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| Section | Weight | Objectives |
|---|---|---|
| Lightning Component Framework | 14% | - Use @track decorator and reactive properties correctly - Implement inheritance using base components - Use component events and application events appropriately - Debug Lightning component issues using browser developer tools - Use Lightning Data Service to perform CRUD operations |
| Testing and Debugging | 14% | - Use Developer Console and debugging tools - Analyze debug logs and resolve issues - Write Apex test classes with proper coverage - Implement mock implementations for testing |
| Integration | 14% | - Implement OAuth 2.0 authentication flows - Use REST API and SOAP API in Apex - Handle integration errors and retry logic - Use Named Credentials and External Data Sources - Implement outbound messaging and callouts |
| Salesforce Platform Fundamentals | 14% | - Use Process Builder and Flow appropriately - Understand Salesforce architecture and Governor Limits - Implement sharing and access control - Understand the order of execution |
| Apex Programming | 18% | - Use asynchronous Apex (future methods, queueable, batch) - Implement best practices for trigger logic - Write and execute Apex triggers - Handle exceptions and implement error handling - Design and implement integration patterns |
| Data Modeling and Management | 14% | - Design complex data models with relationships - Handle large data volumes with indexing and partitioning - Use schema builder and relationship queries - Implement custom metadata and custom settings |
| Performance | 12% | - Optimize Apex and SOQL queries - Implement bulkify patterns - Identify and resolve performance bottlenecks - Use caching mechanisms (Platform Cache, View State) |
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NEW QUESTION # 53
Given a list of Opportunity records named opportunityList, which code snippet is best for querying all Contacts of the Opportunity's Account?
Answer: D
Explanation:
The best code snippet for querying all Contacts of the Opportunity's Account is Option A. This option uses the nested query syntax to query the related Contacts for each Opportunity, and the IN clause to filter the Opportunities by the Ids in the opportunityList. The option also uses the FOR loop to iterate over the query results and process the Contacts. Option B is incorrect, as it uses the JOIN syntax, which is not supported by SOQL. Option C is incorrect, as it uses two separate queries, which is less efficient and consumes more query resources than a single query. Option D is incorrect, as it uses the SELECT * syntax, which is not supported by SOQL. Reference: [SOQL SELECT Syntax], [SOQL Relationships], [SOQL and SOSL Reference]
NEW QUESTION # 54
A developer wrote a test class that successfully asserts a trigger on Account, It fires and updates data correctly In a sandbox environment.
A Salesforce admin with a custom profile attempts to deploy this trigger via a change set into the production environment, but the test class falls with an Insufficient privileges error.
What should a developer do to fix the problem?
Answer: A
Explanation:
When a test class fails with an "Insufficient privileges" error during deployment, it indicates that the user profile under which the tests are being executed doesn't have the necessary permissions to perform the actions required by the test. In a sandbox, the test might have been running with a different set of permissions compared to the production environment.
By using System.runAs(), you can specify a user context in which the test should run, which allows you to simulate the appropriate permissions. For this to work, you need to create a User instance in your test class with the profile that has the necessary permissions and then enclose the logic of your test within a System.runAs() block with this user.
This is a preferred solution over seeAllData=true, which would give the test access to all data in the production environment, potentially leading to tests that are not isolated and thus less reliable. It's also preferred over changing organization-wide settings or relying on specific setup in test classes, such as making sure Test.startTest() is not inside a loop.
References:
Salesforce Documentation on Using the runAs Method: Testing with the runAs Method Salesforce Help Article on System Permissions: Profiles and Permissions
NEW QUESTION # 55
A developer gets an error saying 'Maximum Trigger Depth Exceeded'.
What is a possible reason to get this error message?
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION # 56
A developer has generated Apex code from a WSDL for an external web service. The web service requires Basic authentication.
What code should the developer use to authenticate?
Answer: A
NEW QUESTION # 57
A developer wrote a trigger on Opportunity that will update a custom Last Sold Date field on the Opportunity's Account whenever an Opportunity is closed. In the test class for the trigger, the assertion to validate the Last Sold Date field fails.
What might be causing the failed assertion?
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION # 58
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