Certified Fiber Optics Final Exam 2025 UPDATE/PRACTICE
QUESTIONS AND CORRECT VERIFIED ANSWERS(complete
solutions)ASSURED SUCCESS/GRADED A+!!!
Power is measured ______in a fiber optic system - CORRECT ANSWER-dbm
Loss is measured in____ in a fiber optic system - CORRECT ANSWER-db
light is electromagnetic energy with a ____wavelength and ____ frequency than
radio waves - CORRECT ANSWER-shorter, higher
The _____ is used to measure light - CORRECT ANSWER-measure
the deflection of light is called_____ - CORRECT ANSWER-refraction
when light passes from one medium to another some of the light energy is
_____back into the first material - CORRECT 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. - CORRECT ANSWER-Core, Cladding
,What makes up an optical fiber - CORRECT ANSWER-core, cladding, coating
the applications of optical fiber communications have increased at a rapid rate,
since the first commercial instillation of a fiber optic system in the - CORRECT
ANSWER-1970's
The loss of a signal strength is called - CORRECT ANSWER-attenuation
A single binary digit Is called a - CORRECT ANSWER-Bit
An eight bit group is called a - CORRECT ANSWER-Bite
The _______ is used to express gain or loss in a fiber optic system or component -
CORRECT ANSWER-Decibel
1mw of power is ___dbm - CORRECT ANSWER-0 dbm
A loss of 3dbm is a _____ percent loss in power. - CORRECT ANSWER-50%
mode is another name for - CORRECT ANSWER-Path
single mode fiber have a _____core than multimode fibers - CORRECT ANSWER-
smaller
, the part of the multimode optical fiber that functions as a mode filter is
the______ - CORRECT ANSWER-cladding
The standard core diameters of multimode fiber are___ and ___um. - CORRECT
ANSWER-50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking
- CORRECT ANSWER-Tensile
The Tensile strength of a fiber is_______ when it is bent - CORRECT ANSWER-
Refracted
The number of modes in an optical fiber decreases as the ___increases -
CORRECT ANSWER-Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent -
CORRECT ANSWER-Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ -
CORRECT ANSWER-Modal Dispersion
The number of modes in an optical fiber ____as the core diameter decreases -
CORRECT ANSWER-Decreases
QUESTIONS AND CORRECT VERIFIED ANSWERS(complete
solutions)ASSURED SUCCESS/GRADED A+!!!
Power is measured ______in a fiber optic system - CORRECT ANSWER-dbm
Loss is measured in____ in a fiber optic system - CORRECT ANSWER-db
light is electromagnetic energy with a ____wavelength and ____ frequency than
radio waves - CORRECT ANSWER-shorter, higher
The _____ is used to measure light - CORRECT ANSWER-measure
the deflection of light is called_____ - CORRECT ANSWER-refraction
when light passes from one medium to another some of the light energy is
_____back into the first material - CORRECT 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. - CORRECT ANSWER-Core, Cladding
,What makes up an optical fiber - CORRECT ANSWER-core, cladding, coating
the applications of optical fiber communications have increased at a rapid rate,
since the first commercial instillation of a fiber optic system in the - CORRECT
ANSWER-1970's
The loss of a signal strength is called - CORRECT ANSWER-attenuation
A single binary digit Is called a - CORRECT ANSWER-Bit
An eight bit group is called a - CORRECT ANSWER-Bite
The _______ is used to express gain or loss in a fiber optic system or component -
CORRECT ANSWER-Decibel
1mw of power is ___dbm - CORRECT ANSWER-0 dbm
A loss of 3dbm is a _____ percent loss in power. - CORRECT ANSWER-50%
mode is another name for - CORRECT ANSWER-Path
single mode fiber have a _____core than multimode fibers - CORRECT ANSWER-
smaller
, the part of the multimode optical fiber that functions as a mode filter is
the______ - CORRECT ANSWER-cladding
The standard core diameters of multimode fiber are___ and ___um. - CORRECT
ANSWER-50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking
- CORRECT ANSWER-Tensile
The Tensile strength of a fiber is_______ when it is bent - CORRECT ANSWER-
Refracted
The number of modes in an optical fiber decreases as the ___increases -
CORRECT ANSWER-Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent -
CORRECT ANSWER-Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______ -
CORRECT ANSWER-Modal Dispersion
The number of modes in an optical fiber ____as the core diameter decreases -
CORRECT ANSWER-Decreases
