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Salesforce PDII Exam Syllabus Topics:

SectionObjectives
Topic 1: Advanced Apex Programming- Complex Apex logic implementation
  • 1. Advanced exception handling strategies
    • 2. Dynamic Apex and reflection concepts
      - Advanced Apex design patterns
      • 1. Separation of concerns in Apex applications
        • 2. Enterprise patterns (service, domain, selector layers)
          Topic 2: Asynchronous Apex- Scheduled and future methods
          • 1. Use cases for @future methods
            • 2. Scheduling Apex jobs
              - Batch Apex and Queueable Apex
              • 1. Batch processing strategies and governor limits
                • 2. Chaining Queueable jobs
                  Topic 3: Integration and APIs- Salesforce integration patterns
                  • 1. Callout patterns and limits
                    • 2. REST and SOAP API usage
                      - External system integration
                      • 1. Platform Events and Change Data Capture
                        • 2. Named Credentials and authentication
                          Topic 4: Testing, Debugging, and Deployment- Test-driven development
                          • 1. Test data factory patterns
                            • 2. Writing advanced Apex test classes
                              - Deployment and debugging
                              • 1. Debug logs and performance tuning
                                • 2. Change sets and CI/CD tools

                                  >> PDII퍼펙트 덤프 샘플문제 다운 <<

                                  PDII퍼펙트 덤프 샘플문제 다운 시험준비에 가장 좋은 인기덤프자료

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                                  최신 Salesforce Developers PDII 무료샘플문제 (Q25-Q30):

                                  질문 # 25
                                  A developer is writing code that requires making callouts to an external web service.
                                  Which scenario necessitates that the callout be made in an asynchronous method?

                                  정답：C

                                  설명：
                                  The scenario that necessitates that the callout be made in an asynchronous method is when the callouts will be made in an Apex trigger. An Apex trigger is a piece of Apex code that executes before or after specific data manipulation language (DML) events occur, such as inserting, updating, or deleting records. A callout is a request that is sent from Apex code to an external web service. Apex does not allow callouts to be made from triggers, as triggers are synchronous and run in the same transaction as the DML operation. Callouts are asynchronous and may take a long time to complete, which can cause the transaction to exceed the governor limits or lock the database resources. Therefore, the developer must use an asynchronous method, such as a future method, a queueable class, or a batch class, to make the callout from the trigger. An asynchronous method runs in a separate thread and does not block the execution of the trigger or the DML operation. Reference: [Apex Triggers], [Apex Web Services and Callouts], [Asynchronous Apex]


                                  질문 # 26
                                  What level can a hierarchy custom setting be defined for? Choose 3 answers

                                  정답：A,D,E


                                  질문 # 27
                                  A developer created and tested a Visualforce page in their developer sandbox, but now receives reports that users encounter "View State" errors when using it in production. What should the developer ensure to correct these errors?

                                  정답：D

                                  설명：
                                  The Visualforce View State is a hidden form field that maintains the state of the page (including controller variables) between server requests. 9Salesforce imposes a strict 135KB limit on the View State. When a page handles large amounts of 10data-such as large lists of records or complex objects-the serialized size of the controller variables can easily exceed this limit, resulting in a runtime error for the user.
                                  To correct these errors, the developer should use the transient keyword (Option C). Marking a variable as transient prevents it from being serialized into the View State. This is the standard best practice for any data that does not need to be maintained across "postbacks" (actions that refresh the page or part of the page).
                                  Common candidates for the transient keyword include:
                                  * Large lists of records retrieved for display only.
                                  * Temporary variables used for calculations during a single request.
                                  * Summary data that can be easily re-queried if needed.
                                  Option A relates to security, not performance. Option B (private variables) does not exclude variables from the View State; only static and transient variables are excluded. Option D relates to SOQL governor limits, which are independent of the View State size. By judiciously using transient, the developer keeps the page weight low and ensures a smooth user experience in production environments with real-world data volumes.


                                  질문 # 28
                                  Consider the following code snippet:

                                  The Apex method is executed in an environment with a large data volume count for Accounts, and the query is performing poorly.
                                  Which technique should the developer implement to ensure the query performs optimally, while preserving the entire result set?

                                  정답：A

                                  설명：
                                  The technique that the developer should implement to ensure the query performs optimally, while preserving the entire result set, is to break down the query into two individual queries and join the two result sets. This is because the query in the code snippet is using a complex filter condition that combines the CreatedDate and RecordType fields, which are not indexed by default. This means that the query will perform a full table scan on the Account object, which can be very slow and inefficient when the data volume is large. To avoid this, the developer can split the query into two queries, one that filters by the CreatedDate field and another that filters by the RecordType field. Then, the developer can use a Set or a Map to store the Ids of the Accounts that match both criteria, and use the Set or the Map to retrieve the Account records from the database. This way, the query will use the standard indexes on the Id, CreatedDate, and RecordType fields, and perform faster and more efficiently.


                                  질문 # 29
                                  What is the transaction limit on the max execution time?

                                  정답：C


                                  질문 # 30
                                  ......

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