_____ cables are glass tubes surrounded by concentric layers of glass,called cladding,to form a light path through wire cables.
A) Twisted-pair
B) Copper line
C) Coaxial
D) Fiber-optic

Question

Quizplus · Accepted Answer

The description matches that of fiber-optic cables which use glass or plastic fibers to transmit data as light signals. Twisted-pair, copper line, and coaxial cables do not use glass tubes or cladding to transmit data.

_____ Cables Are Glass Tubes Surrounded by Concentric Layers of Glass,called