Fiber optic media, the signals are represented as patterns of

Light

Explanation: Fiber optic media is considered as the network cable that is used for connecting the devices.The cable contains the glass strands within it which are made up of glass material. Fiber optic cable provides high bandwidth , longer-distance communication and have security as well.

The signal that are used in the cable for transmitting the data from source to destination are arrangement of the light in a certain pattern. Pulse of light are utilized for the sending the signal through transmitter which is present in fiber's filament.

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answer; chemical substances that affect our psychological state;