Which of the following is not a common application of fiber-optic cable? ∙ A. computer networks ∙ B. long-distance telephone system ∙ C. closed-circuit TV ∙ D. consumer TV Which of the following is not a common application of fiber-optic cable? ∙ A. computer networks ∙ B. long-distance telephone system ∙ C. closed-circuit TV ∙ D. consumer TV

Which of the following is not a common application of fiber-optic cable?
∙ A. computer networks
∙ B. long-distance telephone system
∙ C. closed-circuit TV
∙ D. consumer TV
by

1 Answer

Answer :

∙ D. consumer TV
by

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Most fiber-optic light sources emit light in which spectrum? ∙ a. Visible ∙ b. Infrared ∙ c. Ultraviolet ∙ d. X-ray

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Typically, repeaters are not required for fiber-optic cable lengths up to: a. 1000 miles b. 100 miles c. 100 km d. 10 km

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The loss in single-mode fiber-optic cable due to a connector is about: a. 0.02 dB b. 0.2 dB c. 1 dB d. 3 dB

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The loss in single-mode fiber-optic cable due to the glass is about: a. 40 dB per km b. 4 db per km c. 0.4 dB per km d. zero loss

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The term power budgeting refers to ∙ A. the cost of cable, connectors, equipment and installation ∙ B. the loss of power due to defective components ∙ C. the total power available minus the attenuation losses ∙ D. the comparative costs of fiber and copper installations

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Optical cable testers are used for ∙ a. Checking refractive index ∙ b. Light power out of a fiber ∙ c. Non-calibrated light into a fiber

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