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Free DEX-450 Exam Braindumps
Programmatic Development using Apex and Visualforce in Lightning Experience Questions 91–95 (page: 20)

Updated On: 10-Feb-2026
Page 20 of 93
PDF with 456 Questions

What is a capability of formula fields? (Choose 3)

  1. Generate a link using the HYPERLINK function to a specific record in a legacy system.
  2. Display the previous values for a field using the PRIORVALUE function.
  3. Return and display a field value from another object using the VLOOKUP function.
  4. Determine if a datetime field has passed using the NOW function.
  5. Determine which of three different images to display using the IF function.

Answer(s): A,D,E



What is the proper process for an Apex Unit Test

  1. Query for test data using SeeAllData = true. Call the method being tested. Verify that the results are correct.
  2. Query for test data using SeeAllData = true. Execute runAllTests(). Verify that the results are correct.
  3. Create data for testing. Execute runAllTests(). Verify that the results are correct.
  4. Create data for testing. Call the method being tested. Verify that the results are correct.

Answer(s): D



A developer needs to know if all tests currently pass in a Salesforce environment. Which feature can the developer use? (Choose 2)

  1. ANT Migration Tool
  2. Workbench Metadata Retrieval
  3. Salesforce UI Apex Test Execution
  4. Developer Console

Answer(s): C,D



When loading data into an operation, what can a developer do to match records to update existing records? (Choose 2)

  1. Match an auto-generated Number field to a column in the imported file.
  2. Match an external Id Text field to a column in the imported file.
  3. Match the Name field to a column in the imported file.
  4. Match the Id field to a column in the imported file.

Answer(s): B,D



A developer wants to create a custom object to track Customer Invoices.How should Invoices and Accounts be related to ensure that all Invoices are visible to everyone with access to an Account?

  1. The Account should have a Master-Detail relationship to the Invoice.
  2. The Invoice should have a Master-Detail relationship to the Account
  3. The Account should have a Lookup relationship to the Invoice
  4. The Invoice should have a Lookup relationship to the Account Previous

Answer(s): B



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