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ETA Fiber Optic Installer Certification - Study Guide Terms in this set (98) ETA Fiber Optic Installer Certification - Study Guide What is it called when light bends when moving between water and air? Refraction What i$7.99
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ETA Fiber Optic Installer Certification - Study Guide Terms in this set (98) ETA Fiber Optic Installer Certification - Study Guide What is it called when light bends when moving between water and air? Refraction What i
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CGAP - Certified Government Auditing Professional
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CGAP - Certified Government Auditing Professional
ETA Fiber Optic Installer Certification - Study Guide
Terms in this set (98)
ETA Fiber Optic Installer Certification - Study Guide
What is it called when light bends when moving between water and air? Refraction
What is the ...
ETA Fiber Optic Installer Certification - Study Guide
Jeremiah
Terms in this set (98)
Light is electromagnetic energy with a _____ Higher; shorter
frequency and a ____ wavelength compared
to radios.
What type of light is used in fiber optic Infrared (IR)
transmissions?
What are the four items needed for a fiber Transmitter, fiber optic cable, receiver, and connector
optic system to work?
1 mW is the same as what in dBm? 0 dBm (absolute power)
How is the power measured in fiber optics? dBm
What fiber optic wavelength has the lowest 1550 nm wavelength
loss?
What wavelength windows are used most for 850 nm, 1300 nm, and 1550 nm wavelengths
fiber optic communications?
What year was fiber optic cable first used in 1977
commercial telephone systems in the U.S.?
What light source is used for singlemode Laser diode
fiber?
What two light sources are used with LED and VCSEL
multimode fiber?
All wavelengths of light travel at the same False; different wavelengths of light travel at different velocities
speed. (true or false; why)
Which type of fiber has the larger core size: Multimode
singlemode or multimode?
What is OSHA responsible for? OSHA is responsible for enforcing it's standards on regulated entities
What are two ways to reduce modal Use a smaller core; use graded-index fiber
dispersion?
What happens to the wavelength in fiber The wavelength gets shorter with more modes
when the number of modes increase?
ETAdoes
Where Fiber Optic
Fresnel Installer
reflection occur? Certification - Study
Air gas and Guide
mechanical interconnections
1/5
, 9/3/24, 9:22 PM
What is it called when light bends when Refraction
moving between water and air?
What is the refractive index of the core and Core - 1.457 and 1.451; cladding - 1.42
cladding of fiber?
Singlemode fiber systems usually operate at 1310 nm, 1550 nm, and 1625 nm wavelengths
what three wavelengths?
What two multimode wavelengths are the 850 nm and 1300 nm wavelengths
most commonly used?
How is attenuation measured? Decibels (dB)
What is a "mode" in fiber? A path of light
What will happen to the tensile strength of a The tensile strength decreases
fiber cable if it is bent more than
recommended?
OM3 and OM4 multimode fibers are known Laser optimized multimode fiber
as what type of fiber?
What are the two most common core and 62.5/125 um (US); 50/125 um (EU)
cladding sizes in multimode fiber?
What is the buffer size for a fiber used in 900 um
tight buffered cables?
What jacket color does singlemode fiber Yellow
have?
What are the 12 fiber color codes in order? Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua
OM1 and OM2 are known as what types of Legacy multimode fibers
fibers?
Why does graded-index fiber use numerous Reduce modal dispersion
concentric layers of glass?
What is the fiber's cladding bonded to Ferrule connector
during the assembly process?
A fiber optic cable that is "fire retardant and Plenum
low smoke" is called what according to the
NEC?
What type of fiber has an aqua jacket? Laser optimized multimode fiber
What does the gel in a loose tube fiber optic Protects the fiber from moisture in outdoor environments
cable protect the fiber from if the jacket
fails?
What is OFNR? Optical Fiber Non-conductive Riser
The NEC considers cables that contain no Non-conductive cable
conductive members as what type of cable?
What type of cable has optical fibers and Composite cable
current-carrying electrical conductors in the
same jacket?
What is the name of the tight-buffered cable Distribution cable
used for indoor applications?
What is the last thing you do before you test Clean it
a connection?
ETA Fiber Optic Installer Certification - Study Guide
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