Free Salesforce DEX-450 Exam Questions

Become Salesforce Certified with updated DEX-450 exam questions and correct answers

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Total 387 Questions | Updated On: Jun 03, 2025

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Question 1

A developer wrote the following two classes:

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The StatusFetcher class successfully compiled and saved. However, the Calculator class has a compile time error.

How should the developer fix this code?

A : ange the class declaration for the statusFetcher class to public with inherited sharing.

B : ke the isActive method in the StatusFetcher class public.

C : ke the doCalculations method in the Calculation class private.

D : ange the class declaration for the Calculator class to public with inherited sharing.

Answer: B

Question 2

As part of a data cleanup strategy, AW Computing wants to proactively delete associated opportunity records when the related Account is deleted.

Which automation tool should be used to meet this business requirement?

A : rkflow Rules

B : heduled job

C : cord-Triggered Flow

D : ocess Builder

Answer: C

Question 3

An org has two custom objects:

* Plan_c, that has a master-detail relationship to the Account object.

* Plan_item_c, that has a master-detail relationship to the plan_C object.

What should a developer use to create a Visualforce section in the Account page layout that displays all of the plan.. Account and all of the Plan_item_c records related to those plan_c records.

A : controller extension with a custom controller

B : tandard controller with a custom controller

C : tandard controller with a controller extension

D : custom controller by itself

Answer: C

Question 4

A developer wrote an Apex method to update a list of Contacts and wants to make it available for use by Lightning web components.

Which annotation should the developer add to the Apex method to achieve this?

A :

B :

C :

D :

Answer: B

Question 5

A developer is creating an app that contains multiple Lightning web components.

One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.

How should this be accomplished?

A : re a notification.

B : date a property on the parent.

C : ll a method in the Apex controller.

D : eate a custom event.

Answer: D

Page: 1 / 78

Total 387 Questions | Updated On: Jun 03, 2025

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