Free Exin CDCS Exam Questions

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?

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

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?

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 3

Do you need to consider blast protection when designing a data center?

A : No, there is no reason for implementing blast protection as nobody can predict the impact of a bomb explosion.

B : Yes, if the data center is a potential target or the building is located within the vicinity of (close by) a potential target.

C : No, blast protection is not a requirement of ANSI/TIA-942.

D : Yes, blast protection is a requirement of ANSI/TIA-942.

Answer: B

Question 4