Question

a __ cable consists of a thin strand of glass that transmits pulsating beams of light rather than electric current. options: fiber-optic, twisted-pair, coaxial, bluetooth

Explanation:

Fiber - optic cables have a thin glass strand (core) that transmits light signals. Twisted - pair uses copper wires for electric current. Coaxial also uses copper (inner conductor, dielectric insulator, outer conductor). Bluetooth is a wireless technology, not a cable.

Answer:

fiber - optic