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| Section | Weight | Objectives |
|---|---|---|
| User Interface Development | 15% | - Component communication and reusability - Visualforce advanced features - Lightning Web Components development - Aura Components advanced usage |
| Testing, Debugging and Deployment | 18% | - Deployment strategies and tools - Debugging and error handling - Continuous integration and delivery - Advanced testing techniques |
| Business Logic and Process Automation | 25% | - Custom metadata and settings - Asynchronous processing (Batch, Queueable, Future) - Governor limits and performance optimization - Advanced triggers and Apex logic |
| Advanced Developer Fundamentals | 15% | - Localization and internationalization - Advanced Apex coding best practices - Sharing and security model implementation - System classes and utility methods |
| Data Modeling and Management | 12% | - Data validation and consistency - Large data volume handling - SOQL and SOSL optimization - Complex data modeling |
| Integration and Web Services | 15% | - REST and SOAP integrations - Data integration patterns - API usage and limits - External objects and data sources |
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25. Frage
What is the transaction limit on the number of Apex jobs added to the queue?
Antwort: C
26. Frage
A developer created a Lightning web component for the Account record page that displays the five most recently contacted Contacts for an Account. The Apex method, getRecentContacts, returns a list of Contacts and will be wired to a property in the component.
Java
01:
02: public class ContactFetcher {
03:
04: static List<Contact> getRecentContacts(Id accountId) {
05: List<Contact> contacts = getFiveMostRecent(accountId);
06: return contacts;
07: }
08: private static List<Contact> getFiveMostRecent(Id accountId) {
10: //...implementation...
11: }
12: }
Which two lines must change in the above cod39e to make the Apex method able to be wired?
Antwort: A,D
Begründung:
To expose an Apex method to a Lightning Web Component (LWC) and specifically use the @wire service, the method must meet two strict criteria: it must be public or global, and it must be annotated with
@AuraEnabled(cacheable=true).
In the provided snippet, line 04 defines the method as static but lacks an access modifier. In Apex, the default access modifier is private, which prevents the LWC framework from accessing the method. Changing line 04 to public static List<Contact> (Option A) makes the method visible to the component.
Additionally, the @wire service requires the method to be "cacheable" to optimize performance by storing results on the client-side. This is achieved by adding the @AuraEnabled(cacheable=true) annotation. Placing this on line 03 (Option D) ensures the method is registered with the Lightning Data Service as an invokable, cacheable action. Modifying line 08 (Option B) is incorrect because that is a private helper method that the component does not call directly. By making the primary method public and cacheable, the LWC can successfully bind its property to the data returned by the Apex controller.
27. Frage
A company has code to update a Request and Request Lines and make a callout to their external ERP system's REST endpoint with the updated records.
What should be done to address the problem?
Antwort: D
28. Frage
Universal Containers is leading a development team that follows the source-driven development approach in Salesforce. As part of their continuous integration and delivery (CI/CD) process, they need to automatically deploy changes to multiple environments, including sandbox and production. Which mechanism or tool would best support their CI/CD pipeline in source-driven development?
Antwort: C
Begründung:
Source-driven development shifts the "source of truth" from the Salesforce org to a version control system (like Git). Salesforce DX (Developer Experience) was specifically designed to support this paradigm by introducing the Salesforce CLI (Command Line Interface). The Salesforce CLI is the primary engine for modern CI/CD pipelines because it allows for the scripted creation of scratch orgs, automated testing, and the deployment of source code to any environment (sandboxes, scratch orgs, or production) using simple command-line instructions3.
Unlike traditional tools, the Salesforce CLI supports the "Source" format, which is more granular and easier to manage in version control than the traditional Metadata format used by the Ant Migration Tool. Change Sets (Option B) are manual, UI-driven tools that cannot be automated in a CI/CD pipeline and are strictly org-to- org. Salesforce Extensions for VS Code (Option C) provide a powerful IDE interface for developers, but the extensions themselves rely on the underlying Salesforce CLI to perform deployments; they are not the automation tool used by the pipeline itself. The Ant Migration Tool (Option D) is an older technology that uses the Metadata API and is generally considered legacy compared to the more flexible and powerful Salesforce DX commands. Therefore, Salesforce CLI with Salesforce DX is the optimal choice for a robust, automated source-driven deployment strategy.
29. Frage
What is a best practice when unit testing a controller? Choose 2 answers
Antwort: B,C
30. Frage
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P.S. Kostenlose und neue PDII Prüfungsfragen sind auf Google Drive freigegeben von PrüfungFrage verfügbar: https://drive.google.com/open?id=1D3dz7bHKjaUeK8iDt37vfl8W5sYV521d