Which two does the network-critical physical infrastructure (NCPI) management system monitor at the rack level? (Choose two.)

Question

Options

• AThe monitoring of a chiller at the rack level.
• BThe monitoring of comfort cooling at the rack level.
• CThe monitoring of supplemental cooling devices at the rack level.
• DThe monitoring of rack based transfer switches at the rack level.

• A
  4% (1)
• B
  11% (3)
• C
  82% (23)
• D
  4% (1)

Explanation

Note: This question asks for two answers, but only C is marked correct in the provided key - D (rack-based transfer switches) is likely the second correct answer, as both are rack-level devices. The explanation below addresses all four options.

Supplemental cooling devices (C) are rack-level solutions - such as in-row coolers, rear-door heat exchangers, and overhead cooling units - that sit directly within or adjacent to racks. NCPI management systems are designed to monitor this localized cooling at the rack level because it directly affects equipment temperature and density. Chillers (A) are facility-level equipment tied to the building's HVAC plant, operating far above the rack level. Comfort cooling (B) refers to room-level CRAC/CRAH units designed to maintain human comfort temperatures across a floor, not targeted rack-level thermal management. Rack-based transfer switches (D) are actually plausible - they are rack-mounted power devices - which is why they are likely the intended second correct answer alongside C.

Memory tip: Think "rack = local." Anything that lives in or on the rack (supplemental coolers, transfer switches) is rack-level; anything that serves the room or building (chillers, comfort cooling) is not.

No community discussion yet for this question.