Certified Data Centre Professional (CDCP) 2025 – 400 Free Practice Questions to Pass the Exam

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What effect does grounding a raised floor have on high-frequency noise?

It intensifies the noise

It has no effect on the noise

It can amplify the noise

It attenuates and dissipates the noise

Grounding a raised floor effectively provides a pathway for high-frequency noise to be safely dissipated away from the sensitive electronic equipment within a data centre. High-frequency noise can be generated from various sources, such as electrical equipment, and may disrupt the operation of sensitive devices. By grounding the raised floor, you create a system that can absorb and redirect this noise, reducing its impact on the equipment. This attenuation helps to minimize electromagnetic interference, ensuring the proper functioning of sensitive components and maintaining overall system reliability.

The grounding process is crucial in the design and management of data centres as it helps improve the electromagnetic compatibility (EMC) of the environment, which is vital for consistent performance and reliability.

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