Which of the following allows for a beam of light to transmit data through a flexible cable?
Fiber-optic cable transmits data as pulses of light through a thin, flexible glass or plastic core; single-mode fiber uses a narrow core with a single light path, typically driven by a laser source, for long-distance, high-bandwidth transmission. Coaxial, HDMI, and Thunderbolt all carry electrical signals over copper conductors rather than light.
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