ETA FIBER OPTIC INSTALLER CERTIFICATION
STUDY GUIDE LATEST 2026 STUDY QUESTIONS
WITH CORRECT SOLUTIONS ASSURED PASS
RATED
, ETA FIBER OPTIC INSTALLER CERTIFICATION
STUDY GUIDE LATEST 2026 STUDY QUESTIONS
WITH CORRECT SOLUTIONS ASSURED PASS RATED
Name three advantages of fiber optic cables versus copper cables. - Answer>>> Security, light
weight, bandwidth, low signal loss, electromagnetic immunity, safety, and small size
What is the generally accepted dynamic bend radius of a fiber optic cable? - Answer>>> 20
times dynamic; 10 times static
Why does graded-index fiber use numerous concentric layers of glass? - Answer>>> Reduce
modal dispersion
What is the refractive index of the core and cladding of fiber? - Answer>>> Core - 1.457 and
1.451; cladding - 1.42
When inspecting the end face of a connector, where are you allowed to have minor defects? -
Answer>>> Outer cladding
If you have a cross section of a fiber optic cable, where is the cladding: center, middle, outer
ring? - Answer>>> Middle
Singlemode fiber systems usually operate at what three wavelengths? - Answer>>> 1310 nm,
1550 nm, and 1625 nm wavelengths
What test equipment requires periodic and traceable calibrations? - Answer>>> Optical power
meter
When using a conduit with one cable, what is the maximum fill ratio percentage by cross-
sectional area? - Answer>>> 53%
The splicing environment must be kept as _____ as possible. - Answer>>> Clean
The Telcordia general recommendation GR-326 CORE specification recommends that fiber
optic connectors have a repeatability value of not greater than _____. - Answer>>> .2 dB
STUDY GUIDE LATEST 2026 STUDY QUESTIONS
WITH CORRECT SOLUTIONS ASSURED PASS
RATED
, ETA FIBER OPTIC INSTALLER CERTIFICATION
STUDY GUIDE LATEST 2026 STUDY QUESTIONS
WITH CORRECT SOLUTIONS ASSURED PASS RATED
Name three advantages of fiber optic cables versus copper cables. - Answer>>> Security, light
weight, bandwidth, low signal loss, electromagnetic immunity, safety, and small size
What is the generally accepted dynamic bend radius of a fiber optic cable? - Answer>>> 20
times dynamic; 10 times static
Why does graded-index fiber use numerous concentric layers of glass? - Answer>>> Reduce
modal dispersion
What is the refractive index of the core and cladding of fiber? - Answer>>> Core - 1.457 and
1.451; cladding - 1.42
When inspecting the end face of a connector, where are you allowed to have minor defects? -
Answer>>> Outer cladding
If you have a cross section of a fiber optic cable, where is the cladding: center, middle, outer
ring? - Answer>>> Middle
Singlemode fiber systems usually operate at what three wavelengths? - Answer>>> 1310 nm,
1550 nm, and 1625 nm wavelengths
What test equipment requires periodic and traceable calibrations? - Answer>>> Optical power
meter
When using a conduit with one cable, what is the maximum fill ratio percentage by cross-
sectional area? - Answer>>> 53%
The splicing environment must be kept as _____ as possible. - Answer>>> Clean
The Telcordia general recommendation GR-326 CORE specification recommends that fiber
optic connectors have a repeatability value of not greater than _____. - Answer>>> .2 dB
