Microsoft Power Platform Developer (PL-400) Practice Exam Dumps 2025 (PDF)
Microsoft Power Platform Developer (PL-400) Practice Exam Dumps 2025 (PDF)
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Question 1:
You need to connect to the background check API.
Which mechanism should you use?
A. JavaScript
B. low with a custom connector
C. Azure Function
D. Plug-in
Answer: C
Explanation:
The best mechanism to connect to the background check API in this scenario is Azure Functions.
Azure Functions Advantages:
Serverless Architecture: Eliminates the need to manage infrastructure, simplifying deployment and scaling.
Flexible Triggers: Can be initiated by various events (HTTP requests, timers, message queues), enabling versatile integration with Dynamics 365.
Secure Data Handling: Provides a controlled environment for sensitive background check information, supporting encryption and access controls.
Custom Logic: Allows for complex processing, transformations, and integration with other systems as needed.
Integration with Dynamics 365: Can be linked to Dynamics 365 using webhooks, custom connectors, or other mechanisms, enabling seamless interaction.
Addressing Other Options‘ Limitations:
JavaScript: While possible for direct API calls, it often requires more coding expertise and might not be ideal for sensitive data handling or complex processing within Dynamics 365 forms.
Flow with Custom Connector: Suitable for less intricate integrations, but Azure Functions offer greater flexibility and control for complex scenarios and sensitive data.
Plug-ins: Primarily designed for custom logic within Dynamics 365 itself, not for direct API interactions or server-side processing.
Additional Benefits of Azure Functions:
Scalability: Automatically scales to handle varying workloads, ensuring responsiveness and cost-efficiency.
Monitoring and Debugging: Provides tools for tracking function execution and troubleshooting issues.
Integration with Azure Ecosystem: Works seamlessly with other Azure services like Logic Apps, Storage, and Event Grid for comprehensive workflows.
Question 2:
You develop and deploy a Power Apps solution.
The following changes must be made to the solution:
* Delete a column of data.
* Modify several views.
* Add several charts to dashboards.
You need to re-deploy the app. What should you do?
A. Update the solution.
B. Upgrade the solution.
C. Create a new solution.
D. atch the solution.
Answer: A
Explanation:
Updating vs. Upgrading:
Update: This option allows you to modify existing components within the solution, such as deleting columns, modifying views, and adding charts to dashboards. It‘s the most efficient approach for changes affecting specific components within the already deployed solution.
Upgrade: This option typically involves applying major changes to the solution structure or underlying platform, often including new features or functionality. It might involve replacing outdated components or merging several solutions. In your scenario, the described changes wouldn‘t necessitate a full upgrade.
Additional Options:
Create a new solution: This would be unnecessary as you already have a functional solution and only need to modify existing components. Creating a new solution wouldn‘t automatically inherit your existing app and customizations.
Patch the solution: Patching is an advanced concept for applying specific updates to your app without affecting other components. It‘s suitable for minor code changes or bug fixes, not the type of modifications you described.
Recommendation:
Therefore, the most efficient and appropriate way to implement the desired changes is to Update the solution. This allows you to easily modify existing components while preserving the overall structure and functionality of your deployed app. Remember to export the updated solution and import it into your target environment to apply the changes.
Question 3:
You are developing a Power Apps app to manage records in the Account table in Microsoft Dataverse. You must configure a Web API request to retrieve changes from the table. You need to configure the preference header for the API request. What should you include in the request header?
A. odata.nextLink
B. odata-context
C. odata.deltaLink
D. odata.track-changes
Answer: D
Explanation:
Purpose: This header signals to the Dataverse Web API that you want to be notified of any changes made to the records in the Account table since the last time you queried it.
Functionality: When the API includes this header in its response, it provides a deltaLink that you can use to fetch subsequent changes efficiently.
Incorrect Options:
odata.nextLink: This header is used for pagination, indicating links to the next set of results in a multi-page response.
odata-context: This header provides metadata about the current request context, including entity types and relationships.
odata.deltaLink: This link is provided in the response when odata.track-changes is enabled, but it‘s not a header you set in the request itself.
Example Request:
HTTP
GET https://yourorg.crm.dynamics.com/api/data/v9.0/accounts
Prefer: odata.track-changes
Use code with caution. Learn more
Key Points:
Efficient Change Tracking: The odata.track-changes header enables you to efficiently stay up-to-date with data changes in Dataverse.
Delta Link Retrieval: Use the provided deltaLink in subsequent requests to retrieve only the modified records, reducing bandwidth and processing overhead.
Continuous Synchronization: This mechanism is essential for Power Apps apps that need to maintain a real-time or near-real-time view of data changes.
Question 4:
You are troubleshooting a new canvas app.
Users report the app loads slowly. You use the Monitor tool to view various events being performed in the app. Events performed in the app do not have formula details.
You need to enable formulas to be included with the Monitor tool events.
What should you do?
A. Turn on the Debug published app setting in the canvas app.
B. After each event, implement the trace function within the canvas app.
C. Add the Microsoft Azure Application Insights data source to the canvas app.
D. Validate the Application Insights instrumentation key has been populated in the app object‘s properties within the canvas app.
Answer: A
Explanation:
Granular Insights: When the Debug published app setting is enabled, the Monitor tool captures not only the events themselves but also the underlying formulas associated with those events. This provides valuable insights into the app‘s logic and execution flow, aiding in troubleshooting and performance optimization.
Formula Visibility: Without this setting, the Monitor tool only shows basic event information, such as event names and timestamps, but not the specific formulas involved, limiting your ability to diagnose issues effectively.
Incorrect Options:
Trace Function: While the Trace function can be used for debugging within the app, it doesn‘t directly impact the Monitor tool‘s ability to capture formula details.
Application Insights: Application Insights is a separate service for collecting telemetry data, but it doesn‘t automatically include formula details in the Monitor tool.
Instrumentation Key: The instrumentation key is used for connecting to Application Insights, not for enabling formula visibility in the Monitor tool.
Steps to Enable the Setting:
Open your canvas app in Power Apps Studio.
Navigate to File > Settings > Advanced settings.
Under Debugging, locate the Debug published app setting.
Toggle the setting to On.
Save and publish your app.
Key Points:
Production Environments: Be mindful that enabling this setting in a production environment might have privacy implications, as it exposes formula details. Use it judiciously and consider disabling it after troubleshooting.
Performance Impact: The Debug published app setting can slightly increase app loading time, so use it only when necessary for troubleshooting purposes.
By turning on the Debug published app setting, you‘ll gain deeper insights into your app‘s behavior and formula execution, empowering you to effectively troubleshoot issues like slow loading times and identify potential optimizations.
Question 5:
You are developing a model-driven app for a company.
The app must map child records to a parent record.
You need to use the column mapping feature to configure the app.
Which two actions can you perform? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. Map the value of columns on both the child table quick-create and main forms to the value for the same columns on the parent table.
B. Map the value of a column on the parent table that uses column values from the child table.
C. Map the value of a Choices column on the child table to the value of a Choices column on the parent table.
D. Map the value of a single line of text column on the child table to the value of a currency column on the parent record.
Answer: A and C
Explanation:
Map the value of columns on both the child table quick-create and main forms to the value for the same columns on the parent table.
This ensures that when a new child record is created, either through the quick-create form or the main form, the specified columns on the child record will automatically inherit values from the corresponding columns on the parent record. This maintains consistency and streamlines data entry.
Map the value of a Choices column on the child table to the value of a Choices column on the parent table.
This guarantees that the value selected in a Choices column on the child record is automatically synchronized with the corresponding Choices column on the parent record. This enforces data integrity and consistency between related records.
Here‘s why the other options are incorrect:
Mapping a column on the parent table that uses column values from the child table: Column mapping is specifically for transferring values from parent to child, not the other way around.
Mapping a single line of text column to a currency column: Column mapping requires compatible data types. You cannot directly map a text column to a currency column.
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Question 6:
You develop a model-driven app. You add the following users as members to the Sales Microsoft Azure Active Directory (Azure AD) security group: User1, User2 and User3.
The Sales Azure AD security group is linked to a pre-existing Microsoft Dataverse Azure AD security group team that is associated with the Sales security role. You assign each of the appropriate licenses to each user
User1 is not listed in the Team Members subgrid for the app. user2 and User3 are listed in the subgrid.
You need to ensure that User1 can use the model-driven app
What should you do?
A. Change the membership of the Sales Azure AD Security group to Dynamic User
B. Change the membership type for User1 to Owner in the Azure AD security group.
C. Create an Owner team for the members of the Sales Azure AD group.
D. Ask User1 to sign into the model-driven app.
Answer: D
Explanation:
Membership and Licensing: User1 is already a member of the Sales Azure AD security group, which is linked to the appropriate team and security role in Dataverse. They also have the necessary license. These factors indicate that User1 should have access to the app.
Team Members Subgrid: The Team Members subgrid in model-driven apps doesn‘t always reflect real-time membership. It might take some time to sync with Azure AD changes.
Signing in Triggers Sync: The act of User1 signing into the app will initiate a synchronization process between Dataverse and Azure AD, ensuring their membership is accurately reflected and granting them access to the app.
Incorrect Options:
Changing Membership Type or Creating Owner Team: These actions are unnecessary as User1 already has the appropriate membership and role for accessing the app.
Dynamic User Membership: While this option can offer automatic updates, it‘s not directly relevant to the current issue, which is likely a temporary sync delay.
Key Points:
Team Members Subgrid Limitation: Be aware that the Team Members subgrid might not always immediately display accurate membership information.
Sign-In Triggers Sync: Signing into the app often resolves sync delays and ensures proper access for users.
Troubleshooting: If User1 still cannot access the app after signing in, consider:
Manually refreshing the Team Members subgrid.
Checking for any specific errors or access restrictions.
Verifying that User1 is indeed a member of the Sales Azure AD security group.
Reassigning User1 to the team and security role in Dataverse.
By understanding the nuances of team membership sync and the role of signing in, you can effectively address similar access issues in model-driven apps and ensure a smooth user experience.
Question 7:
You create and deploy a Power Platform solution that includes synchronous plug-ins Users report performance issues with the solution.
You need to determine whether a plug-in is the cause of the performance issues. Which two tools can you use? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point-
A.Microsoft Dataverse Analytics
B. Solution checker
C. Tracing
D. SV Studio
E. Data policies
Answer: B and C
Explanation:
Tracing:
Enable tracing for your plug-in to get a detailed log of its execution steps and the time it takes for each step. This will help you identify any slow steps or bottlenecks within the plug-in logic.
Solution checker:
This built-in Power Platform tool analyzes your solution components and highlights potential performance issues, including inefficient plug-in executions. It provides valuable insights and recommendations for optimization.
Incorrect Options:
Microsoft Dataverse Analytics: While this tool offers comprehensive data insights, it‘s not specifically designed for analyzing plug-in performance.
SV Studio: This developer tool is primarily used for testing and debugging canvas apps, not plug-ins.
Data policies: These policies govern data access and security, but they don‘t offer performance analysis capabilities.
Additional Tips:
Analyze the tracing logs alongside other performance metrics like execution time and system resource usage.
Consider profiling the plug-in code to identify specific lines or functions contributing to slow execution.
Leverage optimization techniques like asynchronous operations and efficient data retrieval methods to improve plug-in performance.
Question 8:
A company implementsDynamics 365 Customer Service. The company deploys synchronous plug-ins for the PreOperation and PostOperation stages on create and for the PostOperation stage on update for processing different case type.
Users experience errors when updating cases. The plug-in trace log files show that the PostOperation plug-in update of case times out after two minutes.
You perform basic testing and discover that this plug-in is triggered on every update of a case. You examine the code and discover that the plug-in retrieves all columns for the updated case record performing its work.
You need to reduce the number of errors. You need to achieve this goal with the test amount of changes.
Solution: In the Plug-in Registration tool, set filtering attributes on the plug-in to only Case Type filed.
Does the solution meet the goal?
A.Yes
B.No
Answer: B
Explanation:
Limited Scope of Filtering Attributes:
Filtering attributes primarily control when a plug-in is triggered, not its execution logic or performance.
While they can reduce unnecessary executions, they don‘t address the core issues of inefficient data retrieval and potential timeouts within the plug-in itself.
Why It Won‘t Help:
Timeouts: The plug-in still times out after two minutes, as filtering doesn‘t affect its processing time.
Unnecessary Retrieval: The plug-in still retrieves all columns, even if it only operates on specific case types.
More Effective Solutions:
Implement a post-image and remove unnecessary retrievals: This directly addresses the root causes of timeouts by optimizing data access.
Add conditional logic within the plug-in: This further reduces redundant executions by only running the plug-in when certain criteria are met.
Consider asynchronous plug-ins for long-running tasks: This prevents blocking user interactions during execution.
Remember:
Filtering attributes are useful for managing when plug-ins run, but they‘re not designed to improve performance within a plug-in itself.
To address timeouts and performance bottlenecks, focus on code optimization, data retrieval strategies, and potential asynchronous execution.
Question 9:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
A university has implemented Dynamics 365 Customer Engagement. Several departments use opportunity records to bid for funding for projects within their own departments.
Each department‘s opportunities are not visible to other departments. However, there are times when two departments need to work together on an opportunity.
You need to configure the security to meet the business requirements.
Solution: Share the individual opportunity that member of one department are working on with all members of the second department, and give those members the appropriate permissions.
Does the solution meet the goal?
A. Yes
B. No
Answer: B
Explanation:
1. Overkill and Security Concerns:
Sharing a single opportunity with all members of another department grants far more access than necessary. It unnecessarily exposes sensitive information to irrelevant individuals, potentially violating data security best practices.
2. Difficulty in Management:
Sharing individual opportunities becomes cumbersome and error-prone as the number of collaborations increases. Tracking and managing which opportunities are shared with each department can be a logistical challenge.
3. Inefficient Workflow:
This approach doesn‘t facilitate streamlined collaboration. Both departments might still have difficulty finding and accessing relevant information in shared opportunities, leading to inefficiencies.
Alternative Solutions:
Teams: Create a Dynamics 365 Team for each collaborative project and add members from both departments. This provides controlled access and a dedicated space for communication and document sharing.
Security Roles: Create specific security roles with appropriate permissions for users involved in collaborative projects. This grants targeted access based on individual needs without compromising overall security.
Business Units: Utilize business units to separate departments while allowing controlled access for specific collaborations. This ensures data isolation within departments while enabling secure joint working when needed.
Remember:
The objective is to enable collaboration while maintaining data security and efficient workflows. Sharing individual opportunities with all members of another department doesn‘t address these concerns effectively.
Consider alternative solutions that grant precise access based on roles, teams, or organizational units, balancing collaboration with data security and management.
Question 10:
You need to resolve the address validation API error.
Which method should you use to connect?
A. an Azure function triggered by a webhook
B. JavaScript code
C. a custom connector used in a cloud flow
D. a plug-in attached to a custom action called from JavaScript
Answer: C
Explanation:
Advantages of Custom Connectors:
Seamless Integration: Custom connectors bridge the gap between Dynamics 365 and external APIs, enabling smooth data exchange and interaction.
No-Code Approach: They allow you to leverage API functionality without requiring extensive coding knowledge, making them accessible to a broader range of users.
Cloud Flow Automation: Custom connectors can be incorporated into cloud flows, automating actions and processes that involve external APIs.
Centralized Management: They are managed within the Power Platform, providing a centralized platform for configuration, monitoring, and maintenance.
Enhanced Security: Custom connectors offer security features like authentication and data privacy controls to protect sensitive information.
Specific Benefits for Address Validation:
Error Handling: Custom connectors can handle errors gracefully, providing informative messages and allowing for retry attempts.
Data Mapping: They can map Dynamics 365 fields to API parameters and vice versa, ensuring data consistency and accuracy.
Trigger-Based Actions: Cloud flows can initiate address validation based on various events (e.g., record creation, updates), automating the process.
Other Options and Considerations:
JavaScript Code: While direct JavaScript calls are possible, they often require more coding expertise and can complicate maintenance within Dynamics 365.
Plug-ins: Plug-ins can also interact with APIs, but they typically involve more technical complexity and might not be as versatile for cloud-based workflows.
Azure Functions: Azure Functions can be useful for complex integration scenarios or when custom logic is required, but they introduce additional infrastructure and potential deployment overhead.
For a full set of 719 questions. Go to
https://skillcertpro.com/product/microsoft-power-platform-developer-pl-400-exam-questions/
SkillCertPro offers detailed explanations to each question which helps to understand the concepts better.
It is recommended to score above 85% in SkillCertPro exams before attempting a real exam.
SkillCertPro updates exam questions every 2 weeks.
You will get life time access and life time free updates
SkillCertPro assures 100% pass guarantee in first attempt.