Adatacenter recently experienced a breach. when access was gained, an rf device was used to access an air-gapped and locked server rack. which of the following would best prevent this type of attack?
a. faraday cageb. smart cardsc. infrared detectiond. alarms

A. Faraday cage

Explanation:

According to my research on information technology and different security features, I can say that based on the information provided within the question the best method to prevent this would be to implement a faraday cage. This is an enclosure used to block electromagnetic fields such as fields used in IR and WIFI signals.

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the answer your looking for is c. : )

answer; taking detailed notes during the interview;