17. Which is not Guided Transmission Media?
(A) Copper twisted pair
(B) Copper coaxial cable
(C) Optical fiber
(D) Atmosphere
(E) All of the above
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統計: A(3), B(1), C(3), D(43), E(14) #872744
統計: A(3), B(1), C(3), D(43), E(14) #872744