CCNA1 v7 – ITN – Modules 4 – 7: Ethernet Concepts Exam Answers

1. What are two characteristics of fiber-optic cable? (Choose two.)
  • It is not affected by EMI or RFI.
  • Each pair of cables is wrapped in metallic foil.
  • It combines the technique of cancellation, shielding, and twisting to protect data.
  • It typically contains 4 pairs of fiber-optic wires.
  • It is more expensive than UTP cabling is.

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