FIBER OPTIC PRACTICE TEST
QUESTIONS AND ANSWERS
(GRADED A)
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
QUESTIONS AND ANSWERS
(GRADED A)
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
