Fiber-optic communication is a technology that uses thin strands of glass or plastic, known as fiber optics, to transmit data as light signals. This method allows for high-speed data transfer over long distances with minimal loss of quality. The light signals travel through the fibers, reflecting off the walls, which keeps the data intact and secure. One of the main advantages of fiber-optic communication is its ability to carry large amounts of information simultaneously. This makes it ideal for applications like internet services, telecommunications, and cable television, where fast and reliable data transmission is essential.