Answer: Fiber optic
Explanation:
Fiber optic is made of glass fiber and they can transmit data at a relatively higher speed because they are not interfered by noise and the property of total internal reflection enables them to transmit data without loss.
They would be:
Reader’s name, your name, the date, the subject, and the body of the memo.
the most common are twisted pair, coaxial, Ethernet cross over, and fiber optic.
