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PDE practice questions - frequently asked questions

Plain answers about how PDE 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 PDE exam tests. Each one comes with a plain-language explanation of why the right answer is right and the others aren't.

The PDE exam spans 5 domains: Designing data processing systems (22% of the exam); Ingesting and processing the data (25% of the exam); Storing the data (20% of the exam); Preparing and using data for analysis (15% of the exam); Maintaining and automating data workloads (18% 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: Ingesting and processing the data 25%; Designing data processing systems 22%; Storing the data 20%; Maintaining and automating data workloads 18%; Preparing and using data for analysis 15%.

The PDE exam has 50 questions and is completed in 2 hours. Our timed practice mirrors that length and pacing, so exam day feels familiar.

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