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CERTIFIED FIBER OPTICS FINAL EXAM, FIBER OPTICS FINAL
TEST, FIBER INSTALLATION AND TESTING, OPTICAL FIBER
CERTIFICATION, FIBER TROUBLESHOOTING, VERIFIED ANSWERS,
FIBER OPTICS TECHNICIAN EXAM
when light passes from one medium to another some of the light energy is _____back into the
first material - ANSWER-Reflected
The refractive index profile describes the relation between the indices of ____ and ______.The
core of the multimode optical fiber has the highest refractive index. - ANSWER-Core, Cladding
What makes up an optical fiber - ANSWER-core, cladding, coating
mode is another name for - ANSWER-Path
single mode fiber have a _____core than multimode fibers - ANSWER-smaller
the part of the multimode optical fiber that functions as a mode filter is the______ - ANSWER-
cladding
The standard core diameters of multimode fiber are___ and ___um. - ANSWER-50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking - ANSWER-
Tensile
The Tensile strength of a fiber is_______ when it is bent - ANSWER-Refracted
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The number of modes in an optical fiber decreases as the ___increases - ANSWER-Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - ANSWER-
Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ - ANSWER-Modal
Dispersion
The number of modes in an optical fiber ____as the core diameter decreases - ANSWER-
Decreases
in accordance with the (ISO) (IEC) 1801 specifications, the___ was designed for use with OM1
and OM2 fibers - ANSWER-LED
The (ISO)(IEC) 1801 specifications for laser optimized multimode optical fiber types are ___ and
____ - ANSWER-0M3, OM4
One of the methods to reduce___ dispersion is to increase the wavelength of the transmitter -
ANSWER-Modal
Numerical Aperture is the light ___ ability of a fiber - ANSWER-Gathering
Light must enter threw the cone of ______ - ANSWER-Acceptance
NA range from about 0.500 for plastic fibers to ____ for multimode 50/125um graded index
fibers - ANSWER-.200
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the rule of thumb for the bend radius of and inside, indoor-outdoor, outside, and/or drop cable
when not subjected to Tensile loading is ___ times the outside diameter. - ANSWER-10 times
Material safety data sheets are ____ when chemicals are used - ANSWER-Required
NA mismatch is an___ factor - ANSWER-Intrinsic
Lateral displacement and end separation are ____ factors - ANSWER-Extrensic
__________ control includes having the fiber face perpendicular to the fiber axis, which is
function or proper fiber cleaning or polishing - ANSWER-Angular Misalignment
The _______ is most important requirement for a good mechanical and/or fusion slice -
ANSWER-Cleaver
A Fusion slicer uses and ___ to heat fibers to about____ degrees Celsius. - ANSWER-electric,
2000 degrees
The maximum loss for an indoor mechanical or fusion slice per ANSI?TIA-568-C.3 is ___ dB. -
ANSWER-0.30,
List the Five desirable features for a fiber optic connector or splice. - ANSWER-Concentricity, low
loss, Easy Inser, Economical, repeatability
List three types of factors that causes loss in fiber optic interconnections. - ANSWER-Intrinsic,
Extrinsic, system
The three types of Small Form Factor (SFF) connector styles are - ANSWER-LC, MC-RJ, MPO
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The connector strain relief and adapter housing for an OM1 62.5/125 um fiber is ____ -
ANSWER-serge
ferrules may be made up of _____,_____, and _____ - ANSWER-ceramic, plastic, steel
Ceramic ferrules are made of either______ oxide or _______ oxide - ANSWER-Aluminum,
Zironium
Single mode terminations are typically performed with factory______ - ANSWER-Pigtails
The maximum insertion loss for a connector pair per ANSI/TIA-568-C.3 is _____ db - ANSWER-
.75
The maximum insertion loss for a connector pair per Telcordia GR-326 Core standard is ____ -
ANSWER-.2db
The LC connector has a ___ diameter ferrule. - ANSWER-1.25mm
The _____ style of connector depends on the cleaver for optimum performance. - ANSWER-No
polish
Return reflection or Return loss can be reduced by rounding the fiber end with a _______ or
_________ finish. - ANSWER-Angular contact or physical contact
the array connector is typically attached to a ____ cable - ANSWER-Ribbon
CERTIFIED FIBER OPTICS FINAL EXAM, FIBER OPTICS FINAL
TEST, FIBER INSTALLATION AND TESTING, OPTICAL FIBER
CERTIFICATION, FIBER TROUBLESHOOTING, VERIFIED ANSWERS,
FIBER OPTICS TECHNICIAN EXAM
when light passes from one medium to another some of the light energy is _____back into the
first material - ANSWER-Reflected
The refractive index profile describes the relation between the indices of ____ and ______.The
core of the multimode optical fiber has the highest refractive index. - ANSWER-Core, Cladding
What makes up an optical fiber - ANSWER-core, cladding, coating
mode is another name for - ANSWER-Path
single mode fiber have a _____core than multimode fibers - ANSWER-smaller
the part of the multimode optical fiber that functions as a mode filter is the______ - ANSWER-
cladding
The standard core diameters of multimode fiber are___ and ___um. - ANSWER-50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking - ANSWER-
Tensile
The Tensile strength of a fiber is_______ when it is bent - ANSWER-Refracted
,2|Page
The number of modes in an optical fiber decreases as the ___increases - ANSWER-Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - ANSWER-
Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ - ANSWER-Modal
Dispersion
The number of modes in an optical fiber ____as the core diameter decreases - ANSWER-
Decreases
in accordance with the (ISO) (IEC) 1801 specifications, the___ was designed for use with OM1
and OM2 fibers - ANSWER-LED
The (ISO)(IEC) 1801 specifications for laser optimized multimode optical fiber types are ___ and
____ - ANSWER-0M3, OM4
One of the methods to reduce___ dispersion is to increase the wavelength of the transmitter -
ANSWER-Modal
Numerical Aperture is the light ___ ability of a fiber - ANSWER-Gathering
Light must enter threw the cone of ______ - ANSWER-Acceptance
NA range from about 0.500 for plastic fibers to ____ for multimode 50/125um graded index
fibers - ANSWER-.200
,3|Page
the rule of thumb for the bend radius of and inside, indoor-outdoor, outside, and/or drop cable
when not subjected to Tensile loading is ___ times the outside diameter. - ANSWER-10 times
Material safety data sheets are ____ when chemicals are used - ANSWER-Required
NA mismatch is an___ factor - ANSWER-Intrinsic
Lateral displacement and end separation are ____ factors - ANSWER-Extrensic
__________ control includes having the fiber face perpendicular to the fiber axis, which is
function or proper fiber cleaning or polishing - ANSWER-Angular Misalignment
The _______ is most important requirement for a good mechanical and/or fusion slice -
ANSWER-Cleaver
A Fusion slicer uses and ___ to heat fibers to about____ degrees Celsius. - ANSWER-electric,
2000 degrees
The maximum loss for an indoor mechanical or fusion slice per ANSI?TIA-568-C.3 is ___ dB. -
ANSWER-0.30,
List the Five desirable features for a fiber optic connector or splice. - ANSWER-Concentricity, low
loss, Easy Inser, Economical, repeatability
List three types of factors that causes loss in fiber optic interconnections. - ANSWER-Intrinsic,
Extrinsic, system
The three types of Small Form Factor (SFF) connector styles are - ANSWER-LC, MC-RJ, MPO
, 4|Page
The connector strain relief and adapter housing for an OM1 62.5/125 um fiber is ____ -
ANSWER-serge
ferrules may be made up of _____,_____, and _____ - ANSWER-ceramic, plastic, steel
Ceramic ferrules are made of either______ oxide or _______ oxide - ANSWER-Aluminum,
Zironium
Single mode terminations are typically performed with factory______ - ANSWER-Pigtails
The maximum insertion loss for a connector pair per ANSI/TIA-568-C.3 is _____ db - ANSWER-
.75
The maximum insertion loss for a connector pair per Telcordia GR-326 Core standard is ____ -
ANSWER-.2db
The LC connector has a ___ diameter ferrule. - ANSWER-1.25mm
The _____ style of connector depends on the cleaver for optimum performance. - ANSWER-No
polish
Return reflection or Return loss can be reduced by rounding the fiber end with a _______ or
_________ finish. - ANSWER-Angular contact or physical contact
the array connector is typically attached to a ____ cable - ANSWER-Ribbon
