Which type of cabling is immune to RFI and EFI?
- coaxial
- UTP
- STP
- fiber-optic
Explanation: Fiber-optic cable is constructed of either glass or plastic which means that it is immune to EMI and RFI, and is suitable for installation in environments where interference is a problem.
Exam with this question: 4.3.3 Check Your Understanding – Coaxial and Fiber-Optic Cabling
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