Certified Fiber Optics Final Exam( Questions With
Correct Verified Answers ) 2025 Edition |Graded
A+| Guaranteed Pass
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 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
The number of modes in an optical fiber decreases as the ___increases - ANSWER Wavelength
Correct Verified Answers ) 2025 Edition |Graded
A+| Guaranteed Pass
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 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
The number of modes in an optical fiber decreases as the ___increases - ANSWER Wavelength
