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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: Apr 22, 2026
  • Rated: 4.9 |
  • Online Users: 774
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  • Question 1
    • Universal Hiring is using Salesforce to capture job applications. A salesforce administrator created two custom objects; Job c acting as the master object, Job application.__: acting as the detail.
      What is the recommended tool a developer should use to meet the business requirement?

      Answer: C
  • Question 2
    • Which code displays the contents of a Visualforce page as a PDF?


      Answer: D
  • Question 3
    • What will be the output in the debug log in the event of a QueryExeption during a call to the @query method in the following Example?

      Other-Image-29ed9d44b-ca5e-4f2f-986a-1d56288a3ac9

      Answer: C
  • Question 4
    • What can be developed using the Lightning Component framework?


      Answer: B
  • Question 5
    • A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.
      In which two ways can this be accomplished?
      Choose 2 answers

      Answer: A,D
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