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| Section | Weight | Objectives |
|---|---|---|
| Logic, Process Automation, and Integration | 27% | - Complex business logic and automation design - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - REST/SOAP API, Platform Events, and external integrations |
| Advanced Developer Fundamentals | 15% | - Work with localization, multi-currency, and global features - Design and maintain scalable, reusable code - Apply security best practices in development |
| User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality - Optimize UI performance and usability |
| Performance and Data Management | 18% | - Optimize queries and handle large data volumes - Governor limits optimization and best practices - Data modeling and complex data operations |
| Testing, Debugging, and Deployment | 20% | - Deployment strategies, CI/CD, and change management - Advanced testing strategies and test frameworks - Debugging and error handling across layers |
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NEW QUESTION # 191
An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called 'Is Primary' to control this feature.
The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters.
What is the optimal way to implement these requirements?
Answer: B
Explanation:
A single trigger on Contact that handles both after update and before update events, utilizing helper classes for each logic set, is the most optimal implementation. It centralizes the logic for maintaining primary contacts and normalizing last names while allowing for clear separation of concerns through helper classes.
NEW QUESTION # 192
A developer is inserting, updating, and deleting multiple lists of records in a single transaction and wants to ensure that any error prevents all execution.
How should the developer implement error exception handling in their code to handle this?
Answer: C
Explanation:
Using Database.setSavepoint() and Database.rollback() within a try-catch statement is the recommended approach for handling transactions that involve multiple DML operations. This allows the developer to roll back all changes if an error occurs, ensuring that partial changes are not committed to the database.
NEW QUESTION # 193
Refer to the test method below:
The test method tests an Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers. The test method fails at the Line 20 because of too many SOQL queries. What is the correct way to fix this? A)
B)
C)
D)
Answer: D
Explanation:
The correct way to fix this is to add Test.startTest() before and add Test.stopTest() after Line 18 of the code. This will reset the governor limits for the code that executes between these two methods, and allow the test to run without hitting the SOQL query limit.The Test.startTest() and Test.stopTest() methods are used to test code that makes a lot of queries or calls asynchronous methods12. By using these methods, the developer can isolate the code that needs more resources and verify that it does not exceed the governor limits.
:
Using Limits, startTest, and stopTest | Apex Developer Guide | Salesforce Developers Test.StartTest & Test.StopTest - Salesforce Developer Community Why would a developer use test startTest and test stopTest in Salesforce? | ForceTalks
NEW QUESTION # 194
An Apex class does not achieve expected code coverage. The testsetup method explicitly calls a method In the Apex class..
How can the developer generate the code coverage?
Answer: D
Explanation:
When an Apex class does not achieve the expected code coverage, it suggests that the test methods are not executing parts of the class. The @testvisible annotation can be used to increase code coverage by allowing test methods to access private or protected members of another class. This enables the test method to call methods that may not be directly accessible, but it is not a direct means to generate code coverage. The code coverage is actually achieved when the test methods execute the code within these methods. Therefore, to properly generate code coverage, the developer must ensure that the test methods call the relevant portions of the code that need to be covered. The use of @testvisible can facilitate this process by making otherwise inaccessible code available for testing.
Apex Developer Guide - Testing Best Practices
Apex Developer Guide - @testVisible Annotation
NEW QUESTION # 195
Refer to the following code snippet:
A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers
Answer: B,C,D
Explanation:
The Apex class needs to have the method annotated with @AuraEnabled to expose it to the LWC. The 'with sharing' keyword ensures that the data access is enforced according to the user's permissions. @AuraEnabled(cacheable=true) allows client-side caching for improved performance.
@AuraEnabled Annotation: Apex Developer Guide
Enforcing Sharing Rules: Apex Developer Guide
NEW QUESTION # 196
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