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Salesforce Build Applications Programmatically on the Salesforce Platform DEX-450 Exam

Attempt the Platform Developer I practice test and solve real exam-like DEX-450 questions to prepare efficiently and increase your chances of success. Our Salesforce DEX-450 practice questions match the actual Build Applications Programmatically on the Salesforce Platform exam format, helping you enhance confidence and improve performance. With our DEX-450 practice exam software, you can analyze your performance, identify weak areas, and work on them effectively to boost your final Platform Developer I exam score.

Vendor: Salesforce
Exam Name: Build Applications Programmatically on the Salesforce Platform
Registration Code: DEX-450
Related Certification: Salesforce Platform Developer I Certification
Exam Audience: Salesforce Developer,

Total Questions

201

Last Updated

11-07-2026

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Question: 1

Flow Builder uses an Apex action to provide additional information about multiple Contacts, stored in a custom class, ContactInfo. Which is the correct definition of the Apex method that gets the additional information?

A)

 Exam Question 1 Exhibit 1

B)

 Exam Question 1 Exhibit 2

C)

 Exam Question 1 Exhibit 3

D)

Question: 2

What are three capabilities of the tag when loading JavaScript resources in Aura components?

Choose 3 answers

Question: 3

A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of Apex tests allowing

them to test isolated requirements for various types of Salesforce cases.

Which approach can efficiently generate the required data for each unit test?

Question: 4

A developer at AW Computing is tasked to create the supporting test class for a programmatic customization that leverages records stored within the custom object, Pricing Structure c. AW Computing has a complex pricing structure for each item on the store, spanning more than 500 records.

Which two approaches can the developer use to ensure Pricing _Structure__c records are available when the test class is executed?

Choose 2 answers

Question: 5

A developer creates a custom exception as shown below:

public class ParityException extends Exception { }

What are two ways the developer can fire the exception in Apex?

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