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: Mar 12, 2026

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Question 1

For which three items can 2 trace flag be configured?

Choose 3 answers

A : Flow

B : Apex Class

C : User

D : Apex Trager

E : Visualforce

Answer: B,C,D

Question 2

A developer created a Lightning web component called statuscomponent to be Inserted into the Account record page. Which two things should the developer do to make this component available?

A : Add < isExposed > true< /isExposed > to the statusComponent.js-meta ml file.

B : Add < target > lighting _RecordPage < /target > to the statusComponent.js-meta ml file.

C : Add < masterLabel >Account< /master Label > to the statusComponent.js-meta ml file.

D : Add< target > Lightning_RecordPage < /target > to the statusComponent.js file.

Answer: A,B

Question 3

A developer must create a CreditcardPayment class that provides an implementation of an existing Payment class. Public virtual class Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } } Which is the correct implementation?

A : Public class CreditcardPayment extends Payment {public override void makePayment(Decimal amount) { /*implementation*/ }}

B : Public class CreditCardPayment implements Payment {public virtual void makePayment(Decimal amount) { /*implementation*/ }}

C : Public class CreditCardPayment extends Payment {public virtual void makePayment(Decimal amount) { /*implementation*/ }}

D : Public class CreditCardPayment implements Payment {public override void makePayment(Decimal amount) { /*Implementation*/ }}

Answer: A

Question 4

What can used to delete components from production?

A : A change set deployment with the delete option checked

B : An ant migration tool deployment with destructivechanges xml file and the components to delete in the package .xml file

C : A change set deployment with a destructivechanges XML file

D : An ant migration tool deployment with a destructivechanges XML file and an empty package .xml file

Answer: B

Question 5

Get Cloudy Consulting (GCC) has a multitude of servers that host its customers' websites. GCC wants to provide a servers status page that is always on display in its call center. It should update in real time with any changes made to any servers. To accommodate this on the server side, a developer created a server Update platform event.

The developer is working on a Lightning web component to display the information.