DCDC-003.1 Free Practice Test

what is the best practice performance metric to gauge thermal compliance for ASHRAE and NEBS for a given data center

1. A. Temperature-Humidity Index (THI)
2. B. Airflow Efficiency Ratio (AFER)
3. C. Power Usage Effectiveness (PUE)
4. D. Computational Fluid Dynamics (CFD) modeling

Correct Answer: D

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

where should the telecommunications room for the operations center be located

1. A. inside the computer room
2. B. within a designated telecommunication space outside of computer rooms
3. C. on another floor entirely from the operations center
4. D. in an offsite location

Correct Answer: B

What is the Typical Voltage Of A Utility Sub-Station?

1. A. Low voltage at 480 or less volts
2. B. Medium to Low-voltage range between 270 to13800 volts
3. C. High voltage at a stunningly high rate
4. D. The United States uses only Direct Currents DC

Correct Answer: B

What is the recommended raised floor height, especially for high density needs and underfloor HVAC?

1. A. 24"
2. B. 30"
3. C. 36"
4. D. 42"

Correct Answer: C