CERTIFIED FIBER OPTICS FINAL EXAM, FIBER
OPTICS FINAL TEST, FIBER INSTALLATION AND
TESTING, OPTICAL FIBER CERTIFICATION, FIBER
TROUBLESHOOTING, VERIFIED ANSWERS, FIBER
OPTICS TECHNICIAN EXAM
A Fiber optic installer should allow for extra ____ when installing a cable to
allow for future changes or restorations in the network design. - CORRECT
ANSWER✔✔ Slack
________ plant cables are permitted to be installed in the building as long
as the cable dose not exceed 15m(50 ft) - CORRECT ANSWER✔✔ Outside
Multimode fiber optic systems typically operate at____ and ____ using a
_____ source - CORRECT ANSWER✔✔ LED
single mode fiber optic systems typically operate at ______ and ______
source - CORRECT ANSWER✔✔ 850-1310, 1300-1550, LED Laser
(LAN's) typically used _______ sources and Wide Area Networks typically
used________sources - CORRECT ANSWER✔✔ LED, Laser
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The newest laser optimized multimode optical fiber Is designed for 1
Gigabit per second or greater data rates in communication system utilizing
an___ nm vertically cavity surface-emitting laser(VCSEL) - CORRECT
ANSWER✔✔ 850
the applications of optical fiber communications have increased at a rapid
rate, since the first commercial instillation of a fiber optic system in the -
CORRECT ANSWER✔✔ 1970's
The loss of a signal strength is called - CORRECT ANSWER✔✔ attenuation
A single binary digit Is called a - CORRECT ANSWER✔✔ Bit
An eight bit group is called a - CORRECT ANSWER✔✔ Bite
The _______ is used to express gain or loss in a fiber optic system or
component - CORRECT ANSWER✔✔ Decibel
1mw of power is ___dbm - CORRECT ANSWER✔✔ 0 dbm
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A loss of 3dbm is a _____ percent loss in power. - CORRECT ANSWER✔✔
50%
Power is measured ______in a fiber optic system - CORRECT ANSWER✔✔
dbm
Loss is measured in____ in a fiber optic system - CORRECT ANSWER✔✔ db
light is electromagnetic energy with a ____wavelength and ____ frequency
than radio waves - CORRECT ANSWER✔✔ shorter, higher
The _____ is used to measure light - CORRECT ANSWER✔✔ measure
the deflection of light is called_____ - CORRECT ANSWER✔✔ refraction
when light passes from one medium to another some of the light energy is
_____back into the first material - CORRECT ANSWER✔✔ Reflected