Describe How the Salesforce Platform Features Map to the MVC Pattern. PLATFORM-DEVELOPER-I Practice Questions (Page 5)

Questions 21–23

1. 21expert · hard

   A developer is building a custom Salesforce page that allows users to create and update records. The page must handle complex validation that cannot be done declaratively. The developer wants to keep the View as simple as possible. Which approach best follows MVC?

   • AUse a Visualforce page with all validation logic in the page
   • BUse an Apex trigger for validation and a simple list view for the UI
   • CUse a custom object with validation rules for all validation
   • DUse a Lightning Web Component for the View and an Apex class with @AuraEnabled methods for the Controller
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2. 22foundation · easy

   In the Salesforce platform's mapping to the MVC pattern, which feature serves as the Controller?

   • ACustom objects
   • BFields
   • CApex classes
   • DLightning Web Components
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3. 23expert · hard

   A developer is designing a new Salesforce app with a complex approval process. The team wants to keep the UI simple and reusable, and they want to ensure that business logic is not duplicated in multiple places. Which MVC design is most appropriate?

   • AUse Apex triggers for all business logic and no controllers
   • BUse Visualforce pages with inline JavaScript for all logic
   • CUse a single custom object with all logic in validation rules
   • DUse Lightning Web Components for the View, Apex classes for the Controller, and custom objects for the Model
   Reveal Solution Discussion Select an answer first