Question 1

Which type of power can be a source available to the data center that takes over the function of supplying when utility power is unavailable?

Options :

A : Standby

B : Passive

C : Active

D : Alternate

Answer: A

Question 2

What mainly affects the cooling capacity of a raised floor tile?

Options :

A :

Type of ICT equipment, location of the air conditioner, pressure under the raised floor, allowable temperature in the hot aisle

B :

Relative humidity in the computer room, temperature of the cold air, pressure under the raised floor, construction material of the tile

C :

Percentage of the surface opening, obstruction of the supporting construction, pressure under the raised floor, damper construction

D :

Percentage of the surface opening, airflow direction of the ICT equipment, temperature difference between the air intake and air exhaust of the ICT equipment, construction material of the tile

Answer: C

Question 3

A data center scores Rated-3 in mechanical, Rated-4 in electrical, and Rated-2 in architectural. What is the overall Rating of this data center when the Rating is based on the ANSI/TIA-942?

Options :

A : Rated-2 since that is the lowest rating received

B : Rated-4 since that is the highest rating received

C : Rated-4 since electrical is more important than mechanical and architectural

D : Depends on the Rating scored in telecommunications

Answer: A

Question 4

Is it allowed to make design changes during the implementation phase?

Options :

A : No, after a design freeze no further changes are allowed.3

B : Any change is fine as long as it is within the scope of the project.

C : Yes, but only when time to implement is not exceeded.

D : Only when there is a strong business and/or technical justification.

Answer: D

Question 5

An air-conditioner unit needs to be selected. Two types are available: Unit-A has a Sensible Heat Ratio (SHR) of 0.7. Unit-B has a Sensible Heat Ratio (SHR) of 0.9. From an efficiency point of view, which one should be selected?

Options :

A : It does not matter, as the Sensible Heat Ratio has nothing to do with efficiency

B :

Not relevant, as Sensible Heat Ratio is only specified for air-conditioner equipment to indicate the ratio between intake temperature and exhaust temperature.

C : Unit A

D : Unit B

Answer: D

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