Question 1

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

Question 2

True or False: A grounded wire is connected to metal appliance cases

Options :

A : True

B : False

Answer: A

Question 3

True or False: Human error is a major cause of data center downtime

Options :

A : True

B : False

Answer: A

Question 4

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 5

Do you need to consider bullet (ballistics) protection when designing a data center?

Options :

A : Bullet (ballistics) protection is required by ANSI/TIA-942 for all data centers.

B :

Bullet (ballistics) protection is only required when the data center is located in an area with a high crime rate.

C : Bullet (ballistics) protection is required by ANSI/TIA-942 for data centers Rated 3

D :

Bullet (ballistics) protection is only required if the facility is a potential target or the building is in the vicinity of a potential target.

Answer: D

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