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Q.

In an optical fiber, the inner core is _______ the cladding.

A

denser than

B

less dense than

C

the same density as

D

another name for

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______ cables are composed of a glass or plastic inner core surrounded by cladding, all encased in an outside jacket.

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Transmission media lie below the _______ layer.

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. A traditional cable TV network transmits signals ______.

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5.

The inner core of an optical fiber is _______ in composition.

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glass or plastic

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