Which data center network-critical physical infrastructure (NCPI) component has the ability to control relative humidity?

Question

Options

• ARack enclosure
• BFire suppression system
• CUninterruptible power supply (UPS)
• DComputer room air conditioner (CRAC)

• A
  11% (2)
• B
  5% (1)
• D
  84% (16)

Explanation

A Computer Room Air Conditioner (CRAC) is specifically designed to manage the temperature and humidity levels within a data center, making it the only listed component capable of controlling relative humidity. Rack enclosures are passive physical housings for equipment and have no environmental control capabilities. Fire suppression systems are designed solely to detect and extinguish fires, not to regulate air conditions. A UPS provides battery backup power to protect against outages and has no role in humidity or temperature management.

Memory tip: Think of CRAC as the "climate controller" of the data center - just as a home air conditioner controls both temperature and humidity, a CRAC unit does the same for the server room environment.

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