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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Apex Programming | 18% | - Use asynchronous Apex (future methods, queueable, batch) - Implement best practices for trigger logic - Handle exceptions and implement error handling - Write and execute Apex triggers - Design and implement integration patterns |
| Topic 2: Performance | 12% | - Optimize Apex and SOQL queries - Implement bulkify patterns - Identify and resolve performance bottlenecks - Use caching mechanisms (Platform Cache, View State) |
| Topic 3: Integration | 14% | - Implement outbound messaging and callouts - Implement OAuth 2.0 authentication flows - Handle integration errors and retry logic - Use REST API and SOAP API in Apex - Use Named Credentials and External Data Sources |
| Topic 4: Testing and Debugging | 14% | - Write Apex test classes with proper coverage - Use Developer Console and debugging tools - Analyze debug logs and resolve issues - Implement mock implementations for testing |
| Topic 5: Salesforce Platform Fundamentals | 14% | - Understand Salesforce architecture and Governor Limits - Use Process Builder and Flow appropriately - Implement sharing and access control - Understand the order of execution |
| Topic 6: Data Modeling and Management | 14% | - Handle large data volumes with indexing and partitioning - Implement custom metadata and custom settings - Use schema builder and relationship queries - Design complex data models with relationships |
| Topic 7: Lightning Component Framework | 14% | - Implement inheritance using base components - Debug Lightning component issues using browser developer tools - Use Lightning Data Service to perform CRUD operations - Use @track decorator and reactive properties correctly - Use component events and application events appropriately |
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NEW QUESTION # 42
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?
Answer: C
Explanation:
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.
References: Salesforce Help - Custom Metadata Types Overview
NEW QUESTION # 43
@isTest
static void testIncrement() {
Account acct = new Account(Name = 'Test');
acct.Number_Of_Times_Viewed__c = 0;
insert acct;
AuditUtil.incrementViewed(acct.Id);
Account acctAfter = [SELECT Number_Of_Times_Viewed__c FROM Account WHERE Id
:acct.Id][0]
System.assertEquals(1, acctAfter.Number_Of_Times_Viewed__c);
}
The test method above calls an @future method that increments the Number_of_Times_Viewed__c value. The assertion is failing because the Number_of_Times_Viewed__c equals 0.
What is the optimal way to fix this?
Answer: D
NEW QUESTION # 44
Which statement should be used to allow some of the records in a list of records to be inserted if others fail to be inserted?
Answer: C
NEW QUESTION # 45
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: A
NEW QUESTION # 46
The use of the transient keyword in Visualforce page controllers helps with which common performance issue?
Answer: C
Explanation:
The transient keyword is a keyword that can be used to declare instance variables that are not part of the view state of a Visualforce page. The view state is the state of the page that is persisted on the server and transferred to the client. The view state can affect the performance and user experience of the page, as it can increase the page load time, the response time, and the bandwidth consumption. By using the transient keyword, the developer can mark the variables that are not needed for rendering the page or maintaining the state, such as temporary variables, constants, or cached data. This way, the developer can reduce the size of the view state and improve the performance of the page. Reference: [transient Keyword], [View State]
NEW QUESTION # 47
......
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