Certified Fiber Optics Final Exam Solved
Correctly To Score A+ | Verified!!!
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 ANSWERS
1970's
The loss of a signal strength is called CORRECT ANSWERS attenuation
A single binary digit Is called a CORRECT ANSWERS Bit
An eight bit group is called a CORRECT ANSWERS Bite
The _______ is used to express gain or loss in a fiber optic system or component
CORRECT ANSWERS Decibel
1mw of power is ___dbm CORRECT ANSWERS 0 dbm
A loss of 3dbm is a _____ percent loss in power. CORRECT ANSWERS 50%
Power is measured ______in a fiber optic system CORRECT ANSWERS dbm
Loss is measured in____ in a fiber optic system CORRECT ANSWERS db
light is electromagnetic energy with a ____wavelength and ____ frequency than radio
waves CORRECT ANSWERS shorter, higher
The _____ is used to measure light CORRECT ANSWERS measure
the deflection of light is called_____ CORRECT ANSWERS refraction
when light passes from one medium to another some of the light energy is _____back
into the first material CORRECT ANSWERS 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 ANSWERS Core, Cladding
What makes up an optical fiber CORRECT ANSWERS core, cladding, coating
mode is another name for CORRECT ANSWERS Path
single mode fiber have a _____core than multimode fibers CORRECT ANSWERS
smaller
, the part of the multimode optical fiber that functions as a mode filter is the______
CORRECT ANSWERS cladding
The standard core diameters of multimode fiber are___ and ___um. CORRECT
ANSWERS 50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking
CORRECT ANSWERS Tensile
The Tensile strength of a fiber is_______ when it is bent CORRECT ANSWERS
Refracted
The number of modes in an optical fiber decreases as the ___increases CORRECT
ANSWERS Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent CORRECT
ANSWERS Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______
CORRECT ANSWERS Modal Dispersion
The number of modes in an optical fiber ____as the core diameter decreases
CORRECT ANSWERS Decreases
in accordance with the (ISO) (IEC) 1801 specifications, the___ was designed for use
with OM1 and OM2 fibers CORRECT ANSWERS LED
The (ISO)(IEC) 1801 specifications for laser optimized multimode optical fiber types are
___ and ____ CORRECT ANSWERS 0M3, OM4
One of the methods to reduce___ dispersion is to increase the wavelength of the
transmitter CORRECT ANSWERS Modal
Numerical Aperture is the light ___ ability of a fiber CORRECT ANSWERS Gathering
Light must enter threw the cone of ______ CORRECT ANSWERS Acceptance
NA range from about 0.500 for plastic fibers to ____ for multimode 50/125um graded
index fibers CORRECT ANSWERS .200
the rule of thumb for the bend radius of and inside, indoor-outdoor, outside, and/or drop
cable when not subjected to Tensile loading is ___ times the outside diameter.
CORRECT ANSWERS 10 times
Correctly To Score A+ | Verified!!!
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 ANSWERS
1970's
The loss of a signal strength is called CORRECT ANSWERS attenuation
A single binary digit Is called a CORRECT ANSWERS Bit
An eight bit group is called a CORRECT ANSWERS Bite
The _______ is used to express gain or loss in a fiber optic system or component
CORRECT ANSWERS Decibel
1mw of power is ___dbm CORRECT ANSWERS 0 dbm
A loss of 3dbm is a _____ percent loss in power. CORRECT ANSWERS 50%
Power is measured ______in a fiber optic system CORRECT ANSWERS dbm
Loss is measured in____ in a fiber optic system CORRECT ANSWERS db
light is electromagnetic energy with a ____wavelength and ____ frequency than radio
waves CORRECT ANSWERS shorter, higher
The _____ is used to measure light CORRECT ANSWERS measure
the deflection of light is called_____ CORRECT ANSWERS refraction
when light passes from one medium to another some of the light energy is _____back
into the first material CORRECT ANSWERS 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 ANSWERS Core, Cladding
What makes up an optical fiber CORRECT ANSWERS core, cladding, coating
mode is another name for CORRECT ANSWERS Path
single mode fiber have a _____core than multimode fibers CORRECT ANSWERS
smaller
, the part of the multimode optical fiber that functions as a mode filter is the______
CORRECT ANSWERS cladding
The standard core diameters of multimode fiber are___ and ___um. CORRECT
ANSWERS 50nm, 62.5
_______strength is the ability of a fiber to be stretched or pulled without breaking
CORRECT ANSWERS Tensile
The Tensile strength of a fiber is_______ when it is bent CORRECT ANSWERS
Refracted
The number of modes in an optical fiber decreases as the ___increases CORRECT
ANSWERS Wavelength
Bandwidth is and effective indication of the rate at which____ can be sent CORRECT
ANSWERS Intelligence
Graded index fibers uses numerous concentric layers of glass to reduce______
CORRECT ANSWERS Modal Dispersion
The number of modes in an optical fiber ____as the core diameter decreases
CORRECT ANSWERS Decreases
in accordance with the (ISO) (IEC) 1801 specifications, the___ was designed for use
with OM1 and OM2 fibers CORRECT ANSWERS LED
The (ISO)(IEC) 1801 specifications for laser optimized multimode optical fiber types are
___ and ____ CORRECT ANSWERS 0M3, OM4
One of the methods to reduce___ dispersion is to increase the wavelength of the
transmitter CORRECT ANSWERS Modal
Numerical Aperture is the light ___ ability of a fiber CORRECT ANSWERS Gathering
Light must enter threw the cone of ______ CORRECT ANSWERS Acceptance
NA range from about 0.500 for plastic fibers to ____ for multimode 50/125um graded
index fibers CORRECT ANSWERS .200
the rule of thumb for the bend radius of and inside, indoor-outdoor, outside, and/or drop
cable when not subjected to Tensile loading is ___ times the outside diameter.
CORRECT ANSWERS 10 times
