ETA-I Study Guide (Fiber Optics Installer Certification) (FOI) Test
Questions
With Passed
Solutions
1. An optical fiber works based off of a principle Total Internal Reflection.
known as;
2. The bending of light as it passes from one transparent Refraction.
material into another which has a different
refractive index is what?
3. Light is electromagnetic radiation in the Infrared.
wave- length range including visible,
ultraviolet, X-rays and
.
4. What are the three parts of a typical optical fiber? Core, Cladding,
butter
Coating. (3 C's)
5. A simple fiber optic system consists of what four com- Transmitter,
receiver, fiber,
ponents? kind of
fiber? What
6. Which optical fiber is most suited for very high is the core
speed and long distance applications? size and
how is it
7. The reduction of power as a signal passes
identified
through a system is called (Also known as
now?
signal loss);
10. The
8. A fiber optic cable which has single-mode
spreading
and mul- ti-mode optical fibers is what kind
of light
of cable?
pulses as
9. A fiber with it's core having numerous they take
concentric lay- ers of glass, with each layer different
having a lower index of refraction is what paths in
traveling
1/
10
, ETA-I Study Guide (Fiber Optics Installer Certification) (FOI) Test
Questions
With Passed
Solutions
down a fiber is known as what? and connector.
Single-
mode.
Attenuation.
Hybrid.
Multi-mode graded-in- dex.
Modal Dispersion.
2/
10
Questions
With Passed
Solutions
1. An optical fiber works based off of a principle Total Internal Reflection.
known as;
2. The bending of light as it passes from one transparent Refraction.
material into another which has a different
refractive index is what?
3. Light is electromagnetic radiation in the Infrared.
wave- length range including visible,
ultraviolet, X-rays and
.
4. What are the three parts of a typical optical fiber? Core, Cladding,
butter
Coating. (3 C's)
5. A simple fiber optic system consists of what four com- Transmitter,
receiver, fiber,
ponents? kind of
fiber? What
6. Which optical fiber is most suited for very high is the core
speed and long distance applications? size and
how is it
7. The reduction of power as a signal passes
identified
through a system is called (Also known as
now?
signal loss);
10. The
8. A fiber optic cable which has single-mode
spreading
and mul- ti-mode optical fibers is what kind
of light
of cable?
pulses as
9. A fiber with it's core having numerous they take
concentric lay- ers of glass, with each layer different
having a lower index of refraction is what paths in
traveling
1/
10
, ETA-I Study Guide (Fiber Optics Installer Certification) (FOI) Test
Questions
With Passed
Solutions
down a fiber is known as what? and connector.
Single-
mode.
Attenuation.
Hybrid.
Multi-mode graded-in- dex.
Modal Dispersion.
2/
10
