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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Modeling | 12% | - Large data volumes considerations - Advanced object relationships and data modeling - External objects and data sources |
| Topic 2: Testing, Debugging, and Deployment | 15% | - Deployment tools (SFDX, Metadata API) - Test data strategies and mocking - Debugging and performance profiling - Apex unit testing best practices |
| Topic 3: Architecture | 18% | - Governor limits and bulkification - Design patterns and Apex trigger frameworks - Apex Enterprise Patterns - Namespace and package management |
| Topic 4: Logic and Process Automation | 22% | - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Invocable Actions and Platform Events - Dynamic Apex and SOQL/SOSL - Advanced Apex programming |
| Topic 5: User Interface | 18% | - Aura Components - Lightning Web Components (LWC) advanced features - Visualforce advanced controllers - Lightning Data Service |
| Topic 6: Integration | 15% | - Platform Events and Change Data Capture - REST and SOAP web services (Apex callouts) - Named Credentials and authentication - External Services and Connect REST API |
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NEW QUESTION # 140
Which tag should a developer use to display different text while an <apex:commandButton> is Processing an action?
Answer: B
Explanation:
The <apex:actionStatus> tag in Visualforce is used to display the status of an AJAX request, such as showing different text while a command button is processing an action.
NEW QUESTION # 141
Refer to the following code snippets:
A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunities owned by the currently logged-in user.
When the component is rendered, the following message is displayed: "Error retrieving data". Which modification should be implemented to the Apex class to overcome the issue?
Answer: A
Explanation:
The @AuraEnabled(cacheable=true) attribute allows caching of method results on the client side, reducing server trips for already fetched data, which is useful for read-only data.
NEW QUESTION # 142
Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?
Answer: C
Explanation:
Creating a reusable Apex class for API integration allows for code encapsulation and maintainability. This class can then be invoked from any other Apex class that requires interaction with the API, preventing code duplication.
NEW QUESTION # 143
Refer to the exhibit
Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed. What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?
Answer: D
Explanation:
To ensure that only a part of the Visualforce page is refreshed, developers can use the reRender attribute of the <apex:commandButton> tag. This attribute specifies the IDs of the components that should be re-rendered as a result of the action method being completed. In this case, setting the reRender attribute to the ID of the <apex:pageBlockSection> that contains the opportunity list will cause only that section to be updated on the page, resulting in a partial page refresh.
The correct answer is B because it uses the reRender attribute correctly to update only the specific part of the page (opportunityList) without a full page refresh.
Salesforce Developer Documentation on Visualforce AJAX Components: Visualforce Developer Guide - CommandButton
NEW QUESTION # 144
A business currently has a process to manually upload orders from its external Order Management System (OMS) into Salesforce.
This is a labor intensive process since accounts must be exported out of Salesforce to get the IDs. The upload file must be updated with the correct account IDs to relate the orders to the corresponding accounts.
Which two recommendations should make this process more efficient?
Choose 2 answers
Answer: A,D
Explanation:
Setting unique fields on related objects as External IDs allows for the creation of relationships during imports without needing Salesforce IDs. The upsert operation in Data Loader can then use these External IDs to relate records, which streamlines the process and avoids the need to export Salesforce IDs manually.
Data Loader Guide
NEW QUESTION # 145
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