What do you understand by guided and unguided communication media list three example of each?

Guided communication media refers to channels where the transmission of information is directed and controlled, often using physical or digital infrastructures. Examples include telephone lines, fiber optic cables, and coaxial cables. Unguided communication media, on the other hand, involves the transmission of information without a physical medium, typically through air or space. Examples include radio waves, satellite communication, and infrared signals.