Certified Fiber Optics Final Questions with
Correct Answers 2026-2027
The applications of optical fiber communications have increased at a rapid rate, since the first co
mmercial 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%
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 fi
rst material - CORRECT ANSWER -Reflected
The refractive index profile describes the relation between the indices of and .The c
ore 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
mode isRanother 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
Correct Answers 2026-2027
The applications of optical fiber communications have increased at a rapid rate, since the first co
mmercial 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%
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 fi
rst material - CORRECT ANSWER -Reflected
The refractive index profile describes the relation between the indices of and .The c
ore 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
mode isRanother 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