Exin EXIN EPI Certified Data Centre Specialist CDCS Question # 3 Topic 1 Discussion

Exin EXIN EPI Certified Data Centre Specialist CDCS Question # 3 Topic 1 Discussion

CDCS Exam Topic 1 Question 3 Discussion:
Question #: 3
Topic #: 1

A 5kW (power consumption) server keeps crashing with the message 'temperature too high'.

The intake temperature is measured at 25 °C/77 °F and a relative humidity (RH) level of 50%.

The exhaust temperature is 29 °C/84 °F and 45% RH.

The raised floor is providing an adequate amount of CFM/CMH at a reasonable velocity.

The pressure under the raised floor is approximately 25 Pa/0.1 inch H₂O.

Analyze the situation and indicate what the most likely cause is for this server to crash.


A.

Dust inside the server causing issues with convection-based heat transfer


B.

The exhaust temperature is exceeding the ASHRAE recommended values


C.

The raised floor pressure is too low and/or the raised floor tile % opening is not adequate


D.

No cause could be determined as the CFM/CMH of the air conditioning equipment is not stated


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