Free Practice Salesforce DEX-450 Exam Questions 2025

Stay ahead with 100% Free Programmatic Development using Apex and Visualforce in Lightning Experience (WI25) DEX-450 Dumps Practice Questions

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Total 387 Questions | Updated On: Jun 03, 2025

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Question 1

What are three characteristics of change set deployments?

Choose 3 answers

A : Change sets can only be used between related organizations.

B : Change sets can be used to transfer records.

C : Sending a change set between two orgs requires a deployment connection

D : Change sets can deploy custom settings data.

E : Deployment is done in a one-way, single transaction.

Answer: A,B

Question 2

A developer created a trigger on a custom object. This custom object also has some dependent pick lists.

According to the order of execution rules, which step happens first?

A : System validation is run for maximum field lengths.

B : The original record is loaded from the database.

C : Old values are overwritten with the new record values,

D : JavaScript validation is run In the browser.

Answer: D

Question 3

Which annotation should a developer use on an Apex method to make it available to be wired to a property in

a Lightning web component?

A : @RemoteAction

B : @AureEnabled

C : @AureEnabled (cacheable=true)

D : @RemoteAction(|cacheable=true)

Answer: C

Question 4

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 5

A recursive transaction is limited by a DML statement creating records for these two objects:

1. Accounts

2. Contacts

The Account trigger hits a stack depth of 16.

Which statement is true regarding the outcome of the transaction?

A : The transaction fails only if the Contact trigger stack depth is greater or equal to 16.

B : The transaction succeeds as long as the Contact trigger stack depth is less than 16.

C : The transaction fails and all the changes are rolled back.

D : The transaction succeeds and all the changes are committed to the database.

Answer: D

Page: 1 / 78

Total 387 Questions | Updated On: Jun 03, 2025

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