattered light for measurements? -
ANSWERS OTDR backscattered light from the fiber to indirectly measure loss
of the fiber and any other events (connectors, splices or bends).
The wavelength of light used for most fiber optic systems is in the __________
region and __________ to the human eye. - ANSWERS Infrared are used for
most fiber optic communications systems. This light is invisible to the human eye.
Questions And Correct Answers | New
Update 2025
Most outside plant installations are single mode fiber. - ANSWERS True
Splicing is rare in premises networks. - ANSWERS True
Fiber is used in long distance phone networks because it is much cheaper than
copper wire. - ANSWERS True
Light from fiber optic cables is bright and easily visible. - ANSWERS False
Besides causing attenuation, dirt particles can cause scratches on the polished
fiber ends. - ANSWERS True
Outside plant cabling can be installed by __________. - ANSWERS Pulling in
underground in conduit, Direct burial & Aerial suspension
(All of the Above)
Underground cable generally includes a gel, powder or tape for protection from
__________. - ANSWERS Moisture
Armored cable is used in outside plant installations to __________. - ANSWERS
Prevent crushing and rodent damage
,Concatenation or the joining of two cables in a long outside plant run is almost
always done by __________. - ANSWERS Fusion splicing
Premise cables in LAN backbones may contain __________. - ANSWERS Both
multimode and singlemode fiber
Premises cables must be rated for __________ to meet codes. - ANSWERS Fire
retardance
The protective gear every VDV installer must always wear is __________. -
ANSWERS Eye protection
Information on the safety of chemicals used in fiber optics are __________. -
ANSWERS In MSDS sheets supplied by manufacturers
Always keep __________ on connectors when not connected to equipment or
being tested. - ANSWERS Dust caps
Optical fibers can transmit either voice, data or video and either analog or digital
signals. - ANSWERS True
Singlemode fiber has a smaller core than multimode fiber. - ANSWERS True
In an optical fiber, the light is transmitted through the __________. - ANSWERS
Core
, The diameter of an optical fiber is traditionally measured in __________. -
ANSWERS Microns (micrometers)
Rays of light transmitted in multimode fiber are called __________. -
ANSWERS Modes
Loss of a fiber or any fiber in a cable is measured in __________. - ANSWERS
dB
10 dB corresponds to a factor of __________ in power. - ANSWERS 10
A fiber stripper removes the __________ of the fiber. - ANSWERS Buffer
coating
The __________ protects the fiber from harm. - ANSWERS Primary buffer
coating, Aramid fiber strength members & Jacket
(All of the above)
Which fiber optic test instrument uses backscattered light for measurements? -
ANSWERS OTDR backscattered light from the fiber to indirectly measure loss
of the fiber and any other events (connectors, splices or bends).
The wavelength of light used for most fiber optic systems is in the __________
region and __________ to the human eye. - ANSWERS Infrared are used for
most fiber optic communications systems. This light is invisible to the human eye.
