429 practice questions for Power Platform Developer (PL-400), with full explanations.
Every question comes with the correct answer, the reasoning behind it, and a short note on why each wrong option is wrong. Work through it once with the answers, then again with the questions-only copy under exam conditions.
- 429 questions mapped to the PL-400 exam objectives
- Answers and explanations for every question, including the wrong options
- A questions-only PDF for timed practice runs
- Instant delivery by email the moment you check out
- Free monthly updates for as long as the exam is live
- Pass or your money back
A PL-400 attempt costs US$165 in the US. This pack is US$39, paid once.
Try 10 questions free before you buy.
Last updated September 2026 · 429 questions
What makes the PL-400 hard
PL-400 sits in the awkward gap between low-code and pro-code, and it tests both sides hard, which is exactly why makers and .NET developers each fail it from their own direction.
The pro-code half is Dataverse internals: plug-in stages and execution pipeline, when a plug-in beats a Power Automate flow, the Web API versus the organisation service, and PCF component development. The low-code half expects fluent decisions between canvas and model-driven patterns, business rules versus classic workflows versus flows, and solution layering: managed versus unmanaged, and what actually happens on import.
One domain dominates: Extend the platform is 30 to 35% of the exam, while the other five domains sit at 10 to 15% each. Makers who have never written a plug-in tend to lose the exam in that single domain.
With PL-500 and PL-600 retired, PL-400 is the last developer-grade Power Platform credential standing.
About the exam
PL-400 certifies designing, developing and deploying Power Platform solutions: Dataverse extensibility, plug-ins, custom connectors, PCF components, and integration with Azure. Skills measured as of 19 March 2026. Renews annually via a free online assessment.
Exam domains
- Create a technical design: 10 to 15%
- Build Power Platform solutions: 10 to 15%
- Implement Power Apps improvements: 10 to 15%
- Extend the user experience: 10 to 15%
- Extend the platform: 30 to 35%
- Develop integrations: 10 to 15%
Around 40 to 60 questions, 100 minutes, passing score 700 out of 1000, US$165 in the US, priced by local currency elsewhere, online proctored or test centre, renews annually for free.
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