Higher Test Marks with Free Online DEX-450 Exam Practice

Assess the CertsIQ’s updated DEX-450 exam questions for free online practice of your Programmatic Development using Apex and Visualforce in Lightning Experience (WI25) test. Our DEX450 dumps questions will enhance your chances of passing the Salesforce Platform Developer I certification exam with higher marks.

Exam Code: DEX-450
Exam Questions: 387
Programmatic Development using Apex and Visualforce in Lightning Experience (WI25)
Updated: 09 Oct, 2025
Question 1

A developer has the following requirements:
* Calculate the total amount on an Order.
* Calculate the line amount for each Line Item based on quantity selected and price.
* Move Line Items to a different Order if a Line Item is not in stock.
Which relationship implementation supports these requirements on its own7

Options :
Answer: A

Question 2

A developer needs to have records with specific field values in order to test a new Apex class.
What should the developer do to ensure the data is available to the test?

Options :
Answer: C

Question 3

Universal Container wants Opportunities to no longer be editable when itreaches the Closed/Won stage.
Which two strategies can a developer use to accomplish this?
Choose2 answer

Options :
Answer: A,B

Question 4

What are two use cases for executing Anonymous Apex code? Choose 2 answers

Options :
Answer: B,C

Question 5

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?

Options :
Answer: C

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