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

Question

Quizplus · Accepted Answer

Fiber-optic cables are made of glass tubes surrounded by concentric layers of glass, known as cladding, which create a path for light to travel through the cables. This design is fundamental to their operation, allowing them to transmit data over long distances with minimal loss.

_____ Are Glass Tubes Surrounded by Concentric Layers of Glass