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CEDIA ESPA EST Practice Test

Category - DHTI

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Which of the following types of coaxial cable shielding is used to resist Radio Frequency Interference?

Dielectric
Foil
Wire mesh
Wire braid

Explanation

Answer - B - The coaxial cable shielding that is used to resist Radio Frequency Interference is called a Foil.

Key Takeaway: A foil shield is primarily used to deflect RFI from the cable. Foil shields have a thin drain wire that allows the foil to be connected to the outer channel of an F-type or BNC connector.

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