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Fiber Optic Study Questions with Complete Solutions

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  • Fiber Optic
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  • Fiber Optic

Fiber Optic Study Questions with Complete SolutionsFiber Optic Study Questions with Complete SolutionsFiber Optic Study Questions with Complete SolutionsFiber Optic Study Questions with Complete SolutionsThe NEC s updated every_____years. A. 2 B. 3 C. 4 D. 6 - ANSWER - B. 3 In what year was ...

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  • September 18, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Fiber Optic
  • Fiber Optic
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Fiber Optic Study Questions with
Complete Solutions
The NEC s updated every_____years.
A. 2
B. 3
C. 4
D. 6 - ANSWER - B. 3


In what year was the first North American fiber optic telephone system, carrying
telephone traffic, installed?
A. 1927
B. 1947
C. 1977
D. 1987 - ANSWER - C. 1977


What are the three most common wavelength windows used for communication
through optical fibers?
A. 810nm, 1300nm, 1500nm
B. 810nm, 1345nm, 1550nm
C. 850nm, 1345nm, 1550nm
D. 850nm,1345nm, 1500nm - ANSWER - C. 850nm, 1345nm, 1550nm


Attenuation in optical fiber is slowest at:
A.850 nm
B. 900 nm
C. 1300 nm
D. 1550 nm - ANSWER - A. 850 nm

, Absolute power in optical fiber is specified as?
A. dBm
B. dB
C. amptitude
D. EMP - ANSWER - A. dBm


What absolute power value is zero dBm referred to?
A. 0 ps
B. 0 mW
C. 1 mW
D. 1 nm - ANSWER - C. 1 mW


A simple fiber optic system wpuld soncist of:
A. transmitter, recceiver, optical fiber, LED
B. transmitter, receiver, laser, connectors
C. transmitter, receiver, optical fiber, connectors
D. transmitter, receiver, optical fiber, light source - ANSWER - C. transmitter,
receiver, optical fiber, connectors


Fiber optic transmission takes place in the_____portion of the spectrum
A. ultraviolet
B. lower, shorter
C. lower, longer
D. higher, shorter - ANSWER - D. higher, shorter


When light passes from one transparent medium to another transparent medium
that has a different refractive index the light wave bends. This is called:
A. reflection
B. mirroring
C. refraction

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