Free Salesforce DEX-450 Exam Questions

Absolute Free DEX-450 Exam Practice for Comprehensive Preparation 

  • Salesforce DEX-450 Exam Questions
  • Provided By: Salesforce
  • Exam: Programmatic Development using Apex and Visualforce in Lightning Experience (WI25)
  • Certification: Salesforce Platform Developer I
  • Total Questions: 387
  • Updated On: Mar 08, 2026
  • Rated: 4.9 |
  • Online Users: 774
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  • Question 1
    • What can be easily developed using the Lightning Component framework? 

      Answer: C
  • Question 2
    • A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.
      What two things should be done to create the test data within the unit test with the least amount of code? Choose 2 answers
      A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.
      What two things should be done to create the test data within the unit test with the least amount of code?
      Choose 2 answers

      Answer: B,D
  • Question 3
    • What is the result of the following code?



      Answer: C
  • Question 4
    • A company has been adding data to Salesforce and has not done a good Job of limiting the creation of duplicate Lead records. The developer is considering writing an Apex process to identify duplicates and merge the records together.
      Which two statements are valid considerations when using merged?
      Choose 2 answers

      Answer: B,D
  • Question 5
    • A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?

      Answer: B
PAGE: 1 - 78
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