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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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                                      Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q76-Q81):

                                      NEW QUESTION # 76
                                      A Salesforce org has more than 50,000 contacts. A new business process requires a calculation that aggregates data from all of these contact records. This calculation needs to run once a day after business hours.
                                      which two steps should a developer take to accomplish this?
                                      Choose 2 answers
                                      A)

                                      B)

                                      C)

                                      D)

                                      Answer: A,B

                                      Explanation:
                                      When dealing with large datasets and the need to perform complex calculations or data aggregation, batch Apex and scheduling are typically used to efficiently process records in batches and to execute the process during off-peak hours.
                                      Option B is correct because using the @future annotation allows you to run methods in the background, but it is not suitable for operations that need to process more than 50,000 records, which is the governor limit for future methods.
                                      Option C is correct because implementing the Schedulable interface allows you to schedule the class to run at specified times, such as after business hours, which is a requirement for this scenario.
                                      Option A is incorrect because Queueable is typically used for chaining jobs and handling asynchronous processing of individual transactions, not for processing large datasets at scheduled times.
                                      Option D is incorrect because the Database.Batchable interface is what's needed for processing large datasets, not Database.Stateful. The Database.Stateful interface is used to maintain state across batch job transactions.
                                      Salesforce Developer Documentation on Using Batch Apex: Using Batch Apex Salesforce Developer Documentation on Scheduling Apex: Scheduling Apex


                                      NEW QUESTION # 77
                                      A developer is creating a page in App Builder that will be used in the Salesforce mobile app.
                                      Which two practices should the developer follow to ensure the page operates with optimal performance?
                                      Choose 2 answers

                                      Answer: A,D

                                      Explanation:
                                      For mobile app pages in App Builder, best practices include limiting the number of heavy components like Tabs and Accordion because they can negatively impact performance due to increased client-side processing and data transfer. Also, using Performance Analysis in App Builder helps in identifying components that may slow down page performance and provides recommendations for improvements. Reference:
                                      Optimize Performance in the Salesforce Mobile App
                                      Lightning App Builder Performance Analysis


                                      NEW QUESTION # 78
                                      A company has a custom component that allows users to search for records of a certain object type by invoking an Apex Controller that returns a list of results based on the user's input. When the search is completed, a searchComplete event is fired, with the results put in a results attribute of the event. The component is designed to be used within other components and may appear on a single page more than once.
                                      What is the optimal code that should be added to fire the event when the search has completed?
                                      A)

                                      B)

                                      C)

                                      D)

                                      Answer: A

                                      Explanation:
                                      The correct code to fire the event when the search has completed in a Lightning component is option B. $A.get("e.c.searchComplete") is the syntax used to get the event, setParams is used to set the parameters, and fire is used to dispatch the event.


                                      NEW QUESTION # 79
                                      A developer wants to write a generic Apex method that will compare the Salesforce Name field between any two object records. For example, to compare the Name field of an Account and an Opportunity; or the Name of an Account and a Contact.
                                      Assuming the Name field exists, how should the developer do this?

                                      Answer: B

                                      Explanation:
                                      Casting each object to an sObject and using the get method to compare the Name fields is the correct approach. This is because sObjects are generic object representations that can be used to access the fields of any Salesforce object dynamically. Reference:
                                      sObject Class


                                      NEW QUESTION # 80
                                      Instead of waiting to send emails to support personnel directly from the finish method of a batch Apex process, Universal Containers wants to notify an external system in the event that an unhandled exception occurs.
                                      What is the appropriate publish/subscribe logic to meet this requirement?

                                      Answer: D

                                      Explanation:
                                      Use BatchApexErrorEvent for notifications. It's automatically triggered for unhandled exceptions in batch Apex. No need for manual publishing. External systems can subscribe to this event to receive notifications.


                                      NEW QUESTION # 81
                                      ......

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