1|Page
CERTIFIED FIBER OPTICS FINAL EXAM NEWEST 2025/2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED||
Light emitting Diodes and lasers typically use red light in the
____range for diagnostics and trouble shooting. - ANSWER-635-
650
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
,2|Page
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
, 3|Page
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
CERTIFIED FIBER OPTICS FINAL EXAM NEWEST 2025/2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED||
Light emitting Diodes and lasers typically use red light in the
____range for diagnostics and trouble shooting. - ANSWER-635-
650
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
,2|Page
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
, 3|Page
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
