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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lightning Component Framework | 14% | - Use component events and application events appropriately - Use @track decorator and reactive properties correctly - Use Lightning Data Service to perform CRUD operations - Debug Lightning component issues using browser developer tools - Implement inheritance using base components |
| Topic 2: Data Modeling and Management | 14% | - Handle large data volumes with indexing and partitioning - Use schema builder and relationship queries - Implement custom metadata and custom settings - Design complex data models with relationships |
| Topic 3: Testing and Debugging | 14% | - Analyze debug logs and resolve issues - Write Apex test classes with proper coverage - Use Developer Console and debugging tools - Implement mock implementations for testing |
| Topic 4: Apex Programming | 18% | - Design and implement integration patterns - Use asynchronous Apex (future methods, queueable, batch) - Implement best practices for trigger logic - Write and execute Apex triggers - Handle exceptions and implement error handling |
| Topic 5: Integration | 14% | - Use Named Credentials and External Data Sources - Use REST API and SOAP API in Apex - Handle integration errors and retry logic - Implement outbound messaging and callouts - Implement OAuth 2.0 authentication flows |
| Topic 6: Performance | 12% | - Implement bulkify patterns - Identify and resolve performance bottlenecks - Use caching mechanisms (Platform Cache, View State) - Optimize Apex and SOQL queries |
| Topic 7: Salesforce Platform Fundamentals | 14% | - Use Process Builder and Flow appropriately - Understand Salesforce architecture and Governor Limits - Understand the order of execution - Implement sharing and access control |
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NEW QUESTION # 147
When should you use the "transient" property on variables?
Answer: B
NEW QUESTION # 148 
What can be done to improve the performance of the insert trigger shown above?
Answer: C
NEW QUESTION # 149
A company needs to automatically delete sensitive information after seven years. This could delete almost a million records every day. How can this be achieved?
Answer: D
Explanation:
When dealing with large-scale data maintenance, such as deleting a million records daily, Batch Apex is the most robust and scalable solution provided by the Salesforce platform. Batch Apex is specifically designed for processing high volumes of records by breaking the total record set into manageable "batches" (defaulting to
200 records per batch). This prevents the transaction from hitting platform governor limits, such as the limit on the total number of DML statements or the maximum number of records processed in a single transaction.
By scheduling a Batch class, the system handles the heavy lifting asynchronously, ensuring that org performance is not negatively impacted during peak hours.
Other options are unsuitable for this scale. Using @future methods for recursive processing is a poor practice because Salesforce prohibits calling a future method from another future method, and it is difficult to monitor or manage the execution flow. Aggregate functions and AggregateResult o1bjects are used for calculations and data grouping, not for DML operations like deletion. Similarly, SOSL is optimized for text-based searching across multiple objects and returns a limited number of results, making it inappropriate for an exhaustive cleanup of a million records. Batch Apex allows for the use of a QueryLocator, which can handle up to 50 million records, providing the necessary throughput for this high-volume requirement.
NEW QUESTION # 150
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: C
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.
References:
Apex Developer Guide
NEW QUESTION # 151
A Salesforce developer is hired by a multi-national company to build a custom Lightning application that shows employees their employment benefits and earned commissions over time. The application must acknowledge and respect the user's locale context for dates, times, numbers, currency, and currency symbols.
When using Aura components, which approach should the developer implement to ensure the Lightning application complies with the user's locale?3
Answer: B
Explanation:
12
In the Aura Component Framework, the $Locale global value provider (Opt13ion C) is specifically designed to handle globalization and localization. It provides direct access to the current user's locale preferences, including date and time formats, number grouping symbols, and currency symbols. Instead of manually querying the User object or creating custom settings, a developer can use expressions like {!$Locale.
currencySymbol} or {!$Locale.dateFormat} directly in the component's markup or controller.
Using $Locale ensures that the application remains dynamic; if an employee moves from a US office to a European office and updates their Salesforce profile locale, the application will automatically reflect the new formatting rules without any code changes. This is more efficient than using $User (Option A), which would require additional logic to map locale strings to specific formats. $Label (Option D) is used for translated text strings, not formatting patterns. By leveraging the native $Locale provider, the developer ensures that the commission and benefit data are presented in a familiar, accurate context for every employee worldwide.
NEW QUESTION # 152
......
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