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Free DEX-450 Exam Braindumps
Programmatic Development using Apex and Visualforce in Lightning Experience Questions 6–10 (page: 3)

Updated On: 10-Feb-2026
Page 3 of 93
PDF with 456 Questions

While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard PriceBook since one already exists in the org.
How should the Developer overcome this problem?

  1. Use Test.getStandardPricebookId() to get the standard PriceBook ID.
  2. Use @IsTest(SeeAllData=true) and delete the existing standard PriceBook.
  3. Use Test.loadData() and a Static Resource to load a standard Pricebook.
  4. Use @TestVisible to allow the test method to see the standard PriceBook.

Answer(s): A



Which two Apex data types can be used to reference a Salesforce record ID dynamically? (Choose two.)

  1. ENUM
  2. sObject
  3. External ID
  4. String

Answer(s): A,D



Where can a developer identify the time taken by each process in a transaction using Developer Console log inspector?

  1. Performance Tree tab under Stack Tree panel
  2. Execution Tree tab under Stack Tree panel
  3. Timeline tab under Execution Overview panel
  4. Save Order tab under Execution Overview panel

Answer(s): C



Which two platform features align to the Controller portion of MVC architecture? (Choose two.)

  1. Process Builder actions
  2. Workflow rules
  3. Standard objects
  4. Date fields

Answer(s): A,B



A developer needs to test an Invoicing system integration. After reviewing the number of transactions required for the test, the developer estimates that the test data will total about 2 GB of data storage. Production data is not required for the integration testing.

Which two environments meet the requirements for testing? (Choose two.)

  1. Developer Sandbox
  2. Full Sandbox
  3. Developer Edition
  4. Partial Sandbox
  5. Developer Pro Sandbox

Answer(s): B,D



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