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Salesforce Plat-Dev-301 Exam Syllabus Topics:

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

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                                      Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q155-Q160):

                                      NEW QUESTION # 155
                                      A company has an Apex process that makes multiple extensive database operations and web service callouts. The database processes and web services can take a long time to run and must be run sequentially.
                                      How should the developer write this Apex code without running into governor limits and system limitations?

                                      Answer: A

                                      Explanation:
                                      Queueable Apex is suitable for complex processes that require chaining jobs to run sequentially. It can handle long-running processes without hitting governor limits, as each chained job runs in a new transaction with its own set of governor limits.


                                      NEW QUESTION # 156
                                      Universal Containers is using a custom Salesforce application to manage customer support cases. The support team needs to collaborate with external partners to resolve certain cases. However, they want to control the visibility and access to the cases shared with the external partners. Which Salesforce feature can help achieve this requirement?

                                      Answer: D

                                      Explanation:
                                      Apex managed sharing is the correct feature to control the visibility and access to cases shared with external partners. It allows developers to programmatically create sharing records that grant access to users based on specific criteria, providing granular control over record sharing.


                                      NEW QUESTION # 157
                                      After a platform event is defined in a Salesforce org,events can be published via which mechanism?

                                      Answer: B

                                      Explanation:
                                      Platform events in Salesforce can be published using a variety of mechanisms, including from external applications through the Salesforce APIs.
                                      Option A is correct because external applications can use Salesforce APIs such as the REST API or the SOAP API to publish events to a platform event in Salesforce.
                                      Options B, C, and D describe mechanisms that are not used for publishing platform events. Entitlement processes are for setting up and tracking service contracts, the standard Streaming API is for subscribing to events not publishing them, and outbound messages are a workflow action used to send information to external services, not for publishing platform events.
                                      Salesforce Developer Documentation - Platform Events


                                      NEW QUESTION # 158
                                      Universal Containers (UC) has enabled the translation workbench and has translated picklist values. UC has a custom multi-select picklist field, Product__c, on the Account object that allows sales reps to specify which of UC's products an Account already has. A developer is tasked with writing an Apex method that retrieves Account records, including the Product_c field.
                                      What should the developer do to ensure the value of Products__c is in the current user's language?

                                      Answer: B

                                      Explanation:
                                      Using toLabel() in the SOQL query ensures that picklist values are returned in the user's language, which is necessary for organizations that have the translation workbench enabled.
                                      Multi-language Solutions: [Salesforce Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.soql_sosl.meta/soql_s


                                      NEW QUESTION # 159
                                      Consider the below trigger intended to assign the Account to the manager of the Account's region:

                                      Which two changes should a developer make in this trigger to adhere to best practices? Choose 2 answers A)

                                      B)

                                      C)

                                      D)

                                      Answer: A,B

                                      Explanation:
                                      The best practices for writing triggers in Salesforce include bulkifying your code to handle multiple records efficiently and reducing the number of SOQL queries, especially within loops, to avoid hitting governor limits.
                                      Option B is correct because moving the SOQL query outside of the for loop is essential to bulkify the trigger. Performing a query within a loop can cause a SOQL governor limit to be reached if the trigger is processing many records. The best practice is to collect all necessary data before the loop starts and then process it within the loop.
                                      Option C is correct as well, because using a Map to cache the results of a SOQL query by Id is another way to bulkify the code. This allows you to query all the necessary data once and then access it efficiently in memory, avoiding repeated queries.
                                      Option A is incorrect because adding isExecuting before the update doesn't address any best practices related to bulkification or SOQL query optimization.
                                      Option D is incorrect because the last line should not be removed if the developer intends to perform DML on the accountList. However, this line should be outside of the loop and is unnecessary if the trigger context is 'before insert' or 'before update', since in those contexts, changes to records in Trigger.new are implicitly saved without the need for explicit DML.
                                      Apex Developer Guide on Triggers: Triggers and Order of Execution
                                      Salesforce Developer Blog on Trigger Best Practices: Trigger Best Practices


                                      NEW QUESTION # 160
                                      ......

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