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| Section | Weight | Objectives |
|---|---|---|
| Architecture | 18% | - Governor limits and bulkification - Design patterns and Apex trigger frameworks - Apex Enterprise Patterns - Namespace and package management |
| Logic and Process Automation | 22% | - Dynamic Apex and SOQL/SOSL - Advanced Apex programming - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Invocable Actions and Platform Events |
| Testing, Debugging, and Deployment | 15% | - Test data strategies and mocking - Apex unit testing best practices - Deployment tools (SFDX, Metadata API) - Debugging and performance profiling |
| Data Modeling | 12% | - External objects and data sources - Large data volumes considerations - Advanced object relationships and data modeling |
| User Interface | 18% | - Aura Components - Lightning Data Service - Lightning Web Components (LWC) advanced features - Visualforce advanced controllers |
| Integration | 15% | - Platform Events and Change Data Capture - REST and SOAP web services (Apex callouts) - Named Credentials and authentication - External Services and Connect REST API |
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問題 #44
A company uses Salesforce to sell products to customers. They also have an external product information management (PIM) system that is the system of record for products.
A developer received these requirements:
* Whenever a product is created or updated in the PIM, a product must be created or updated as a Product? record in Salesforce and a PricebookEntry record must be created or updated automatically by Salesforce.
= The PricebookEntry should be created in a Priceboek2 that is specified in a custom setting.
What should the developer use to satisfy these requirements?
答案：A
解題說明：
Custom Apex REST services are the optimal solution for integrating Salesforce with an external PIM system. When a product is created or updated in the PIM, the external system can make a REST call to a custom Apex REST endpoint in Salesforce, which then can create or update the Product2 and PricebookEntry records. This method allows using custom settings to determine the Pricebook2 dynamically.
問題 #45
When the sales team views an individual customer record, they need to see recent interactions for the customer. These interactions can be sales orders, phone calls, or Cases. The date range for recent interactions will be different for every customer record type.
How can this be accomplished?
答案：A
解題說明：
A Lightning component can dynamically query and display interactions based on the customer's record type. The component can receive the record type as a parameter and adjust the query accordingly, providing the required functionality without batch processing or additional configurations.
問題 #46
What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?
答案：B
解題說明：
For the unit test to create the controller extension, the correct setup is to instantiate a new ApexPages.StandardController with the Account record and then use it to instantiate the AccountControllerExt. This sets up the controller extension with the context of the provided Account record.
問題 #47
A developer needs to store variables to control the style and behavior of a Lightning Web Component.
Which feature can be used to ensure that the variables are testable in both Production and all Sandboxes?
答案：C
解題說明：
Custom metadata types are the best feature for storing variables that control style and behavior of a Lightning Web Component. Unlike custom settings, custom metadata is deployable and testable in both Production and all Sandboxes.
問題 #48
A developer is creating a Lightning web component that displays a list of records in a lightning-datatable. After saving a new record to the database, the list is not updating.
What should the developer change in the code above for this to happen?
答案：C
解題說明：
In Lightning Web Components (LWC), the data displayed in a component is not automatically refreshed when a new record is saved to the database. To refresh the displayed list of records in a lightning-datatable after a save operation, developers should use the refreshApex() function. This function is imported from the @salesforce/apex module and is used to refresh the cache and re-execute the Apex wire method to fetch the latest data from the server. The @track decorator is no longer necessary in most cases due to reactive properties being the default behavior in LWC as of Spring '20 release. Also, calling refreshApex() on this.data directly or creating a new tracked variable will not initiate a refresh of the cached data.
ferences:
Get Updated Data with refreshApex()
Lightning Web Components and Salesforce Data
問題 #49
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