Salesforce Updated PDI Exam Questions and Answers by jakub

A helper is a JavaScript resource that contains functions that can be reused by the component’s controller or other helpers. A controller is a JavaScript resource that contains functions that handle user interactions and events in the component. A renderer is a JavaScript resource that overrides the default rendering behavior of the component. A style is a CSS resource that defines the appearance of the component. A design is an XML resource that specifies the design-time attributes for the component. References: Using JavaScript, Using External JavaScript Libraries In Aura Component, Expression Functions Reference

The correct option is C, which includes the import statement for an Apex method named updateAccounts in the class AccountController. In Salesforce, to use an Apex method in a Lightning Web Component (LWC), you need to import it using a specific syntax. The syntax includes the import keyword followed by the method name from '@salesforce/apex/ClassName.MethodName'. This makes the Apex method available for use within the LWC. References:

• 1: Order of Execution (Apex Developer Guide)
• 2: Use a Static Resource (Lightning Web Components Developer Guide)
• 3: Call Apex Methods | Lightning Web Components Developer Guide …
• 4: Wire Apex Methods to Components | Lightning Web Components Developer …
• 5: How to call the apex method in lightning web component
• 6: Using Apex | Lightning Aura Components Developer Guide | Salesforce …

The Apex method that is wired to the searchResults property should be defined as a static method with the @AuraEnabled(cacheable=true) annotation. This annotation enables the method to be called from the Lightning component and also allows the method to be cached by the Lightning Data Service. Caching the method improves the performance and user experience of the component, as it reduces the number of server requests and displays the data faster. The cacheable attribute should be set to true only for methods that return data that does not change frequently or does not depend on the user context. The term parameter should be used to filter the Opportunities based on the user input. References: Call Apex Methods, Improve Performance with Storable Actions, Prepare for Your Salesforce Platform Developer I Credential