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JATC FIBER OPTICS FINAL EXAM CORRECT QUESTIONS AND ANSWERS
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JATC FIBER OPTICS FINAL EXAM CORRECT QUESTIONS AND ANSWERS Fiber optics is used in cars to connect their electronic systems. - True Copper networks can be converted to fiber optics using _____. - Media converters Telephone networks have been converted to fiber, including long distanc...

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  • September 19, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • jatc fiber optics final exam correct questions and

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  • FOA CFOT.
  • FOA CFOT.

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JATC FIBER OPTICS FINAL EXAM CORRECT
QUESTIONS AND ANSWERS


Fiber optics is used in cars to connect their electronic systems. - True

Copper networks can be converted to fiber optics using _____. - Media converters

Telephone networks have been converted to fiber, including long distance and
metropolitan networks, but fiber to the home (FTTH) is not yet feasible. - False

Which of the following communication systems typically use fiber-optic backbones? - -
CATV
- Cell phones
- Telephones
- Internet

In an industrial environment, fiber is most often used to _____. - Prevent
electromagnetic interference

An advantage of optical fiber is the fact that it is the most cost effective means of
transporting information over long distances. - True

The bandwidth and distance capability of optical fiber means that _____. - - Less
maintenance is required
- Fewer repeaters are needed
- Fewer cables are needed
- Less power is consumed by the network

The protective gear every voice/data/video (VDV) installer must always wear is _____. -
Eye protection

Information on the safety of chemicals used in fiber optics are _____. - In MSDS
supplied by the manufacturer.

Inspection microscopes can concentrate the light from a fiber into your eye causing
serious damage. - True

Bright red visible light is produced by a VFL that is safe to look at directly at the end of
the fiber. - False

A digital camera can see infrared light, so it can be used to determine if there is light
present in a fiber. - True

, Dangerous light from fiber optic cables is bright and easily visible. - False

During fiber optic installations, the most common danger is caused by _____. - Fiber
scraps or shards by cleaving, splicing, and termination.

If you inspect a fiber optic connector that is connected to a laser source with a
microscope, you will experience a high level of pain while your eye is damaged. - False

What are some potential hazards associated with the use of cleaning solvents that are
sometimes used when working with fiber optics? - - Vapors
- Skin irritation

To ensure that you are using proper protective eyewear, look for the _____ mark on
your glasses. - - ANSI Z87

Proper eyewear should include _____ for maximum protection from flying debris. - -
Side shields

SM fiber has a _____ light-carrying core than multimode (MM) fiber. - - Smaller

What is the core size of SM fiber? - 9 microns

The wavelength of light used for most fiber-optic systems is in the _____ region and
_____ to the human eye. - - Infrared
- Invisible

Multimode fiber has a larger core than single mode fiber measuring _____ microns in
diameter. - - 50 or 62.5 microns in diameter

In an optical fiber, the light is transmitted through the _____. - - Core

Rays of light transmitted in multimode fiber are called _____. - - Modes

The cladding of the fiber is stripped off the fiber when terminating. - False

What type of fiber optic cable would be used with a LED light source? - MM

Which of the following represents a single mode fiber size? - 9/125 microns

If a fiber optic cable has a "graded index" core, what type of fiber is it? - MM

"Thin strands of highly transparent glass or plastic that guide light" defines _____. - -
Optical fiber

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