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Exam · Data centre operations

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1. At what temperature do servers shut down?

40 °C 20 °C 100 °C

2. What must a rack have to be online?

A camera A working ToR switch and CAT6 to an online router A blanking panel

3. How much heat does one CRAC remove?

300 kW 30 kW 3 kW

4. In a power cut, racks run from…

Wi-Fi The UPS battery (or a generator) The CRAC

5. Which servers add cloud capacity?

Compute servers with the 'cloud' role Firewalls Storage only