CompTIA Security+ Exam Prep

Answer: D - Faraday cage or a Faraday shield is an enclosure formed by conducting material or by a mesh of such material.

Shielding refers to the process of preventing electronic emissions from your computer systems from being used to gather intelligence and preventing outside electronic emissions from disrupting your information-processing abilities. In a fixed facility such as a computer center, surrounding the computer room with a Faraday cage can provide electronic shielding.