FIBER OPTIC- ETA FOI CERTIFICATION REVIEW
The figure represents a typical cross section of multimode fiber. The Cladding is
represented by which letter. - Answers - B
Which element in loose tube fiber optic cable structure prevents water intrusion onto
fiber - Answers - Gel/tapes/Powders
When using dBm, power levels ____ are negative values, for example -3dBm - Answers
- 1mW
All connectors should be _____ prior to mating. - Answers - Cleaned
The OM5 designation describes ______. - Answers - Wideband Multimode fibers
When chemicals are used which forms must be available? - Answers - SDS or MSDS
Installers must consider which of the following when installing fiber optic cables inside a
building? - Answers - NEC or CEC codes
Light sources used to test multimode Enterprise Networks normally use what type of
electro-optic component? - Answers - LED
What instrument is used for testing of fiber spans and includes Loss per kilometer and
total distance of span measurement? - Answers - Optical time domain reflectometer
The maximum insertion loss for a mated connector pair is specified as ______
ANSI/TIA-568 used for commercial buildings. - Answers - 0.75dB
Improper bending of an optical fiber cable may cause______ - Answers - Macrobending
losses
When preparing to install a fiber optic cable in conduit you must be aware of the
maximum _____percentage by cross-section area as defined in the NEC. - Answers -
Fill ratio
Reflectance is the ratio of reflected power to incident power and is typically expressed
in. - Answers - dB
Which of the following polishes provides the lowest reflection? - Answers - Angled
Physical Connector (APC)
, What term below is used to describe the bending of light wave caused by a speed
change passing from one transparent medium to another transparent medium? -
Answers - Refraction
Which of the following types of fiber has the minimal amount of modal dispersion? -
Answers - 9/125 um
Infrared lasers_________because they are not visible to the unaided eye - Answers -
Can be dangerous to your eyes
Where does the NEC/CEC mainly apply? - Answers - Public and private premises
installation.
Low cost single-mode fiber optic systems typically use_____Light Sources - Answers -
Fabry-Perot laser
What Tier level requires Optical Time Domain Reflectometer (OTDR) testing? - Answers
- Tier 2
What is the maximum allowed splice insertion loss for single-mode optical fiber as
specified by TIA-758? - Answers - .30 dB mean
Which of the following types of fiber would be ideal for indoor (or inside building)
instalation? - Answers - Bend insensitive
What is the name of indoor tight-buffer "non-breakout" style cable? - Answers -
Distribution
Is used to describe attenuation in an optical fiber. - Answers - dB
Most single-mode fibers are terminated with factory fabricated____ - Answers - Pigtails
The maximum splice value is______as specified by the TIA 568-C and TIA 758
standards. - Answers - .3 dB
Which of the following multimode fibers has the highest bandwidth? - Answers - OM4
Which government agency writes and enforces safety rules for the workplace - Answers
- OSHA
A _____provides a means to connect horizontal ( cabling subsystem 1) or backbone
(cabling subsystem 2) cable to an arrangement of fixed connectors - Answers - Patch
panel
What Tier test level requires optical loss testing and polarity verification? - Answers -
Tier 1
The figure represents a typical cross section of multimode fiber. The Cladding is
represented by which letter. - Answers - B
Which element in loose tube fiber optic cable structure prevents water intrusion onto
fiber - Answers - Gel/tapes/Powders
When using dBm, power levels ____ are negative values, for example -3dBm - Answers
- 1mW
All connectors should be _____ prior to mating. - Answers - Cleaned
The OM5 designation describes ______. - Answers - Wideband Multimode fibers
When chemicals are used which forms must be available? - Answers - SDS or MSDS
Installers must consider which of the following when installing fiber optic cables inside a
building? - Answers - NEC or CEC codes
Light sources used to test multimode Enterprise Networks normally use what type of
electro-optic component? - Answers - LED
What instrument is used for testing of fiber spans and includes Loss per kilometer and
total distance of span measurement? - Answers - Optical time domain reflectometer
The maximum insertion loss for a mated connector pair is specified as ______
ANSI/TIA-568 used for commercial buildings. - Answers - 0.75dB
Improper bending of an optical fiber cable may cause______ - Answers - Macrobending
losses
When preparing to install a fiber optic cable in conduit you must be aware of the
maximum _____percentage by cross-section area as defined in the NEC. - Answers -
Fill ratio
Reflectance is the ratio of reflected power to incident power and is typically expressed
in. - Answers - dB
Which of the following polishes provides the lowest reflection? - Answers - Angled
Physical Connector (APC)
, What term below is used to describe the bending of light wave caused by a speed
change passing from one transparent medium to another transparent medium? -
Answers - Refraction
Which of the following types of fiber has the minimal amount of modal dispersion? -
Answers - 9/125 um
Infrared lasers_________because they are not visible to the unaided eye - Answers -
Can be dangerous to your eyes
Where does the NEC/CEC mainly apply? - Answers - Public and private premises
installation.
Low cost single-mode fiber optic systems typically use_____Light Sources - Answers -
Fabry-Perot laser
What Tier level requires Optical Time Domain Reflectometer (OTDR) testing? - Answers
- Tier 2
What is the maximum allowed splice insertion loss for single-mode optical fiber as
specified by TIA-758? - Answers - .30 dB mean
Which of the following types of fiber would be ideal for indoor (or inside building)
instalation? - Answers - Bend insensitive
What is the name of indoor tight-buffer "non-breakout" style cable? - Answers -
Distribution
Is used to describe attenuation in an optical fiber. - Answers - dB
Most single-mode fibers are terminated with factory fabricated____ - Answers - Pigtails
The maximum splice value is______as specified by the TIA 568-C and TIA 758
standards. - Answers - .3 dB
Which of the following multimode fibers has the highest bandwidth? - Answers - OM4
Which government agency writes and enforces safety rules for the workplace - Answers
- OSHA
A _____provides a means to connect horizontal ( cabling subsystem 1) or backbone
(cabling subsystem 2) cable to an arrangement of fixed connectors - Answers - Patch
panel
What Tier test level requires optical loss testing and polarity verification? - Answers -
Tier 1
