Microsoft : PL-400 Questions & Answers

Last Updated: Oct 11, 2026

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Microsoft PL-400 Exam Overview:

Certification Vendor:Microsoft
Exam Name:Microsoft Power Platform Developer
Exam Number:PL-400
Exam Duration:120 minutes
Passing Score:700 (on scale 100–1000)
Exam Price:$165 USD
Exam Format:Multiple choice, Multiple response, Code interpretation, Scenario-based, Case studies
Certificate Validity Period:1 year (renewable annually via free online assessment)
Real Exam Qty:40–60
Available Languages:Spanish, English, French, Portuguese (Brazil), German, Arabic (Saudi Arabia), Chinese (Simplified), Japanese
Related Certifications:Microsoft Certified: Power Platform Solution Architect Expert
Microsoft Certified: Power Platform Fundamentals
Recommended Training:Official PL-400 Study Guide
Microsoft Learning Path: Power Platform Developer
Exam Registration:Microsoft Learn Exam Page
Pearson VUE Registration
Sample Questions: DOWNLOAD DEMO
Exam Way:Online proctored or onsite at Pearson VUE test centers
Pre Condition:No mandatory prerequisites; recommended experience: Power Platform services, JavaScript, C#, REST APIs, Azure, and ALM practices
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/exams/pl-400/

Microsoft PL-400 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Extend the user experience10–15%- Create custom visualizations
- Use Power Apps Component Framework
  • 1. Integrate custom components into apps
    • 2. Build and deploy code components
      - Implement custom client-side logic
      • 1. Work with form events and client APIs
        • 2. Use JavaScript and TypeScript
          Topic 2: Implement Power Apps improvements10–15%- Enhance model-driven apps
          • 1. Implement client-side scripting
            • 2. Customize forms, views, and navigation
              • 3. Configure command bar and event handlers
                - Enhance canvas apps
                • 1. Use complex Power Fx formulas and functions
                  • 2. Implement advanced controls and component libraries
                    • 3. Optimize performance and resolve delegation issues
                      Topic 3: Develop integrations10–15%- Implement data integration and transformation
                      • 1. Data conversion and synchronization
                        • 2. Use Azure Logic Apps and Power Automate
                          - Secure and monitor integrations
                          - Integrate with external systems
                          • 1. Connect to REST APIs and web services
                            • 2. Use Microsoft Graph and Azure services
                              Topic 4: Extend the platform30–35%- Develop Dataverse extensions
                              • 1. Implement Azure Functions and webhooks
                                • 2. Develop custom APIs and virtual entities
                                  • 3. Create and register plug-ins
                                    - Customize connectors and services
                                    • 1. Build custom connectors
                                      • 2. Authenticate and secure service connections
                                        - Implement server-side logic
                                        • 1. Handle data operations and transactions
                                          • 2. Use Power Fx and plug-in development
                                            Topic 5: Create a technical design10–15%- Design solution components
                                            • 1. Design custom connectors and APIs
                                              • 2. Plan application lifecycle management (ALM)
                                                • 3. Design business logic and automation
                                                  • 4. Design data model and table structures
                                                    - Design technical architecture
                                                    • 1. Evaluate out-of-the-box vs custom development
                                                      • 2. Assess security and DLP policy impact
                                                        • 3. Analyze requirements and determine solution approach
                                                          • 4. Design authentication and authorization strategy
                                                            Topic 6: Build Power Platform solutions10–15%- Configure Microsoft Dataverse
                                                            • 1. Implement business rules, calculated and rollup fields
                                                              • 2. Configure security roles, teams, and access
                                                                • 3. Create and configure tables, relationships, and fields
                                                                  • 4. Manage solutions and environment variables
                                                                    - Implement ALM practices
                                                                    • 1. Create CI/CD pipelines with Build Tools
                                                                      • 2. Deploy solutions across environments
                                                                        • 3. Manage solution dependencies and versions

                                                                          Microsoft Power Platform Developer Questions, Answered Honestly

                                                                          A pass requires 700 (on scale 100–1000), and registration costs $165 USD. Every retake bills that fee again, which is why candidates prepare thoroughly with verified ActualTorrent material before booking their seat.
                                                                          That is exactly what it is designed for. The PL-400 engine lets you set the test time yourself — allow a generous limit on your first simulated run, then shorten it session by session as your speed grows. Every attempt ends with a score, so you can measure your own readiness, see which Microsoft Power Platform Developer domains need work, and plan the next round of study based on your actual strengths and weaknesses. You may also review any or all questions and answers as often as you like.
                                                                          Through the official registration channel: Microsoft Learn Exam Page Pearson VUE Registration Create your account, pick a test center or an online-proctored appointment, and pay the fee to secure your date.
                                                                          Because it removes the usual obstacles. The material is solid — 411 practice questions for the PL-400 exam with verified answers, checked daily against the live Microsoft Power Platform Developer outline. The engine adapts to your pace instead of forcing one. Installation is unlimited across your computers. And support answers around the clock, so a busy schedule never strands you with an unanswered question.
                                                                          Around 40–60 questions in 120 minutes minutes. Set the ActualTorrent engine to that exact limit once your scores stabilize, and exam day will feel like one more well-rehearsed session.
                                                                          No mandatory prerequisites; recommended experience: Power Platform services, JavaScript, C#, REST APIs, Azure, and ALM practices
                                                                          Most ActualTorrent customers are in the same position: a full-time job, family commitments, a social life worth keeping. Self-paced study solves it. Install the PL-400 engine on every computer you use, run a short timed drill when a gap appears, review a handful of Microsoft Power Platform Developer questions before bed, and let the per-session scores track your progress. Consistency in small doses beats marathon cramming, and the material is built for exactly that rhythm.
                                                                          Follow the official Microsoft Power Platform Developer weights:
                                                                          • Extend the platform (30–35%)
                                                                          • Create a technical design (10–15%)
                                                                          • Develop integrations (10–15%)
                                                                          Give the heaviest domains your longest sessions, then let your engine scores tell you where the remaining hours belong.
                                                                          Microsoft Learning Path: Power Platform Developer Official PL-400 Study Guide An official course builds theory in a structured way, while the ActualTorrent engine and verified question bank provide the timed rehearsal — together they cover preparation from both directions.

                                                                          Microsoft Power Platform Developer Sample Questions:

                                                                          Question #1

                                                                          You create a custom API. You define the API as a function.
                                                                          The custom API does not appear in the response received from https:/ [yourorg]. api.crm.dynamics.com/api
                                                                          /data/v9.2/$metadata and returns an error when called.
                                                                          You need to identify why the custom API is not working.
                                                                          What should you do?

                                                                          • A. Set the Enabled for Workflow option of the customer API to True.
                                                                          • B. Add a request property to the custom API.
                                                                          • C. Add a response property to the custom API.
                                                                          • D. Set the Is Private property of the custom API to False.
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: B  🗳️

                                                                          Question #2

                                                                          You are a Dynamics 365 developer working on a model-driven app.
                                                                          You add a button to an entity form and to the view for the entity that calls a JavaScript function. When you click the button, it results in an error.
                                                                          You determine that the JavaScript function is calling another JavaScript function in a different web resource.
                                                                          You need to resolve the error.
                                                                          What should you do?

                                                                          • A. Add & ribbondebug=true to the app URL and run the Command Checker tool.
                                                                          • B. In the JavaScript web resource, add the missing web resource as a dependency.
                                                                          • C. From the Ribbon Workbench, add the missing JavaScript web resource as a CustomRule in EnableRules .
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: B  🗳️

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                                                                          Question #3

                                                                          You create a Power Platform solution to track purchasing requirements for bills of material (BOMs) and their subcomponents.
                                                                          The solution must meet the following requirements:
                                                                          * Ensure that the BOMs are enabled to include the necessary subcomponents.
                                                                          * Report changes to the BOMs or their sub-components that are made by engineers.
                                                                          You need to configure the solution.
                                                                          What should you do to meet each requirement? To answer, select the appropriate options in the answer area.
                                                                          NOTE: Each correct selection is worth one point.

                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer:


                                                                          Explanation:

                                                                          Box 1: Configure entity relationship
                                                                          Box 2: Configure entity change tracking
                                                                          The change tracking feature in Microsoft Dataverse provides a way to keep the data synchronized in an efficient manner by detecting what data has changed since the data was initially extracted or last synchronized. Previously, without this new feature, it was difficult to build a reliable and efficient mechanism to determine what records had changed in Dataverse.
                                                                          Reference:
                                                                          https://docs.microsoft.com/en-us/powerapps/deve loper/data-platform/use-change-tra cking-synchronize-data-external-systems

                                                                          Question #4

                                                                          You are configuring two command buttons on a form.
                                                                          The form must display the buttons only if conditions meet a pre-defined criteria.
                                                                          You need to create rules for the form.
                                                                          Which rule types should you use?
                                                                          To answer, select the appropriate options in the answer area.
                                                                          NOTE: Each correct selection is worth one point.

                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer:


                                                                          Explanation:

                                                                          Question #5

                                                                          You are developing a model-driven app using JavaScript.
                                                                          You need to configure the app to display a dialog box when a form is opened or when a grid on a form is sorted.
                                                                          What should you use?

                                                                          • A. Subgrid OnLoad
                                                                          • B. Grid OnChange
                                                                          • C. Grid OnSave
                                                                          • D. Grid OnRecordSelect
                                                                          Reveal Solution  Discussion  0

                                                                          Correct Answer: A  🗳️

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