CDCP Energy Efficiency and Sustainability 1

Question 1

What does PUE stand for in the context of data center energy efficiency?

Accepted Answer

Power Usage Effectiveness

Answer

PUE stands for Power Usage Effectiveness, a metric developed by The Green Grid to measure how efficiently a data center uses energy.

Question 2

What is the ideal (best possible) PUE value for a data center?

Accepted Answer

1.0

Answer

A PUE of 1.0 represents perfect efficiency where all power consumed goes directly to IT equipment with zero overhead losses.

Question 3

Which metric specifically measures the water consumption efficiency of a data center?

Accepted Answer

WUE (Water Usage Effectiveness)

Answer

WUE (Water Usage Effectiveness) measures the amount of water used by a data center per unit of IT equipment energy consumed.

Question 4

What is the correct formula for calculating PUE?

Accepted Answer

PUE = Total Facility Power / IT Equipment Power

Answer

PUE is calculated by dividing total facility power (all overhead included) by the IT equipment power consumption, yielding a value of 1.0 or greater.

Question 5

Which organization created and promotes the PUE metric for data centers?

Accepted Answer

The Green Grid

Answer

The Green Grid, an industry consortium founded in 2007, developed the PUE metric to standardize data center energy efficiency measurement globally.

CDCP - Certified Data Centre Professional Practice Test