{"id":12250,"date":"2026-09-15T07:21:20","date_gmt":"2026-09-15T07:21:20","guid":{"rendered":"https:\/\/www.examlabs.com\/certification\/?p=12250"},"modified":"2026-09-15T07:21:20","modified_gmt":"2026-09-15T07:21:20","slug":"microsoft-pl-400-practice-test-questions-and-exam-dumps-part-5-q81-100","status":"publish","type":"post","link":"https:\/\/www.examlabs.com\/certification\/microsoft-pl-400-practice-test-questions-and-exam-dumps-part-5-q81-100\/","title":{"rendered":"Microsoft PL-400 Practice Test Questions and Exam Dumps Part 5 Q81-100"},"content":{"rendered":"

View Full Microsoft PL-400 Exam Dumps<\/a> and Practice Test Dumps.<\/b><\/p>\n

 <\/p>\n

Question 81<\/b><\/h3>\n

A developer needs to prevent a plug-in from executing when an update operation does not modify a specific column. Which configuration should the developer use?<\/b><\/p>\n

    \n
  1. <\/b> Execution order<\/span>
    \n<\/span> 2.<\/b> Filtering attributes<\/span>
    \n<\/span> 3.<\/b> Secure configuration<\/span>
    \n<\/span> 4.<\/b> Impersonating user<\/span><\/li>\n<\/ol>\n

    Correct Answer: 2<\/b><\/p>\n

    Explanation<\/b><\/p>\n

    Filtering attributes allow a Dataverse plug-in step to execute only when specified columns are included in an update request. This improves performance because the plug-in does not run unnecessarily for unrelated changes. For example, if a plug-in only needs to process changes to the CreditLimit column, the developer can configure CreditLimit as a filtering attribute. Execution order controls sequencing, while secure configuration stores sensitive configuration data.<\/span><\/p>\n

    Question 82<\/b><\/h3>\n

    A developer needs to store a URL that differs between development, test, and production environments. Which Power Platform feature should be used?<\/b><\/p>\n

      \n
    1. <\/b> Business rule<\/span>
      \n<\/span> 2.<\/b> Connection reference<\/span>
      \n<\/span> 3.<\/b> Environment variable<\/span>
      \n<\/span> 4.<\/b> Alternate key<\/span><\/li>\n<\/ol>\n

      Correct Answer: 3<\/b><\/p>\n

      Explanation<\/b><\/p>\n

      Environment variables are designed to store configuration values that can change between environments. A developer can create an environment variable for a URL and provide different values in development, test, and production. This prevents hard-coded environment-specific values inside applications or solutions. Connection references are primarily used to represent connections used by flows and other solution components, while alternate keys identify records.<\/span><\/p>\n

      Question 83<\/b><\/h3>\n

      A developer creates a custom API that should perform server-side business logic when called by a Power Apps application. What is the primary purpose of the custom API?<\/b><\/p>\n

        \n
      1. <\/b> Expose reusable Dataverse business logic through a defined operation<\/span>
        \n<\/span> 2.<\/b> Replace all Dataverse tables<\/span>
        \n<\/span> 3.<\/b> Automatically create environment variables<\/span>
        \n<\/span> 4.<\/b> Configure user interface themes<\/span><\/li>\n<\/ol>\n

        Correct Answer: 1<\/b><\/p>\n

        Explanation<\/b><\/p>\n

        A custom API provides a reusable server-side operation that can be invoked by applications and integrations. It can encapsulate business logic and expose a controlled operation instead of requiring clients to understand the internal implementation. Custom APIs can work with plug-ins to implement the required logic. They are useful when developers need a consistent business operation that can be called from multiple clients.<\/span><\/p>\n

        Question 84<\/b><\/h3>\n

        A developer wants to inspect network requests, performance information, and application events while troubleshooting a model-driven app. Which tool should be used?<\/b><\/p>\n

          \n
        1. <\/b> Solution Checker<\/span>
          \n<\/span> 2.<\/b> Power Apps Monitor<\/span>
          \n<\/span> 3.<\/b> Power Platform Pipelines<\/span>
          \n<\/span> 4.<\/b> Business Process Flow<\/span><\/li>\n<\/ol>\n

          Correct Answer: 2<\/b><\/p>\n

          Explanation<\/b><\/p>\n

          Power Apps Monitor helps developers troubleshoot and analyze applications by providing information about events, network requests, performance, and other runtime activity. It can help identify slow operations, failed requests, and unexpected application behavior. Solution Checker focuses on analyzing solution components for potential issues, while pipelines are used for deployment and business process flows guide users through business stages.<\/span><\/p>\n

          Question 85<\/b><\/h3>\n

          Which plug-in stage occurs before the main database transaction and can be used to validate a request before the core operation?<\/b><\/p>\n

            \n
          1. <\/b> PostOperation<\/span>
            \n<\/span> 2.<\/b> PreValidation<\/span>
            \n<\/span> 3.<\/b> PostValidation<\/span>
            \n<\/span> 4.<\/b> Asynchronous<\/span><\/li>\n<\/ol>\n

            Correct Answer: 2<\/b><\/p>\n

            Explanation<\/b><\/p>\n

            The PreValidation stage occurs before the main database transaction and is commonly used for validation or rejecting an operation before the core Dataverse transaction proceeds. This can reduce unnecessary transaction processing when a request is invalid. PreOperation occurs later and is commonly used to modify values before the database operation. PostOperation runs after the main operation has completed.<\/span><\/p>\n

            Question 86<\/b><\/h3>\n

            A developer needs to create reusable custom functionality that can be placed directly onto Power Apps forms. Which technology is most appropriate?<\/b><\/p>\n

              \n
            1. <\/b> Power Platform Pipeline<\/span>
              \n<\/span> 2.<\/b> Power Apps Component Framework<\/span>
              \n<\/span> 3.<\/b> Environment variable<\/span>
              \n<\/span> 4.<\/b> Connection reference<\/span><\/li>\n<\/ol>\n

              Correct Answer: 2<\/b><\/p>\n

              Explanation<\/b><\/p>\n

              The Power Apps Component Framework, or PCF, allows developers to create reusable code components that provide custom user interface experiences. PCF components can be used in model-driven and canvas applications where supported. Developers can use web technologies and the PCF framework APIs to create specialized controls beyond standard Power Apps controls. Environment variables and connection references are configuration mechanisms rather than user-interface components.<\/span><\/p>\n

              Question 87<\/b><\/h3>\n

              A developer wants to update an existing Dataverse record or create it if no matching record exists based on a unique key. Which operation is most appropriate?<\/b><\/p>\n

                \n
              1. <\/b> Retrieve<\/span>
                \n<\/span> 2.<\/b> Delete<\/span>
                \n<\/span> 3.<\/b> Upsert<\/span>
                \n<\/span> 4.<\/b> Associate<\/span><\/li>\n<\/ol>\n

                Correct Answer: 3<\/b><\/p>\n

                Explanation<\/b><\/p>\n

                Upsert is designed to either update an existing record or create a new record when the matching record cannot be found. Dataverse supports this pattern through the UpsertRequest and related Web API capabilities. It is especially useful for integrations that synchronize external data with Dataverse. The operation can use an alternate key to determine whether the target record already exists.<\/span><\/p>\n

                Question 88<\/b><\/h3>\n

                A developer needs to prevent unauthorized users from accessing sensitive Dataverse records. Which mechanism should primarily be configured?<\/b><\/p>\n

                  \n
                1. <\/b> Security roles and privileges<\/span>
                  \n<\/span> 2.<\/b> Solution layers<\/span>
                  \n<\/span> 3.<\/b> Environment variables<\/span>
                  \n<\/span> 4.<\/b> PCF manifests<\/span><\/li>\n<\/ol>\n

                  Correct Answer: 1<\/b><\/p>\n

                  Explanation<\/b><\/p>\n

                  Dataverse security roles and privileges provide the primary mechanism for controlling what users can access and what operations they can perform. Privileges can control actions such as create, read, write, delete, append, and append to. Access can also be affected by business units, ownership, teams, sharing, and other security mechanisms. Solution layers and environment variables do not provide record-level authorization.<\/span><\/p>\n

                  Question 89<\/b><\/h3>\n

                  A cloud flow uses a connector that requires authentication to an external service. Which solution component should be used to reference that connection inside a solution?<\/b><\/p>\n

                    \n
                  1. <\/b> Business rule<\/span>
                    \n<\/span> 2.<\/b> Connection reference<\/span>
                    \n<\/span> 3.<\/b> Alternate key<\/span>
                    \n<\/span> 4.<\/b> Calculated column<\/span><\/li>\n<\/ol>\n

                    Correct Answer: 2<\/b><\/p>\n

                    Explanation<\/b><\/p>\n

                    A connection reference represents a connection used by solution-aware cloud flows and other supported components. It allows the solution to reference the required connection without hard-coding a particular connection into the solution. During deployment, the connection reference can be associated with an appropriate connection in the target environment. This supports better application lifecycle management across development, testing, and production environments.<\/span><\/p>\n

                    Question 90<\/b><\/h3>\n

                    A developer needs to retrieve Dataverse records through an HTTP-based interface. Which technology should be used?<\/b><\/p>\n

                      \n
                    1. <\/b> Dataverse Web API<\/span>
                      \n<\/span> 2.<\/b> Power Apps Monitor<\/span>
                      \n<\/span> 3.<\/b> Business rule<\/span>
                      \n<\/span> 4.<\/b> PCF lifecycle API<\/span><\/li>\n<\/ol>\n

                      Correct Answer: 1<\/b><\/p>\n

                      Explanation<\/b><\/p>\n

                      The Dataverse Web API provides an HTTP-based RESTful interface for working with Dataverse data and operations. Developers can use standard HTTP methods and OData capabilities to create, retrieve, update, and delete records. Authentication is required, and applications must have appropriate permissions. The Web API is particularly useful when external applications need to integrate with Dataverse without using the user interface.<\/span><\/p>\n

                      Question 91<\/b><\/h3>\n

                      A developer wants to ensure that a plug-in runs after the primary Dataverse operation has completed successfully. Which stage should be selected?<\/b><\/p>\n

                        \n
                      1. <\/b> PreValidation<\/span>
                        \n<\/span> 2.<\/b> PreOperation<\/span>
                        \n<\/span> 3.<\/b> PostOperation<\/span>
                        \n<\/span> 4.<\/b> Initialization<\/span><\/li>\n<\/ol>\n

                        Correct Answer: 3<\/b><\/p>\n

                        Explanation<\/b><\/p>\n

                        The PostOperation stage occurs after the main Dataverse operation has been performed. It is useful when the plug-in needs to respond to the completed operation or perform additional processing based on the resulting record. PostOperation plug-ins can execute synchronously or asynchronously depending on the configuration and requirements. PreValidation and PreOperation occur before the main database operation.<\/span><\/p>\n

                        Question 92<\/b><\/h3>\n

                        A developer needs to identify a Dataverse record using a value other than the primary ID during integration. Which feature should be configured?<\/b><\/p>\n

                          \n
                        1. <\/b> Alternate key<\/span>
                          \n<\/span> 2.<\/b> Business rule<\/span>
                          \n<\/span> 3.<\/b> Form notification<\/span>
                          \n<\/span> 4.<\/b> Command bar<\/span><\/li>\n<\/ol>\n

                          Correct Answer: 1<\/b><\/p>\n

                          Explanation<\/b><\/p>\n

                          An alternate key allows Dataverse records to be uniquely identified using one or more columns other than the primary record ID. This is particularly useful for integrations where an external system already has a unique identifier. Developers can use alternate keys with Web API operations and upsert scenarios. This avoids unnecessary retrieval of the Dataverse GUID when the external system already knows its own unique identifier.<\/span><\/p>\n

                          Question 93<\/b><\/h3>\n

                          A developer wants to make a Power Automate flow reusable by allowing another flow to invoke it. Which approach should be used?<\/b><\/p>\n

                            \n
                          1. <\/b> Child flow<\/span>
                            \n<\/span> 2.<\/b> Calculated column<\/span>
                            \n<\/span> 3.<\/b> Alternate key<\/span>
                            \n<\/span> 4.<\/b> Business rule<\/span><\/li>\n<\/ol>\n

                            Correct Answer: 1<\/b><\/p>\n

                            Explanation<\/b><\/p>\n

                            A child flow is designed to provide reusable automation that can be invoked by another flow. This approach allows developers to place common actions into a single reusable flow instead of duplicating the same logic across multiple flows. Child flows can improve maintainability and consistency. Developers should also consider appropriate solutions and connection references when implementing reusable flow components.<\/span><\/p>\n

                            Question 94<\/b><\/h3>\n

                            Which feature helps identify whether a Power Apps formula operation can be processed efficiently by the data source?<\/b><\/p>\n

                              \n
                            1. <\/b> Delegation<\/span>
                              \n<\/span> 2.<\/b> Impersonation<\/span>
                              \n<\/span> 3.<\/b> Solution layering<\/span>
                              \n<\/span> 4.<\/b> Plug-in images<\/span><\/li>\n<\/ol>\n

                              Correct Answer: 1<\/b><\/p>\n

                              Explanation<\/b><\/p>\n

                              Delegation allows Power Apps to send supported data operations to the underlying data source rather than retrieving all records and processing them locally. This is important when working with large datasets because local processing can be limited and may produce incomplete results. Developers should use delegable functions and expressions whenever possible. Delegation behavior depends on the specific data source and operation.<\/span><\/p>\n

                              Question 95<\/b><\/h3>\n

                              A developer needs to access values from a record before it is modified inside a Dataverse plug-in. Which feature should be used?<\/b><\/p>\n

                                \n
                              1. <\/b> Post Image<\/span>
                                \n<\/span> 2.<\/b> Pre Image<\/span>
                                \n<\/span> 3.<\/b> Environment variable<\/span>
                                \n<\/span> 4.<\/b> Connection reference<\/span><\/li>\n<\/ol>\n

                                Correct Answer: 2<\/b><\/p>\n

                                Explanation<\/b><\/p>\n

                                A Pre Image contains values from the record before the operation takes place. Plug-ins can use Pre Images to compare previous values with incoming values and determine what changed. For example, a plug-in can compare the previous credit limit with the new credit limit during an update. A Post Image represents values after the operation and is useful when the plug-in needs to inspect the resulting record.<\/span><\/p>\n

                                Question 96<\/b><\/h3>\n

                                A developer needs to deploy a Power Platform application and its dependent components from development to production. What should be used to package the components?<\/b><\/p>\n

                                  \n
                                1. <\/b> Solution<\/span>
                                  \n<\/span> 2.<\/b> Business rule<\/span>
                                  \n<\/span> 3.<\/b> Monitor session<\/span>
                                  \n<\/span> 4.<\/b> Form notification<\/span><\/li>\n<\/ol>\n

                                  Correct Answer: 1<\/b><\/p>\n

                                  Explanation<\/b><\/p>\n

                                  Solutions are the primary packaging and application lifecycle management mechanism for Power Platform components. A solution can contain tables, columns, apps, flows, plug-ins, custom APIs, environment variables, connection references, and other components. Developers can export solutions from one environment and import them into another. Using solutions helps maintain dependencies and supports controlled movement of application components between environments.<\/span><\/p>\n

                                  Question 97<\/b><\/h3>\n

                                  A developer wants a plug-in to execute without making the user wait for the processing to complete. Which configuration is appropriate?<\/b><\/p>\n

                                    \n
                                  1. <\/b> Synchronous execution<\/span>
                                    \n<\/span> 2.<\/b> Asynchronous execution<\/span>
                                    \n<\/span> 3.<\/b> PreValidation execution only<\/span>
                                    \n<\/span> 4.<\/b> Client-side execution<\/span><\/li>\n<\/ol>\n

                                    Correct Answer: 2<\/b><\/p>\n

                                    Explanation<\/b><\/p>\n

                                    Asynchronous plug-ins run outside the immediate user transaction, allowing the initiating operation to complete without waiting for the plug-in’s processing. This is useful for tasks that do not need to immediately return a result to the user. Examples include notifications, integrations, and background processing. Synchronous plug-ins execute as part of the immediate request and can directly affect the transaction.<\/span><\/p>\n

                                    Question 98<\/b><\/h3>\n

                                    A developer needs to expose an external REST service to Power Platform using a reusable connector. Which option is most appropriate?<\/b><\/p>\n

                                      \n
                                    1. <\/b> Custom connector<\/span>
                                      \n<\/span> 2.<\/b> Business process flow<\/span>
                                      \n<\/span> 3.<\/b> Solution layer<\/span>
                                      \n<\/span> 4.<\/b> Alternate key<\/span><\/li>\n<\/ol>\n

                                      Correct Answer: 1<\/b><\/p>\n

                                      Explanation<\/b><\/p>\n

                                      A custom connector allows Power Platform applications and flows to communicate with external APIs that are not already available through standard connectors. Developers can define API operations, authentication, request parameters, responses, and other settings. Custom connectors are especially useful when an organization needs reusable access to an internal or third-party REST service. OpenAPI definitions can also be used to describe API operations.<\/span><\/p>\n

                                      Question 99<\/b><\/h3>\n

                                      A developer needs to prevent a plug-in from performing an operation if a required business condition is not satisfied. Where should this validation generally occur?<\/b><\/p>\n

                                        \n
                                      1. <\/b> PreValidation<\/span>
                                        \n<\/span> 2.<\/b> PostOperation asynchronous<\/span>
                                        \n<\/span> 3.<\/b> Post Image<\/span>
                                        \n<\/span> 4.<\/b> Solution export<\/span><\/li>\n<\/ol>\n

                                        Correct Answer: 1<\/b><\/p>\n

                                        Explanation<\/b><\/p>\n

                                        PreValidation is appropriate for validating whether an operation should proceed before the main database transaction. If the business condition is not satisfied, the plug-in can throw an exception and prevent the request from continuing. This is useful for enforcing server-side business rules that must apply regardless of whether the request originates from a model-driven app, Web API, integration, or another client.<\/span><\/p>\n

                                        Question 100<\/b><\/h3>\n

                                        A developer needs to identify dependencies between components before deploying a solution. Which feature should be used?<\/b><\/p>\n

                                          \n
                                        1. <\/b> Power Apps Monitor<\/span>
                                          \n<\/span> 2.<\/b> Solution dependencies<\/span>
                                          \n<\/span> 3.<\/b> Form notifications<\/span>
                                          \n<\/span> 4.<\/b> Client API<\/span><\/li>\n<\/ol>\n

                                          Correct Answer: 2<\/b><\/p>\n

                                          Explanation<\/b><\/p>\n

                                          Solution dependencies identify relationships between solution components and help determine whether required components are available when a solution is imported. Understanding dependencies is important for successful application lifecycle management because a component may rely on tables, columns, processes, or other components. Developers should review dependencies before deployment and ensure that required components are included or already available in the target environment.<\/span><\/p>\n

                                           <\/p>\n","protected":false},"excerpt":{"rendered":"

                                          View Full Microsoft PL-400 Exam Dumps and Practice Test Dumps.   Question 81 A developer needs to prevent a plug-in from executing when an update operation does not modify a specific column. Which configuration should the developer use? Execution order 2. Filtering attributes 3. Secure configuration 4. Impersonating user Correct Answer: 2 Explanation Filtering attributes […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1648,1647],"tags":[],"_links":{"self":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/12250"}],"collection":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/comments?post=12250"}],"version-history":[{"count":1,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/12250\/revisions"}],"predecessor-version":[{"id":12282,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/12250\/revisions\/12282"}],"wp:attachment":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/media?parent=12250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/categories?post=12250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/tags?post=12250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}