Question

A datacenter 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 cage
B. Smart cards
C. Infrared detection
D. Alarms

Answer 1

a. Faraday cage

Step-by-step explanation:

Faraday cage -

It refer to as a shield which helps to block any electromagnetic fields , is referred to as faraday cage .

It is also known as Faraday shield .

In a Faraday cage , a mesh or covering conductive material is added to block any electromagnetic field .

Hence , from the given information of the question ,

The correct answer is a. Faraday cage .