In this chapter, you learned the following key points:
Coaxial cable consists of a hollow outer cylindrical conductor that surrounds a single inner wire conductor.
UTP cable is a four-pair wire medium used in a variety of networks.
STP cable combines the techniques of shielding, cancellation, and wire twisting.
Fiber-optic cable is a networking medium capable of conducting modulated light transmission.
Wireless signals are electromagnetic waves that can travel through the vacuum of outer space and through a medium such as air.