Question 1

In a data center where precision cooling units are supplied by single-phase power, using dual power supplies and ATS for switching can meet Tier III requirements if both units share a single ATS.

Options :

A : True

B : False

Answer: B

Question 2

Which of the following statements regarding energy-saving strategies is correct?

Options :

A : Using only direct natural cooling is insufficient to meet Tier III standards

B :

Mechanical cooling combined with direct and mixed cooling, along with high building height and outdoor air quality requirements, is essential.

C : Natural water cooling has high water source requirements but poses no environmental risks.

D :

Utilizing an indirect evaporative cooling system can effectively lower indoor temperatures using low outdoor temperatures and extend the operational time of natural cooling.

Answer: A,B,D

Question 3

In a data center with an IT load level of Grade B, it is not necessary to configure dual power paths.

Options :

A : Yes

B : No

Answer: B

Question 4

When calculating the power demand of a UPS (Uninterruptible Power Supply) system, only the backend capacity needs to be considered, and redundancy for the load does not need to be accounted for, while the capacity of the battery can be ignored.

Options :

A : True

B : False

Answer: B

Question 5

In the future, data centers may achieve unattended monitoring using new technologies, utilizing AI for sound, image, and odor signal collection and analysis, thereby reducing the need for human observation.

Options :

A : True

B : False

Answer: A