Free Exin CDCS Exam Questions

Become Exin Certified with updated CDCS exam questions and correct answers

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Total 152 Questions | Updated On: May 12, 2026

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Question 1

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

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 2

If a waveform period is determined to be 10 microseconds in duration, what is the frequency of the signal?

A : 100 kHz

B : 10 kHz

C : 1000 Hz

D : 100 Hz

Answer: A

Question 3

The data center has been in operation for about 1 year and 2 months. The dust levels in the computer room are relatively high. What is the most likely root cause?

A : The cleaning crew is not doing their work properly

B : Every computer room has high dust levels due to constant high-speed air movement

C : Low pressure in the computer room

D : Floorboards are most likely not fitted correctly

Answer: D

Question 4

You have three UPS systems connected in parallel. The UPS systems have an imbalance in the load sharing of approximately 20%. What should you recommend?

A : Review the cable lengths of each UPS to the common busbar

B : Nothing, there is no reason for any concern

C : Review the common mode noise levels within the computer room

D : Review the harmonics levels within the computer room

Answer: A

Question 5

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

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

Page: 1 / 31

Total 152 Questions | Updated On: May 12, 2026

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