Exin CDCS Exam - Topic 2 Question 30 Discussion

Actual exam question for Exin's CDCS exam

Question #: 30
Topic #: 2

[All CDCS Questions]

What is the redundancy setup shown in the diagram?

A2+N+1

BN+2

CN+N+N

D2(N+1)

Show Suggested Answer

Suggested Answer: B

The diagram shows three UPS modules, each 100 kW, connected in parallel to support a 100 kW IT load. That means:

One module (100 kW) can support the load (N).

Two additional modules are installed as redundancy.

This equals N+2 redundancy.

2+N+1 and 2(N+1) imply dual active paths not shown.

N+N+N is not an industry term.

Thus, the correct redundancy level is N+2.

by Felton at May 26, 2026, 05:31 PM

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3 days ago

I'm leaning towards D) 2(N+1) because it sounds familiar, but I need to double-check my notes on redundancy setups.

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8 days ago

I remember practicing a question similar to this, and I think N+2 was a common answer, but I can't recall the specifics.

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13 days ago

I think the redundancy setup might be 2+N+1, but I'm not entirely sure how to differentiate it from the others.

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