Microsoft PL-400 Exam Questions
Microsoft Power Platform Developer (Page 12 )

Updated On: 25-Apr-2026

DRAG DROP (Drag and Drop is not supported)
You are developing a Power Platform app for a school. The school plans to use the app to gather information about classes and students.
You must design a plug-in for the app. You must store data about students in the Contacts table and store data about classes in a custom table.
You need to select the stage in the event pipeline for each function.

Which stages should you use? To answer, drag the appropriate plug-in stages to the correct functions. Each plug-in stage may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: PreValidation
For the initial operation, this stage will occur before the main system operation.
This provides an opportunity to include logic to cancel the operation before the database transaction.

Box 2: PreOperation
Occurs before the main system operation and within the database transaction.
If you want to change any values for an entity included in the message, you should do it here.
Avoid cancelling an operation here. Canceling will trigger a rollback of the transaction and have significant performance impact.

Box 3: PostOperation
Occurs after the main system operation and within the database transaction.
Use this stage to modify any properties of the message before it is returned to the caller.


Reference:

https://docs.microsoft.com/en-us/powerapps/developer/data-platform/event-framework



The communication department for a company plans to add a publicly accessible survey page to the company's public website.
You must add the new survey page to the company's public website and capture data from the page to a Common Data Service environment.
Explicit user credentials must not be required to write survey data to Common Data Service.
You need to implement authentication.
Which authentication mechanism should you implement?

  1. ADFS
  2. Azure AD Conditional Access
  3. OAuth 2.0
  4. Client secret

Answer(s): C

Explanation:

The OAuth 2.0 client credentials grant flow permits a web service (confidential client) to use its own credentials, instead of impersonating a user, to authenticate when calling another web service.
Note: OAuth is the preferred means to authenticate because it provides access to both the OData RESTful web services (Web API and OData global Discovery service) as well as to the SOAP web services (Organization service and Discovery service).
OAuth is also required to support:
-Azure Active Directory configurations for conditional access, such as Two-factor Authentication (2FA)
-Use of client secrets to enable server-to-server authentication scenarios.
-Cross-Origin Resource Sharing (CORS) to connect a Single-page Application (SPA)


Reference:

https://docs.microsoft.com/en-us/power-platform/admin/wp-security https://docs.microsoft.com/en-us/powerapps/developer/data-platform/authentication



DRAG DROP (Drag and Drop is not supported)
A company uses Dynamics 365 Sales.
Sales commission must be calculated when an order is placed. You create an Azure Function to perform the calculation. The Azure Function has an HTTP trigger.
You need to configure the Plug-in Registration tool to send data to the Azure Function when an order is placed. You open the Plug-in Registration tool and connect to Dynamics 365 Sales.

Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Step 1:SelectRegister New Web Hook.
Configure Dynamics 365 Sales to Call Your Webhook in Azure Functions
1. Open the Plug-in Registration Tool and connect to your organization.
2. Select Register->Register New Web Hook



Step 2: Enter the endpoint URL



Step 3: Register a New Step for Create of SalesOrder.
Register a new webhook, and then tie that webhook to an event in Dynamics 365 Sales. Select your newly registered webhook, right-click it, and then choose
"Register New Step."
Note that the webhook here is set to execute whenever a change to an account record is detected within Dynamics 365 Sales.


Reference:

https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/tutorial-write-plug-in



The communication department for a company plans to add a publicly accessible survey page to the company's public website.
You must add the new survey page to the company's public website and capture data from the page to a Common Data Service environment.
Explicit user credentials must not be required to write survey data to Common Data Service.
You need to implement authentication.
Which authentication mechanism should you implement?

  1. Microsoft 365
  2. X.509 certificate
  3. OAuth 2.0
  4. Claims-based

Answer(s): C

Explanation:

OAuth is the preferred means to authenticate because it provides access to both the OData RESTful web services (Web API and OData global Discovery service) as well as to the SOAP web services (Organization service and Discovery service).
OAuth is also required to support:
-Azure Active Directory configurations for conditional access, such as Two-factor Authentication (2FA)
-Use of client secrets to enable server-to-server authentication scenarios.
-Cross-Origin Resource Sharing (CORS) to connect a Single-page Application (SPA)
Incorrect Answers:
A: Using Microsoft 365 authentication does not require that your register your applications as OAuth does. You must simply provide a User Principal Name (UPN) and password for a valid user.


Reference:

https://docs.microsoft.com/en-us/powerapps/developer/data-platform/authentication



DRAG DROP (Drag and Drop is not supported)
You are a Power Platform developer.
Users report several access issues.
You need to resolve the user access issues.

What should you use? To answer, drag the appropriate security options to the correct scenarios. Each security option may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: Conditional access
You can limit access to users with block access by location to reduce unauthorized access. By using Conditional Access policies, you can apply the right access controls when needed to help keep your organization secure and stay out of your user's way when not needed. Conditional Access analyses signals such as user, device, and location to automate decisions and enforce organizational access policies for resources.

Box 2: DLP policy
DLP policies enforce rules for which connectors can be used together by classifying connectors as either Business or Non-Business. If you put a connector in the
Business group, it can only be used with other connectors from that group in any given app or flow. Sometimes you might want to block the usage of certain connectors altogether by classifying them as Blocked.

Box 3: Exfiltration blocking
Email exfiltration controls for connectors
Microsoft Exchange enables admins to disable email autoforwards and autoreplies to remote domains for external recipients. Exchange does this by using message-type headers, such as Auto Forward received from Outlook and Outlook on web clients.


Reference:

https://docs.microsoft.com/en-us/power-platform/admin/restrict-access-online-trusted-ip-rules https://docs.microsoft.com/en-us/power-platform/admin/wp-data-loss-prevention https://docs.microsoft.com/en-us/power-platform/admin/block-forwarded-email-from-power-automate



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PL-400 Exam Discussions & Posts

Microsoft PL-400: Skills Tested, Job Roles, and Study Tips

The Microsoft Power Platform Developer certification is designed for professionals who are responsible for designing, developing, securing, and troubleshooting Power Platform solutions. These individuals are typically software developers, technical consultants, or solution architects who possess a deep understanding of the Power Platform ecosystem and its integration capabilities. Organizations hire certified Power Platform Developers to bridge the gap between complex business requirements and technical implementation, ensuring that low-code solutions are robust, scalable, and secure. This certification validates that a candidate can effectively manage the full application lifecycle, from initial technical design to deployment and ongoing maintenance. By achieving this credential, professionals demonstrate their ability to extend the platform using pro-code techniques, which is essential for enterprises that require custom functionality beyond standard out-of-the-box features.

In the current job market, the demand for skilled developers who can navigate both the low-code and pro-code aspects of Microsoft technologies continues to grow. Companies are increasingly relying on the Power Platform to automate business processes, manage data, and create custom user interfaces that integrate seamlessly with existing enterprise systems. A certified Power Platform Developer is expected to understand the nuances of Dataverse, the intricacies of the Power Apps component framework, and the complexities of integrating external systems via APIs. This role is not merely about building applications; it is about architecting solutions that adhere to security best practices and performance standards. Consequently, holding this certification serves as a clear indicator to employers that a candidate has the technical proficiency to handle high-stakes development projects within the Microsoft ecosystem.

What the PL-400 Exam Covers

The PL-400 exam evaluates a candidate's ability to create a technical design that aligns with business requirements, ensuring that the proposed solution is both feasible and maintainable. Candidates must demonstrate proficiency in building Power Platform solutions, which involves configuring Dataverse entities, creating model-driven apps, and designing canvas apps that provide a seamless user experience. A significant portion of the exam focuses on implementing Power Apps improvements, requiring developers to optimize performance, manage solution components, and troubleshoot common issues that arise during the development lifecycle. Furthermore, the exam tests the ability to extend the user experience through custom PCF controls and to extend the platform by writing custom plugins and Azure functions. Developing integrations is another critical domain, where candidates must prove they can connect Power Platform solutions with external data sources and services using custom connectors and API management tools. Utilizing our practice questions allows you to test your knowledge across these diverse domains, ensuring you are prepared for the varied scenarios you will encounter on the actual certification exam.

Among these domains, extending the platform and developing integrations are often considered the most technically demanding areas for candidates. These sections require a deep understanding of the Dataverse event execution pipeline, the ability to write and debug C# code for plugins, and the knowledge of how to securely expose data through web APIs. Candidates must be comfortable with the asynchronous and synchronous processing models within Dataverse, as well as the security implications of custom code execution. Demonstrating this level of expertise requires more than just surface-level knowledge; it requires a practical understanding of how code interacts with the platform's underlying architecture. Mastering these complex topics is essential for success, as they often form the basis of the most challenging scenario-based questions on the certification exam.

Are These Real PL-400 Exam Questions?

Our platform provides practice questions that are sourced and verified by the community, consisting of IT professionals and recent test-takers who have sat for the actual exam. These questions are designed to reflect the style, difficulty, and subject matter that appear on the real exam, providing you with a realistic assessment of your readiness. We prioritize the "community-verified" aspect of our content, as it ensures that the information remains current and accurate in an ever-changing technical landscape. If you have been searching for PL-400 exam dumps or braindump files, our community-verified practice questions offer something more valuable, each question is verified and explained by IT professionals who recently passed the exam. We do not provide leaked or confidential content, but rather a high-quality study resource that helps you understand the concepts tested on the Microsoft certification exam.

The community verification process is the cornerstone of our platform's reliability and effectiveness for exam preparation. When a question is added or updated, it undergoes a rigorous review by users who have recently taken the exam, allowing them to discuss answer choices, flag potentially incorrect information, and share context from their own testing experience. This collaborative approach ensures that the explanations provided are not just technically correct but also aligned with the specific logic and phrasing used by Microsoft. By engaging with these discussions, you gain insights into the "why" behind each answer, which is far more beneficial than simply memorizing a list of correct options. This transparency and community-driven validation are what make our practice questions a trusted tool for your exam preparation journey.

How to Prepare for the PL-400 Exam

Effective exam preparation for the PL-400 requires a balanced approach that combines theoretical study with hands-on practice in a real or sandbox environment. You should prioritize building actual solutions, such as creating custom plugins, developing PCF controls, and configuring Dataverse security roles, rather than relying solely on reading documentation. While official Microsoft documentation is an invaluable resource for understanding the technical specifications, it must be supplemented with practical application to truly internalize the concepts. Every practice question on our platform includes a free AI Tutor explanation that breaks down the reasoning behind the correct answer, so you understand the concept, not just the answer. This AI Tutor serves as a personalized study assistant, helping you identify knowledge gaps and reinforcing your understanding of complex topics like API integration and solution architecture.

A common mistake candidates make is focusing too heavily on rote memorization of questions and answers, which often leads to failure when they encounter scenario-based questions on the actual certification exam. The PL-400 exam is designed to test your ability to apply knowledge in specific business contexts, meaning you must understand the underlying principles to solve problems you have not seen before. To avoid this pitfall, you should create a structured study schedule that allocates time for both reviewing core concepts and taking practice tests to gauge your progress. Additionally, pay close attention to the time management aspect of your study sessions, as the exam requires you to process information and make decisions quickly. By focusing on conceptual understanding and consistent practice, you will be much better equipped to handle the challenges of the exam day.

What to Expect on Exam Day

On the day of your certification exam, you should be prepared for a variety of question formats, including multiple-choice, scenario-based questions, and potentially drag-and-drop or ordering tasks. These questions are designed to assess your practical skills and your ability to make architectural decisions within the Power Platform. The exam is typically administered through a secure testing environment, such as Pearson VUE, which ensures the integrity and fairness of the testing process. You will be given a set amount of time to complete the exam, and it is crucial to manage your time effectively across the different sections. While the specific passing score and exact number of questions can vary, the focus remains on your ability to demonstrate competency in the domains outlined by Microsoft.

The testing environment is strictly controlled, and you should familiarize yourself with the rules and requirements provided by the testing center or the online proctoring service well in advance. This includes understanding the check-in process, the technical requirements for online testing, and the policies regarding breaks and prohibited items. Being mentally prepared for the format of the exam is just as important as being technically prepared for the content. By having a clear understanding of what to expect, you can reduce test anxiety and focus entirely on demonstrating your expertise. Remember that the goal of the certification exam is to validate your professional skills, so approach each question with the mindset of a developer solving a real-world business problem.

Who Should Use These PL-400 Practice Questions

These practice questions are intended for developers, technical consultants, and solution architects who are actively preparing for the Microsoft Power Platform Developer certification. Ideally, candidates should have at least one to two years of experience working with the Power Platform, including hands-on experience with Dataverse, Power Apps, and Power Automate. Whether you are looking to validate your existing skills or advance your career by moving into more complex development roles, this certification exam is a significant milestone. Using our platform for your exam preparation will help you identify your strengths and weaknesses, allowing you to focus your study efforts where they are needed most. Achieving this certification can open doors to new opportunities and demonstrate your commitment to professional excellence in the Microsoft ecosystem.

To get the most out of these practice questions, do not simply read the answer and move on to the next one. Instead, engage deeply with the AI Tutor explanation provided for each question, as this will help you understand the reasoning behind the correct choice and the pitfalls of the incorrect ones. Participate in the community discussions to see how other professionals interpret the questions and share your own insights if you have a different perspective. If you find yourself consistently getting certain types of questions wrong, flag them and revisit them later to ensure you have mastered the underlying concept. Browse the questions above and use the community discussions and AI Tutor to build real exam confidence.

Updated on: 27 April, 2026

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