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Exin CDCS Exam - Topic 2 Question 26 Discussion
Actual exam question for
Exin's
CDCS exam
Question #: 26
Topic #: 2
[All CDCS Questions]
Topic #: 2
A data center scores Rated-3 in mechanical, Rated-4 in electrical, and Rated-2 in telecommunications. What is the overall rating?
Suggested Answer:
A
ANSI/TIA-942 defines that the lowest rating across all four categories determines the overall facility rating. A facility cannot claim a higher overall level unless all subsystems meet or exceed that level.
In this case:
Mechanical = Rated-3
Electrical = Rated-4
Telecommunications = Rated-2
Since telecommunications only meets Rated-2, the overall facility is Rated-2, regardless of higher scores elsewhere.
This ensures that weak areas (like cabling) are not ignored, because they can compromise overall availability.
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