100% Free DEX-450 Practice Exam Questions (2026)

Stay Ahead with Updated Programmatic Development using Apex and Visualforce in Lightning Experience (WI25) DEX-450 Practice Tests & Verified Answers

Salesforce DEX-450 Dumps & Practice Questions 2026

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Total 387 Questions | Updated On: Jul 28, 2026

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Question 1

What are two characteristics related to formulas? Choose 2 answers.

A : Formula can reference themselves.

B : Formulas are calculated at runtime and are not stored in the database.

C : Formulas can reference values in related objects.

D : Fields that are used in a formula field can be deleted or edited without the formula.

Answer: B,C

Question 2

A developer completed modifications feature that is comprised of two elements:* Apex trigger* Trigger handler Apex classWhat are two factors that the developer must take into account to properly deploy them to the productionenvironment?Choose 2 answers

A : Apex classes must have at least 75% code coverage org-wide.

B : All methods in the test classes must use @istest.

C : At least one line of code must be executed for the Apex trigger.

D : Test methods must be declared with the testMethod keyword.

Answer: A,C

Question 3

A developer is writing tests for a class and needs to insert records to validate functionality.

Which annotation method should be used to create record for every method in the test class?

A : @isTest (SeeAllData-true)

B : @FreTest

C : @TestSetup

D : @StartTest

Answer: C

Question 4

Managers at Universal Containers want to ensure that only decommissioned containers are able to be deletedin the system. To meet the business requirement a Salesforce developer adds "Decommissioned" as a picklistvalue for the Status _c custom field within the Container _c object.Which two approaches could a developer use to enforce only Container records with a status of"Decommissioned" can be deleted?Choose 2 answers

A : Before record-triggered flaw

B : Apex trigger

C : After record-triggered flow

D : Validation rule

Answer: B,D

Question 5

A develop completed modification to a customized feature that is comprised of two elements:

Apex trigger

Trigger handler Apex class

What are two factors that the developer must take into account to properly deploy the modification to the production environment?

A : Apex classes must have at least 75% code coverage org-wide.

B : At least one line of code must be executed for the Apex trigger.

C : All methods in the test classes must use @isTest.

D : Test methods must be declared with the testMethod keyword.

Answer: A,B

Page: 1 / 78

Total 387 Questions | Updated On: Jul 28, 2026

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