Certified Fiber Optics Final
Exam ACCURATE 100%
the applications of optical fiber communications have increased at a rapid rate, since the first
commercial instillation of a fiber optic system in the - ANSWER 1970's
The loss of a signal strength is called - ANSWER attenuation
A single binary digit Is called a - ANSWER Bit
An eight bit group is called a - ANSWER Bite
The _______ is used to express gain or loss in a fiber optic system or component - ANSWER Decibel
1mw of power is ___dbm - ANSWER 0 dbm
A loss of 3dbm is a _____ percent loss in power. - ANSWER 50%
Power is measured ______in a fiber optic system - ANSWER dbm
Loss is measured in____ in a fiber optic system - ANSWER db
light is electromagnetic energy with a ____wavelength and ____ frequency than radio waves - ANSWER
shorter, higher
The _____ is used to measure light - ANSWER measure
, the deflection of light is called_____ - ANSWER refraction
when light passes from one medium to another some of the light energy is _____back into the first
material - ANSWER Reflected
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
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
Exam ACCURATE 100%
the applications of optical fiber communications have increased at a rapid rate, since the first
commercial instillation of a fiber optic system in the - ANSWER 1970's
The loss of a signal strength is called - ANSWER attenuation
A single binary digit Is called a - ANSWER Bit
An eight bit group is called a - ANSWER Bite
The _______ is used to express gain or loss in a fiber optic system or component - ANSWER Decibel
1mw of power is ___dbm - ANSWER 0 dbm
A loss of 3dbm is a _____ percent loss in power. - ANSWER 50%
Power is measured ______in a fiber optic system - ANSWER dbm
Loss is measured in____ in a fiber optic system - ANSWER db
light is electromagnetic energy with a ____wavelength and ____ frequency than radio waves - ANSWER
shorter, higher
The _____ is used to measure light - ANSWER measure
, the deflection of light is called_____ - ANSWER refraction
when light passes from one medium to another some of the light energy is _____back into the first
material - ANSWER Reflected
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
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
