FIBER OPTIC PRACTICE TEST
In an industrial environment, fiber is most often used to ? - Answer-Prevent electromagnetic
interference
T or F. Fiber optics is used in cars to connect their electronic systems - Answer-True
Copper networks can be converted to fiber optics using ______. - Answer-Media converters
Which of the following communication systems typically use fiber-optic backbones? (Choose all that
apply)
1. Cell phones
2. CATV
3. Telephones
4. Internet - Answer-Internet
T or F. An advantage of optical fiber is the fact that it is the most cost effective means of transporting
information over long distances. - Answer-True
T or F. Bright red visible light is produced by a VFL that is safe to look at directly at the end of the fiber. -
Answer-False
T or F. Dangerous light from fiber optic cables is right and easily visible. - Answer-True
The protective gear every voice/data/video(VDV) installer must always wear is ? - Answer-Eye Protection
, T or F. A digital camara can see infrared light, so it can be used to determine if there is light present in a
fiber. - Answer-True
T or F. Inspection microscopes can concentrate the light from a fiber into your eye causing serious
damage. - Answer-False
The wavelength of light used for most fiber-optic systems is in the ____ region and ____ to the human
eye. - Answer-Infrared/invisible
The bandwidth and distance capability of optical fiber means that____? (Choose all that apple)
1. Less maintenance is required
2. Less power is consumed by the Network
3. Fewer cable are needed
4. Fewer repeaters are needed - Answer-All of the above
T or F. Telephone networks have been converted to fiber, including long distance and metropolitan
networks, but fiber to the home (FTTH) is not yet feasible. - Answer-True
Information on the safety of chemicals used in fiber optics are? - Answer-In MSDS sheets supplied by
manufacturers
During fiber optic installations, the most common danger is caused by ______. - Answer-Fiber scraps or
shards from stripping, cleaving, splicing and terminate
Multimode fiber has a larger core than single mode fiber measuring____ microns in diameter? - Answer-
50 or 62.5
The term "nanometer" is a measurement that uses often used in fiber optics to express. - Answer-
Wavelengths of light
In an industrial environment, fiber is most often used to ? - Answer-Prevent electromagnetic
interference
T or F. Fiber optics is used in cars to connect their electronic systems - Answer-True
Copper networks can be converted to fiber optics using ______. - Answer-Media converters
Which of the following communication systems typically use fiber-optic backbones? (Choose all that
apply)
1. Cell phones
2. CATV
3. Telephones
4. Internet - Answer-Internet
T or F. An advantage of optical fiber is the fact that it is the most cost effective means of transporting
information over long distances. - Answer-True
T or F. Bright red visible light is produced by a VFL that is safe to look at directly at the end of the fiber. -
Answer-False
T or F. Dangerous light from fiber optic cables is right and easily visible. - Answer-True
The protective gear every voice/data/video(VDV) installer must always wear is ? - Answer-Eye Protection
, T or F. A digital camara can see infrared light, so it can be used to determine if there is light present in a
fiber. - Answer-True
T or F. Inspection microscopes can concentrate the light from a fiber into your eye causing serious
damage. - Answer-False
The wavelength of light used for most fiber-optic systems is in the ____ region and ____ to the human
eye. - Answer-Infrared/invisible
The bandwidth and distance capability of optical fiber means that____? (Choose all that apple)
1. Less maintenance is required
2. Less power is consumed by the Network
3. Fewer cable are needed
4. Fewer repeaters are needed - Answer-All of the above
T or F. Telephone networks have been converted to fiber, including long distance and metropolitan
networks, but fiber to the home (FTTH) is not yet feasible. - Answer-True
Information on the safety of chemicals used in fiber optics are? - Answer-In MSDS sheets supplied by
manufacturers
During fiber optic installations, the most common danger is caused by ______. - Answer-Fiber scraps or
shards from stripping, cleaving, splicing and terminate
Multimode fiber has a larger core than single mode fiber measuring____ microns in diameter? - Answer-
50 or 62.5
The term "nanometer" is a measurement that uses often used in fiber optics to express. - Answer-
Wavelengths of light
