Which of the following types of transmission media provide the BEST security against unauthorized access?

A.
Copper wire

B.
Twisted pair

C.
Fiberoptic cables

D.
Coaxial cables

Explanation:
Fiberoptic cables have proven to be more secure than the other media. Satellite transmission and copper wire
can be violated with inexpensive equipment. Coaxial cable can also be violated more easily than other
transmission media.