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Salesforce PDII Exam Syllabus Topics:

Section	Objectives
Integration and APIs	- External system integration 1. Named Credentials and authentication 2. Platform Events and Change Data Capture - Salesforce integration patterns 1. Callout patterns and limits 2. REST and SOAP API usage
Advanced Apex Programming	- Advanced Apex design patterns 1. Enterprise patterns (service, domain, selector layers) 2. Separation of concerns in Apex applications - Complex Apex logic implementation 1. Dynamic Apex and reflection concepts 2. Advanced exception handling strategies
Testing, Debugging, and Deployment	- Deployment and debugging 1. Debug logs and performance tuning 2. Change sets and CI/CD tools - Test-driven development 1. Writing advanced Apex test classes 2. Test data factory patterns
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

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Salesforce Platform Developer II 認定 PDII 試験問題 (Q97-Q102):

質問 # 97

Consider the above 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. Use a Map to cache the results of the Region__c query by Id.
B. Move the Region__c query to outside the loop.
C. Remove the last line updating accountList as it is not needed.
D. Use a Map accountMap instead of List accountList.

正解：A、D

質問 # 98
A company has code to update a Request and Request Lines and make a callout to their external ERP system's REST endpoint with the updated records.

What should be done to address the problem?

A. Change the CalloutUtil.makeRastCallout to an @InvocableMethed method.
B. Change the CalloutUtil.makeRestCallout to an @future method.
C. Move the CalloutUtil.makeRestCallout method call below the catch block.
D. Remove the Database.setSavepoint and Database.rollback.

正解：B

質問 # 99
How should a developer reference a third-party JavaScript library from a Lightning component?

A. From a document
B. From a third-party URL
C. From a static resource
D. From an asset file

正解：C

質問 # 100
Universal Containers has an Apex trigger on Account that creates an Account Plan record when an Account is marked as a Customer. Recently a record-triggered flow was added to update a date field. Since the addition of the flow, two Account Plan records are created. What might cause this to happen?

A. The flow is configured to use an 'Update Records' element.
B. The Apex trigger does not use a static variable to ensure it only fires once.
C. The flow is configured to evaluate when a record is created and every time it is edited.
D. The Apex trigger is not bulk safe and calls insert inside of a for loop.

正解：B

解説：
This is a classic case of trigger recursion caused by the Salesforce Order of Execution. When an Account is updated to "Customer," the following occurs:
* The original "Before" and "After" triggers run. The After trigger creates the first Account Plan.
* The Record-Triggered Flow executes and updates the "Customer Since" date field.
* Because a Flow (or Workflow) performed a field update, Salesforce re-triggers the Apex triggers on the Account object to ensure any logic dependent on that new date field is executed.
* During this second pass, the After trigger runs again and, seeing the status is still "Customer," creates a second Account Plan.
To prevent this, developers use a static variable (Option D) in a handler class to act as a "recursion guard." Static variables persist for the duration of the entire transaction. By checking this variable at the start of the trigger, the code can detect that it has already run once and skip the record creation on the second pass. Option B and C describe standard Flow behavior but are not the "fix" for the trigger logic. Option A would cause issues with limits but wouldn't necessarily cause a double-fire unless recursion was involved.

質問 # 101
A company represents their customers as Accounts that have an External ID field called Customer_Number__c. They have a custom Order (Order__c) object, with a Lookup to Account, to represent Orders that are placed in their external order management system (OMS). When an orders is fulfilled in the OMS, a REST call to Salesforce should be made that creates an Order record in Salesforce and relates it to the proper Account.
What is the optimal way to implement this?

A. Perform a REST POST to update the Order__c and specify the Account's Customer_Number__c in it.
B. Perform a REST PATCH to upsert the Order__c and specify the Account's Customer_Number__c in it.
C. Perform a REST GET on the Account and a REST POST to update the Order__c with the Account's record ID.
D. Perform a REST GET on the Account and a REST PATCH to upsert the Order__c with the Account's record ID.

正解：B

質問 # 102
......

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