Valid Plat-Dev-301 Test Cram | Plat-Dev-301 Well Prep

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionObjectives
Topic 1: Integration and APIs- Platform events and messaging
  • 1. Event-driven architecture
    • 2. Change Data Capture concepts
      - External system integration
      • 1. REST and SOAP API usage
        • 2. Callouts from Apex
          Topic 2: Data Modeling and Management- Advanced data modeling
          • 1. Complex relationships and schema design
            • 2. Large data volume considerations
              - Data access and security
              • 1. Sharing rules and Apex-managed sharing
                • 2. Security enforcement in Apex
                  Topic 3: Testing and Deployment- Testing strategies
                  • 1. Test data creation and mocking
                    • 2. Code coverage and quality practices
                      - Deployment lifecycle
                      • 1. Change sets and deployment tools
                        • 2. Version control and CI/CD concepts
                          Topic 4: Application Development- Advanced Apex programming
                          • 1. Dynamic Apex and metadata-driven development
                            • 2. Exception handling and debugging strategies
                              • 3. Apex design patterns and best practices
                                - Asynchronous processing
                                • 1. Scheduled Apex
                                  • 2. Future methods and limits considerations
                                    • 3. Batch Apex and Queueable Apex

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                                      2026 Plat-Dev-301: Salesforce Certified Platform Developer II - Multiple Choice High Hit-Rate Valid Test Cram

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                                      Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q111-Q116):

                                      NEW QUESTION # 111
                                      Refer to the Lightning component below:

                                      The Lightning Component allows users to click a button to save their changes and then redirects them to a different page. Currently when the user hits the Save button, the records are getting saved, but they are not redirected. Which three techniques can a developer use to debug the JavaScript? Choose 3 answers

                                      Answer: C,D,E

                                      Explanation:
                                      When debugging JavaScript in a Lightning Component, developers can utilize the following techniques:
                                      A . Use console.log() messages in the JavaScript: This is a standard debugging technique to log information to the browser console, which can help trace the execution flow or output variable values.
                                      B . Use the browser's dev tools to debug the JavaScript: Modern browsers come equipped with developer tools that can be used to set breakpoints, step through code, and inspect variables at runtime.
                                      C . Enable Debug Mode for Lightning components for the user: Enabling Debug Mode for users provides more detailed error messages and unminified versions of client-side libraries, making it easier to debug issues.
                                      Using the Developer Console to view checkpoints (Option D) and debug logs (Option E) is more relevant for Apex debugging rather than JavaScript.
                                      Salesforce Documentation on Debugging Lightning Components: Debugging


                                      NEW QUESTION # 112
                                      A developer wrote a class named asccuntRisteryManager that relies on field history tracking. The class has a static method called getaccountHistory that Lakes in an Account as a parameter and returns a list of associated accountHistory object records.
                                      The following test fails:

                                      What should be done to make this test pass?

                                      Answer: A

                                      Explanation:
                                      To make the test pass, @isTest(SeeAllData=true) should be used to allow the test to access historical data from the org. This is required because field history tracking data is not copied to a test context, so you need to allow the test to access live data to assert against it.


                                      NEW QUESTION # 113
                                      Which use case can be performed only by using asynchronous Apex?

                                      Answer: C

                                      Explanation:
                                      Making a callout from an Apex trigger is not allowed synchronously; hence, such callouts must be performed in an asynchronous context. The only way to perform this within the Salesforce platform is by using asynchronous Apex, such as @future methods or Queueable Apex.


                                      NEW QUESTION # 114
                                      As part of point-to-point integration, a developer must call an external web service which, due to high demand, takes a long time to provide a response. As part of the request, the developer must collect key Inputs from the end user before making the callout. Which two elements should the developer use to Implement these business requirements?
                                      Choose 2 answers

                                      Answer: A,B

                                      Explanation:
                                      For implementing business requirements that involve collecting key inputs from the end user before making a long-running callout, a combination of a Lightning web component and an Apex method that returns a Continuation object is ideal. The Lightning web component can be used to build a user-friendly interface to collect the inputs, and the Continuation object in Apex allows for managing the callout in an asynchronous way. This pattern prevents the user interface from freezing and provides a better user experience by allowing the callout to run in the background.
                                      Apex Developer Guide - Asynchronous Callouts to Long-Running Web Services Lightning Web Components Developer Guide


                                      NEW QUESTION # 115
                                      A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow.
                                      What can a developer to do address the issue?

                                      Answer: C

                                      Explanation:
                                      @testSetup method improves test performance. It allows data sharing across test methods within a class, reducing redundant data creation.


                                      NEW QUESTION # 116
                                      ......

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