what is the second preference regarding utility service

1. A. At least four circuits each from different distribution stations but fed via common feeders
2. B. Two balanced feeds with different voltages derived from a single distribution station
3. C. One balanced feeder coordinated with upstream backup feed
4. D. At least One Circuit from two Separate Substations and Different Voltage Levels

Correct Answer: B

What is the recommended level of redundancy for a critical power system in a Tier III data center?

1. A. N
2. B. N+1
3. C. 2N
4. D. 2N+1
5. E. 3N

Correct Answer: B

What specific power consumption should be used to measure PU E?

1. A. What can directly support operations without including power utilization How much energy a particular device utilizes per unit of time?
2. B. only that which directly supports the data center like electrical distribution and cooling equipment
3. C. Maximal consumption across all measured devices in a specified amount of time.
4. D. Proportion between IT subsystem's input vs output capacities over some perio

Correct Answer: B

Why are H DAs more often required in data centers?

1. A. they avoid cable congestion
2. B. they improve fire suppression system
3. C. they minimize noise pollution
4. D. they enhance cooling effectiveness

Correct Answer: A

What is the recommended amount of fuel supply needing to be available to a class F3 data center?

1. A. 24 hours
2. B. 48 hours
3. C. 72 hours
4. D. 96 hours

Correct Answer: C