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DCDC practice questions - frequently asked questions

Plain answers about how DCDC Exam Prep works: the exam, the questions, pricing, the free trial, and what you actually get.

No - and you should be wary of any site claiming otherwise. Every question here is original, written to mirror the style, difficulty, and judgment the real DCDC exam tests. Each one comes with a plain-language explanation of why the right answer is right and the others aren't.

The DCDC exam spans 6 domains: Concept Planning and Analysis (30% of the exam); Systems — Architectural and Space Design, Mechanical, Electrical (20% of the exam); Systems — Information Technology, Ancillary Systems, Communications Connectivity (20% of the exam); Data Center Operations and Maintenance Assessment (10% of the exam); Security Assessment (10% of the exam); Construction Administration and Commissioning (10% of the exam). Every practice question on this site is tagged to one of these domains.

The domains are not weighted equally on the exam. By share of the marks: Concept Planning and Analysis 30%; Systems — Architectural and Space Design, Mechanical, Electrical 20%; Systems — Information Technology, Ancillary Systems, Communications Connectivity 20%; Data Center Operations and Maintenance Assessment 10%; Security Assessment 10%; Construction Administration and Commissioning 10%.

The DCDC exam has 100 questions and is completed in 2 hours. Our timed practice mirrors that length and pacing, so exam day feels familiar.

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