True/False
Indicate whether the statement is
true or false.
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1.
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Optical fibers can transmit either analog or digital signals.
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2.
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Singlemode fiber has a smaller core than multimode fiber.
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Multiple Choice
Identify the choice that best
completes the statement or answers the question.
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3.
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In an optical fiber, the light is transmitted through the ___________.
A. | Core | B. | Cladding | C. | Buffer | D. | Jacket |
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4.
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The diameter of an optical fiber is traditionally measured in _____.
A. | Meters | B. | Millimeters | C. | Microns
(micrometers) | D. | Nanometers |
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5.
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Rays of light transmitted in multimode fiber are called ________.
A. | Reflections | B. | Refractions | C. | Waves | D. | Modes |
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6.
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Loss of a fiber or any fiber in a cable is measured in ______.
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7.
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10 dB corresponds to a factor of _____ in power.
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8.
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A fiber stripper removes the _________ of the fiber.
A. | Core | B. | Cladding | C. | Buffer
coating |
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9.
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The ___ protects the fiber from harm.
A. | Primary buffer coating | B. | Aramid fiber strength
members | C. | Jacket | D. | All of the
above |
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10.
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Which fiber optic test instrument uses backscattered light for
measurements?
A. | OLTS | B. | OTDR | C. | VFL | D. | Tracer |
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11.
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The wavelength of light used for most fiber optic systems is in the ________
region and _______ to the human eye.
A. | ultraviolet, invisible | B. | solar, visible | C. | infrared,,
invisible |
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