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Salesforce DEX-450 Exam Questions
Programmatic Development using Apex and Visualforce in Lightning Experience (Page 9 )

Updated On: 10-Mar-2026
Page 9 of 93
PDF with 456 Questions

Which approach should a developer use to add pagination to a Visualforce page?

  1. A StandardController
  2. The Action attribute for a page
  3. The extensions attribute for a page
  4. A StandardSetController

Answer(s): D



A developer is asked to create a PDF quote document formatted using the company's branding guidelines, and automatically save it to the Opportunity record.

Which two ways should a developer create this functionality? (Choose two.)

  1. Install an application from the AppExchange to generate documents.
  2. Create a Visualforce page with custom styling.
  3. Create an email template and use it in Process Builder.
  4. Create a visual flow that implements the company's formatting.

Answer(s): A,B



Which tool allows a developer to send requests to the Salesforce REST APIs and view the responses?

  1. REST resource path URL
  2. Workbench REST Explorer
  3. Developer Console REST tab
  4. Force.com IDE REST Explorer tab

Answer(s): B



A developer created a Visualforce page and a custom controller with methods to handle different buttons and events that can occur on the page.
What should the developer do to deploy to production?

  1. Create a test class that provides coverage of the Visualforce page.
  2. Create a test page that provides coverage of the Visualforce page.
  3. Create a test page that provides coverage of the custom controller.
  4. Create a test class that provides coverage of the custom controller.

Answer(s): D



What is a benefit of using an after insert trigger over using a before insert trigger?

  1. An after insert trigger allows a developer to bypass validation rules when updating fields on the new record.
  2. An after insert trigger allows a developer to insert other objects that reference the new record.
  3. An after insert trigger allows a developer to make a callout to an external service.
  4. An after insert trigger allows a developer to modify fields in the new record without a query.

Answer(s): B



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Viewing questions 41 - 45 out of 456 questions



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