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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lightning Component Framework | 14% | - Use component events and application events appropriately - Use Lightning Data Service to perform CRUD operations - Use @track decorator and reactive properties correctly - Implement inheritance using base components - Debug Lightning component issues using browser developer tools |
| Topic 2: Data Modeling and Management | 14% | - Use schema builder and relationship queries - Implement custom metadata and custom settings - Handle large data volumes with indexing and partitioning - Design complex data models with relationships |
| Topic 3: Performance | 12% | - Optimize Apex and SOQL queries - Use caching mechanisms (Platform Cache, View State) - Identify and resolve performance bottlenecks - Implement bulkify patterns |
| Topic 4: Apex Programming | 18% | - Write and execute Apex triggers - Implement best practices for trigger logic - Use asynchronous Apex (future methods, queueable, batch) - Design and implement integration patterns - Handle exceptions and implement error handling |
| Topic 5: Testing and Debugging | 14% | - Analyze debug logs and resolve issues - Use Developer Console and debugging tools - Write Apex test classes with proper coverage - Implement mock implementations for testing |
| Topic 6: Integration | 14% | - Use Named Credentials and External Data Sources - Implement outbound messaging and callouts - Use REST API and SOAP API in Apex - Handle integration errors and retry logic - Implement OAuth 2.0 authentication flows |
| Topic 7: 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 |
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NEW QUESTION # 56
A developer needs to add code to a Lightning web component's configuration file so the component only renders for a desktop size form factor when on a record page. What should the developer add to the component's record page target configuration to meet this requirement?
Answer: D
Explanation:
In a Lightning Web Component's configuration file (.js-meta.xml), the <supportedFormFactors> tag allows the developer to specify which device form factors the component supports. To restrict the component to only render on desktop devices, the developer must specify the type="Large".
The structure is:
XML
<targetConfigs>
<targetConfig targets="lightning__RecordPage">
<supportedFormFactors>
<supportedFormFactor type="Large"/>
</supportedFormFactors>
</targetConfig>
</targetConfigs>
If supportedFormFactors is not specified, the component defaults to supporting both Small (phone) and Large (desktop) form factors. Options B, C, and D are incorrect syntax for defining form factor support in LWC metadata.
NEW QUESTION # 57
Which Salesforce feature allows a developer to see when a user last logged in to Salesforce if real-time notification is not required?
Answer: B
Explanation:
The Event Monitoring Log is the best feature to use to see when a user last logged in to Salesforce if real-time notification is not required. The Event Monitoring Log provides detailed information about various events that occur in the org, such as logins, API calls, report exports, etc. The developer can query the LoginEvent object to get the timestamp, username, and other details of the login events. The Calendar Events, Asynchronous Data Capture Events, and Developer Log are not relevant for this scenario, as they do not capture the login information of the users. Reference: [Event Monitoring], [LoginEvent]
NEW QUESTION # 58
A developer has a requirement to query three fields (Id, Name, Type) from an Account; and first and last names for all Contacts associated with the Account.
Which option is the preferred, optimized method to achieve this for the Account named 'Ozone Electronics'?
Answer: A
Explanation:
The preferred, optimized method to achieve this for the Account named 'Ozone Electronics' is Option C. This option uses the SOQL query SELECT Id, Name, Type, (SELECT FirstName, LastName FROM Contacts) FROM Account WHERE Name = 'Ozone Electronics' LIMIT 1. This query uses the nested query syntax to query the related Contacts for the Account, and the WHERE clause to filter the Account by the Name field. The query also uses the LIMIT clause to return only one record, which improves the performance and avoids hitting the query row limit. Option A is incorrect, as it uses the JOIN syntax, which is not supported by SOQL. Option B is incorrect, as it uses the SELECT * syntax, which is not supported by SOQL. Option D is incorrect, as it uses two separate queries, which is less efficient and consumes more query resources than a single query. Reference: [SOQL SELECT Syntax], [SOQL Relationships], [SOQL and SOSL Reference]
NEW QUESTION # 59
Which statement is considered a best practice for writing bulk safe Apex triggers?
Answer: B
Explanation:
Bulk-safe triggers use collections to aggregate DML operations. This practice minimizes the number of DML statements, which is essential for bulk processing.References: Apex Developer Guide - Bulk Trigger Best Practices
NEW QUESTION # 60
Salesforce users consistently receive a "Maximum trigger depth exceeded" error when saving an Account. How can a developer fix this error?
Answer: B
Explanation:
A "Maximum trigger depth exceeded" error occurs when a trigger invokes itself recursively, either directly or indirectly, and exceeds the maximum stack depth. To fix this error, you can use a helper class to set a Boolean flag to TRUE the first time a trigger is fired, and then modify the trigger to only fire when the Boolean flag is FALSE. This way, you can prevent the trigger from running more than once for the same record. Splitting the trigger logic into two separate triggers does not solve the problem, as the triggers may still invoke each other recursively. Converting the trigger to use the @future annotation does not guarantee that the error will not occur, as the future method may still invoke the trigger again. The @MultiThread=true annotation does not exist in Apex. Reference: [Trigger Frameworks and Apex Trigger Best Practices], [@future Annotation]
NEW QUESTION # 61
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