Answers
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
, JATC Fiber Optics Final Questions And
Answers
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
, JATC Fiber Optics Final Questions And
Answers
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