Question 1

How does the use of high-efficiency power distribution units (PDUs) impact the overall energy efficiency of a data center?

Options :

A : By converting direct current (DC) power to alternating current (AC) power for efficient distribution.

B : By reducing energy losses during power distribution and improving overall power efficiency.

C : By providing backup power during electrical outages and ensuring continuous operation of critical systems.

D : By increasing the total power capacity available to the data center.

Answer: B

Question 2

How does the use of variable refrigerant flow (VRF) systems in HVAC design improve the adaptability and energy efficiency of the system, especially in multi-zone buildings?

Options :

A : VRF systems are limited to single-zone applications.

B : VRF systems rely on fixed refrigerant flow rates for efficiency.

C : VRF systems require extensive ductwork for air distribution.

D : VRF systems use a single refrigerant circuit to serve multiple indoor units.

Answer: D

Question 3

When considering site selection for a new data center, which of the following factors should be prioritized to ensure physical security and environmental stability, including the evaluation of geographical risks such as earthquakes, floods, and other natural disasters that could impact the facility's operations?

Options :

A : Proximity to a high-risk earthquake zone

B : Distance from potential flood zones

C : Close to a major city center for easy access

D : Near an industrial area with high pollution levels

Answer: B

Question 4

What are the implications of local building codes and zoning regulations on data center site selection, and why is it necessary to ensure compliance with these regulations to avoid legal issues and potential delays in construction and operation?

Options :

A : Ignoring local building codes and zoning regulations

B : Only partially complying with building codes

C : Ensuring compliance with local building codes and zoning regulations

D : Building without regard to local regulations

Answer: C

Question 5

In which scenario would a hybrid topology be most beneficial?

Options :

A : When scalability is not a concern

B : When budget constraints are severe

C : When minimal cabling is desired

D : When diverse connectivity requirements exist

Answer: D

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