Describe Techniques to Maximize Code Re-Use with Visualforce. PLATFORM-DEVELOPER-II Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   What is the primary purpose of a controller extension in Visualforce?

   • ATo style the page with CSS
   • BTo add custom actions and properties to a standard or custom controller
   • CTo handle database migrations
   • DTo replace the standard controller entirely
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2. 7application · medium

   A developer is building a Visualforce page for a custom object 'Order__c'. The page needs to display the standard record detail and a custom list of related line items. The developer wants to reuse the standard controller for the record detail. What is the best way to add the custom line items list?

   • AUse a standard related list to display the line items.
   • BCreate a controller extension for the standard controller and add a method to get the line items.
   • CAdd the line items query directly to the standard controller.
   • DCreate a custom controller and re-implement the record detail display.
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4. 8foundation · easy

   What is the purpose of defining attributes on a custom Visualforce component?

   • ATo allow the component to be configured differently each time it is used
   • BTo define the component's CSS styles
   • CTo store the component's internal state permanently
   • DTo specify the component's file path
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5. 9foundation · easy

   When would a developer typically use a controller extension with a standard controller?

   • ATo bypass validation rules
   • BTo replace the standard controller's built-in save method
   • CTo access private fields of the standard controller
   • DTo add custom actions while retaining standard functionality
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6. 10application · medium

   A company has multiple Visualforce pages that each display a list of records with a 'Status' field. The pages are for different objects (Account, Case, Custom_Object__c) and need to display the status in a color-coded badge. The developer wants to avoid duplicating the badge markup and styling logic. What is the most reusable approach?

   • ACreate a custom component that accepts the status value as an attribute and renders the badge.
   • BCreate a custom controller that all pages extend to share the badge logic.
   • CUse a Visualforce page that includes the badge and embed it via an iframe on other pages.
   • DCopy the badge markup and styling into each Visualforce page that needs it.
   Reveal Solution Discussion Select an answer first