Plat-Dev-301유효한시험덤프, Plat-Dev-301인기자격증덤프자료

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

SectionObjectives
Application Development- Asynchronous processing
  • 1. Scheduled Apex
    • 2. Batch Apex and Queueable Apex
      • 3. Future methods and limits considerations
        - Advanced Apex programming
        • 1. Dynamic Apex and metadata-driven development
          • 2. Apex design patterns and best practices
            • 3. Exception handling and debugging strategies
              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
                      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
                              Data Modeling and Management- Data access and security
                              • 1. Security enforcement in Apex
                                • 2. Sharing rules and Apex-managed sharing
                                  - Advanced data modeling
                                  • 1. Complex relationships and schema design
                                    • 2. Large data volume considerations

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                                      최신 Salesforce Developer Plat-Dev-301 무료샘플문제 (Q162-Q167):

                                      질문 # 162
                                      A company wants to run different logic based on an Opportunity's record type.
                                      Which code segment handles this request and follows best practices?
                                      A)

                                      B)

                                      C)

                                      D)

                                      정답：B

                                      설명：
                                      The use of getRecordTypeInfosByDeveloperName is a best practice to handle record types. This approach avoids the need for SOQL queries, reducing the number of governor limits consumed, and efficiently retrieves record type Ids by their DeveloperName, which is consistent across all Salesforce environments.


                                      질문 # 163
                                      A developer is asked to look into an issue where a scheduled Apex is running into DML limits. Upon investigation, the developer finds that the number of records processed by the scheduled Apex has recently increased to more than 10,000.
                                      What should the developer do to eliminate the limit exception error?

                                      정답：C

                                      설명：
                                      When scheduled Apex runs into DML limits due to a high number of records, implementing the Batchable interface is recommended. This allows the job to be broken down into smaller batches that are processed separately, thus avoiding hitting governor limits. Reference:
                                      Using Batch Apex


                                      질문 # 164
                                      A developer is creating a Lightning web component to display a calendar. The component will be used in multiple countries. In some locales, the first day of the week is a Monday, or a Saturday, or a Sunday. 'What should the developer do to ensure the calendar displays accurately for users in every locale?

                                      정답：D

                                      설명：
                                      Use the @salesforce/i18n module with the firstDayOfWeek property. It provides locale-aware functionality essential for internationalization.


                                      질문 # 165
                                      A developer needs to add code to a Lightning web component's configuration file so the component only renders for a desktop size form factor when on a record page.
                                      What should the developer add to the component's record page target configuration to meet this requirement?
                                      A)
                                      B)

                                      C)

                                      D)

                                      정답：C

                                      설명：
                                      When you want a Lightning web component to only render for a specific form factor, you can use the <targets> tag within the component's .xml configuration file. To specify that the component should only appear on a desktop, you use the <targetConfig> tag with the targets="lightning__RecordPage" attribute and nest a <supportedFormFactors> tag inside it. Within this tag, you include a <supportedFormFactor> tag with the attribute type="Large".
                                      Option B is the correct markup to ensure that the component only appears for the desktop form factor on a record page.
                                      Lightning Web Components Developer Guide - Configure Components for Lightning Experience and the Salesforce Mobile App


                                      질문 # 166
                                      Assuming the CreateOneAccount class creates one account and implements the Queueable interface, which syntax properly tests the Apex code?
                                      A)

                                      B)

                                      C)

                                      D)

                                      정답：C

                                      설명：
                                      To test Queueable Apex, Test.startTest() and Test.stopTest() should be used to ensure the asynchronous code is executed before assertions are made. After calling Test.stopTest(), you would then query for the records to assert that the queueable job correctly created the Account records.


                                      질문 # 167
                                      ......

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