A) Optical fibre
B) Twisted pair wire
C) Microwaves
D) Coaxial cable
Correct Answer: C
Solution :
Microwaves are radio waves, while the rest three are some form of cables. Coaxial cable: a kind of copper cable used between the community antenna and user homes and businesses: Optical fiber: a flexible, transparent fiber made of glass or plastic; and Twisted pair cable: a type of wiring in which two conductors of a single circuit are twisted together for the purposes of canceling out electromagnetic interference (EMI) from external sources.
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