Q.

High speed ethernet works on                    

A. coaxial cable
B. twisted pair cable
C. optical fiber
D. unshielded twisted pair cable
Answer» C. optical fiber
Explanation: fast ethernet is mostly used in networks along with category 5 (cat-5) copper twisted-pair cable, but it also works with fiber-optic cable. based on the cable being used, there can be three types of fast ethernet.
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