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| Section | Weight | Objectives |
|---|---|---|
| Logic and Process Automation | 22% | - Advanced Apex programming - Dynamic Apex and SOQL/SOSL - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Invocable Actions and Platform Events |
| Architecture | 18% | - Namespace and package management - Governor limits and bulkification - Design patterns and Apex trigger frameworks - Apex Enterprise Patterns |
| Data Modeling | 12% | - Advanced object relationships and data modeling - External objects and data sources - Large data volumes considerations |
| Integration | 15% | - Named Credentials and authentication - External Services and Connect REST API - Platform Events and Change Data Capture - REST and SOAP web services (Apex callouts) |
| User Interface | 18% | - Aura Components - Visualforce advanced controllers - Lightning Data Service - Lightning Web Components (LWC) advanced features |
| Testing, Debugging, and Deployment | 15% | - Deployment tools (SFDX, Metadata API) - Debugging and performance profiling - Test data strategies and mocking - Apex unit testing best practices |
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81. Frage
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?
Antwort: A
Begründung:
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
82. Frage
Given a list of Opportunity records named opportunityList, which code snippet is best for querying all Contacts of the Opportunity's Account?
A)
B)
C)
D)
Antwort: D
83. Frage
Universal Containers uses Salesforce to track orders in an order__c object.
The order = object has private organization-wide defaults. The order = object has a custom field, Quality_Controller_c, that is a Lookup to User and is used to indicate that the specified User is performing quality control on the order_ co.
What should be used to automatically give read only access to the User set in the Quality_Controller field?
Antwort: D
Begründung:
Apex managed sharing provides a programmatic way to share records when the organization-wide default for an object is Private. The Quality_Controller__c field can be used within a trigger or class to share records with the specified user using Apex managed sharing.
84. Frage
Consider the following code snippet:
The Apex method is executed in an environment with a large data volume count for Accounts, and the query is performing poorly. Which technique should the developer implement to ensure the query performs optimally, while preserving the entire result set?
Antwort: D
Begründung:
When dealing with large data volumes in Salesforce and ensuring optimal performance for queries, it's important to choose an approach that both handles the data volume efficiently and retrieves the complete result set.
Option D is correct because using the Database.QueryLocator method is a best practice for handling large data volumes. It is typically used with batch Apex, which can process records in batches, thus reducing the likelihood of hitting governor limits. It's designed to handle very large data sets that would otherwise exceed normal SOQL query limits.
Option A is incorrect because creating a formula field doesn't improve the performance of the query. It simply creates a new field that combines existing data, but it does not inherently optimize the query execution.
Option B is incorrect because breaking down the query into two parts and joining them in Apex could potentially be less efficient and would require additional code to manage the combined result sets. This approach does not leverage the built-in Salesforce features designed to handle large data volumes.
Option C is incorrect because the @Future annotation makes the method execute asynchronously, but it does not help with query performance or large data volume management.
s:
Salesforce Documentation on Working with Very Large SOQL Queries: Working with Very Large SOQL Queries Salesforce Documentation on Using Batch Apex: Using Batch Apex
85. Frage
A developer is developing a reusable Aura component that will reside on an sObject Lightning page with the following HTML snippet:
How can the component"5 controller get the context of the Lightning page that the sObject is on without requiring additional test coverage?
Antwort: A
Begründung:
By implementing force:hasSobjectName, the Aura component can retrieve the sObject context of the record page it is placed on without needing additional information. This interface provides the component with the API name of the sObject being displayed.
Aura Components Developer Guide
86. Frage
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