To transmit data using light, what kind of cabling uses plastic or glass?

Glass and/or plastic are used to make fiber or fiber optic cables. Light is used to convey data through the wires. Lightning is a connector type designed by Apple that employs metal contacts to transport electricity. Etheroptic is not a genuine form of cabling, Category cabling utilizes copper, and Etheroptic is not a genuine form of cabling.