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| Section | Weight | Objectives |
|---|---|---|
| Lightning Component Framework | 14% | - Use Lightning Data Service to perform CRUD operations - Implement inheritance using base components - Debug Lightning component issues using browser developer tools - Use component events and application events appropriately - Use @track decorator and reactive properties correctly |
| Integration | 14% | - Use REST API and SOAP API in Apex - Implement outbound messaging and callouts - Implement OAuth 2.0 authentication flows - Handle integration errors and retry logic - Use Named Credentials and External Data Sources |
| Testing and Debugging | 14% | - Use Developer Console and debugging tools - Write Apex test classes with proper coverage - Implement mock implementations for testing - Analyze debug logs and resolve issues |
| Salesforce Platform Fundamentals | 14% | - Implement sharing and access control - Understand the order of execution - Understand Salesforce architecture and Governor Limits - Use Process Builder and Flow appropriately |
| Data Modeling and Management | 14% | - Handle large data volumes with indexing and partitioning - Design complex data models with relationships - Implement custom metadata and custom settings - Use schema builder and relationship queries |
| Apex Programming | 18% | - Write and execute Apex triggers - Use asynchronous Apex (future methods, queueable, batch) - Implement best practices for trigger logic - Design and implement integration patterns - Handle exceptions and implement error handling |
| Performance | 12% | - Use caching mechanisms (Platform Cache, View State) - Implement bulkify patterns - Identify and resolve performance bottlenecks - Optimize Apex and SOQL queries |
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NEW QUESTION # 137
Code must have X% overall code coverage
Answer: C
NEW QUESTION # 138
The CalloutUtil.makeRestCallout fails with a 'You have uncommitted work pending. Please commit or rollback before calling out' error. What should be done to address the problem?
Java
public void updateAndMakeCallout(Map<Id, Request__c> regs, Map<Id, Request_Line__c> regLines) { Savepoint sp = Database.setSavepoint(); try { insert regs.values(); insert regLines.values(); HttpResponse response = CalloutUtil.makeRestCallout(regs.keySet(), regLines.keySet());
} catch (Exception e) {
Database.rollback(sp);
}
}
Answer: C
Explanation:
Salesforce has a strict rule: You cannot perform a synchronous web service callout after performing a DML operation in the same transaction. In the provided code, the insert operations (DML) occur first, creating "uncommitted work" in the database. When the code then tries to execute makeRestCallout, the platform throws the error to prevent a long-running callout from holding database locks open.
To resolve this, the callout must be moved to its own separate transaction. The most straightforward way to do this is to change the callout method to an @future(callout=true) method (Option B). When an @future method is called, the request is queued and executed in a new, independent transaction with its own governor limits. This decouples the database "work" from the external "callout." Option A is incorrect because simply moving the line doesn't change the transaction context. Option C (removing savepoints) doesn't help because the DML itself is the blocker. Option D (@InvocableMethod) is used for Flow/Process Builder and doesn't inherently solve the transaction boundary issue. Using an @future method (or a Queueable class) is the standard platform-aligned solution for this error.
NEW QUESTION # 139
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: C
NEW QUESTION # 140
The maximum view state size of a visualforce page is
Answer: B
NEW QUESTION # 141
Which tool in the Developer Console can a developer use to monitor the cardinality and the cost of a SOQL query?
Answer: C
NEW QUESTION # 142
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