Certified Fiber Optics Final Exam Questions & Answers Latest Update
Certified Fiber Optics Final Exam Questions &
Answers Latest Update
The applications of optical fiber communications have increased at a rapid rate, since the first
commercial instillation of a fiber optic system in the - ✔✔✔ - 1970's
The loss of a signal strength is called - ✔✔✔ - attenuation
A single binary digit is called a - ✔✔✔ - bit
An eight bit group is called a - ✔✔✔ - bite
The _______ is used to express gain or loss in a fiber optic system or component - ✔✔✔ - decibel
1mw of power is ___dbm - ✔✔✔ - 0 dbm
A loss of 3dbm is a _____ percent loss in power. - ✔✔✔ - 50%
Power is measured ______in a fiber optic system - ✔✔✔ - dbm
Loss is measured in____ in a fiber optic system - ✔✔✔ - db
Light is electromagnetic energy with a ____wavelength and ____ frequency than radio waves - ✔✔✔ -
shorter, higher
The _____ is used to measure light - ✔✔✔ - measure
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, Certified Fiber Optics Final Exam Questions & Answers Latest Update
The deflection of light is called_____ - ✔✔✔ - refraction
When light passes from one medium to another some of the light energy is _____back into the first
material - ✔✔✔ - 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. - ✔✔✔ - core, cladding
What makes up an optical fiber - ✔✔✔ - core, cladding, coating
Mode is another name for - ✔✔✔ - path
Single mode fiber have a _____core than multimode fibers - ✔✔✔ - smaller
The part of the multimode optical fiber that functions as a mode filter is the______ - ✔✔✔ - cladding
The standard core diameters of multimode fiber are___ and ___um. - ✔✔✔ - 50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking - ✔✔✔ - tensile
The tensile strength of a fiber is_______ when it is bent - ✔✔✔ - refracted
The number of modes in an optical fiber decreases as the ___increases - ✔✔✔ - wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - ✔✔✔ - intelligence
©®™ Page 2
Certified Fiber Optics Final Exam Questions &
Answers Latest Update
The applications of optical fiber communications have increased at a rapid rate, since the first
commercial instillation of a fiber optic system in the - ✔✔✔ - 1970's
The loss of a signal strength is called - ✔✔✔ - attenuation
A single binary digit is called a - ✔✔✔ - bit
An eight bit group is called a - ✔✔✔ - bite
The _______ is used to express gain or loss in a fiber optic system or component - ✔✔✔ - decibel
1mw of power is ___dbm - ✔✔✔ - 0 dbm
A loss of 3dbm is a _____ percent loss in power. - ✔✔✔ - 50%
Power is measured ______in a fiber optic system - ✔✔✔ - dbm
Loss is measured in____ in a fiber optic system - ✔✔✔ - db
Light is electromagnetic energy with a ____wavelength and ____ frequency than radio waves - ✔✔✔ -
shorter, higher
The _____ is used to measure light - ✔✔✔ - measure
©®™ Page 1
, Certified Fiber Optics Final Exam Questions & Answers Latest Update
The deflection of light is called_____ - ✔✔✔ - refraction
When light passes from one medium to another some of the light energy is _____back into the first
material - ✔✔✔ - 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. - ✔✔✔ - core, cladding
What makes up an optical fiber - ✔✔✔ - core, cladding, coating
Mode is another name for - ✔✔✔ - path
Single mode fiber have a _____core than multimode fibers - ✔✔✔ - smaller
The part of the multimode optical fiber that functions as a mode filter is the______ - ✔✔✔ - cladding
The standard core diameters of multimode fiber are___ and ___um. - ✔✔✔ - 50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking - ✔✔✔ - tensile
The tensile strength of a fiber is_______ when it is bent - ✔✔✔ - refracted
The number of modes in an optical fiber decreases as the ___increases - ✔✔✔ - wavelength
Bandwidth is and effective indication of the rate at which____ can be sent - ✔✔✔ - intelligence
©®™ Page 2
