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| Section | Weight | Objectives |
|---|---|---|
| Logic and Process Automation | 22% | - Invocable Actions and Platform Events - Advanced Apex programming - Dynamic Apex and SOQL/SOSL - Asynchronous Apex (Batch, Queueable, Future, Scheduled) |
| Data Modeling | 12% | - External objects and data sources - Large data volumes considerations - Advanced object relationships and data modeling |
| User Interface | 18% | - Visualforce advanced controllers - Lightning Web Components (LWC) advanced features - Lightning Data Service - Aura Components |
| Testing, Debugging, and Deployment | 15% | - Test data strategies and mocking - Deployment tools (SFDX, Metadata API) - Debugging and performance profiling - Apex unit testing best practices |
| Architecture | 18% | - Namespace and package management - Governor limits and bulkification - Apex Enterprise Patterns - Design patterns and Apex trigger frameworks |
| Integration | 15% | - Named Credentials and authentication - REST and SOAP web services (Apex callouts) - Platform Events and Change Data Capture - External Services and Connect REST API |
>> New Plat-Dev-301 Test Objectives <<
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NEW QUESTION # 97
Business rules require a Contact ta always be created when a new Account is created.
What can be used when developing a custom screen to ensure an Account is not created if the creation of the Contact fails?
Answer: B
Explanation:
When developing a custom screen that requires both an Account and Contact to be created together, using setSavepoint() and rollback() within a try-catch block is a reliable way to ensure that if the Contact creation fails, the Account creation is also rolled back, maintaining data integrity.
NEW QUESTION # 98
Universal Containers stores user preferences in a Hierarchy Custom Setting, User_Prefs_c, with a Checkbox field, Show_Help_c. Company-level defaults are stored at the organizational level, but may be overridden at the user level. If a user has not overridden preferences, then the defaults should be used.
How should the Show_Help_c preference be retrieved for the current user?
Answer: A
Explanation:
To retrieve the Show_Help__c preference for the current user from a hierarchy custom setting, the getInstance() method should be used. This method retrieves the custom setting data for the user or the organization default if no user-specific setting is found.
NEW QUESTION # 99
A developer is debugging an Apex-based order creation process that has a requirement to have three savepoints, SP1, SP2, and 5P3 {created in order), before the final execution of the process.
During the final execution process, the developer has a routine to roll back to SP1 for a given condition. Once the condition is fixed, the code then calls 2 roll back to SP3 to continue with final execution. However, when the roll back to SP3 is called, a Funtime error occurs.
Why does the developer receive a runtime error?
Answer: B
Explanation:
Savepoints in Apex are markers within a transaction and rolling back to an earlier savepoint (SP1) invalidates any savepoints created after it. Thus, SP3 is invalidated when the code rolls back to SP1, causing a runtime error when a rollback to SP3 is attempted.
NEW QUESTION # 100
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: A
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 # 101
A developer created the following test method:
The developer org has five accounts where the name starts with "Test". The developer executes this test in the Developer Console. After the test code runs, which statement is true?
Answer: A
Explanation:
Since the SeeAllData=true annotation is used, the test class does not have its own test data and is relying on the data in the org. The org already has accounts with the name starting with "Test", so the assertion that no accounts should exist after the deletion will fail because the test method only deletes the account that was created within its scope.
Apex Developer Guide
NEW QUESTION # 102
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