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(ISC)2

CCSP · Question #21

Heating, ventilation, and air conditioning (HVAC) systems cool the data center by pushing warm air into ____________.

The correct answer is D. The outside world. HVAC systems in data centers cool by removing heat from the environment and expelling that warm air.

Submitted by ahmad_uae· Apr 18, 2026Cloud Platform and Infrastructure Security

Question

Heating, ventilation, and air conditioning (HVAC) systems cool the data center by pushing warm air into ____________.

Options

  • AThe server inlets
  • BUnderfloor plenums
  • CHVAC intakes
  • DThe outside world

How the community answered

(34 responses)
  • A
    3% (1)
  • B
    6% (2)
  • C
    3% (1)
  • D
    88% (30)

Why each option

HVAC systems in data centers cool by removing heat from the environment and expelling that warm air.

AThe server inlets

Pushing warm air into server inlets would cause servers to overheat, not cool them.

BUnderfloor plenums

Underfloor plenums are typically used for delivering cool air to equipment, not for pushing warm exhaust air.

CHVAC intakes

HVAC intakes draw air *into* the system for cooling, they are not where warm air is pushed *out* for disposal.

DThe outside worldCorrect

Data center HVAC systems operate by circulating cool air to absorb heat generated by equipment, then expelling the collected warm air to the outside world to maintain optimal internal temperatures. This continuous heat rejection process is fundamental to preventing overheating and ensuring equipment longevity.

Concept tested: Data center HVAC heat rejection

Topics

#Data center cooling#HVAC systems#Physical infrastructure

Community Discussion

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