Fiber Optic Study Questions with Complete Solutions
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Course
Fiber Optic
Institution
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 ...
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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