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: Sep 10, 2025

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Question 1

Given the following trigger implementation:

trigger leadTrigger on Lead (before update){

final ID BUSINESS_RECORDTYPEID = '012500000009Qad';

for(Lead thisLead : Trigger.new){

if(thisLead.Company != null && thisLead.RecordTypeId != BUSINESS_RECORDTYPEID){

thisLead.RecordTypeId = BUSINESS_RECORDTYPEID;

}

The developer receives deployment errors every time a deployment is attempted from Sandbox to Production.

What should the developer do to ensure a successful deployment?

A : Ensure BUSINESS_RECORDTYPEID is retrieved using Schema.Describe calls.

B : Ensure a record type with an ID of BUSINESS_RECORDTYPEID exists on Production prior to deployment.

C : Ensure BUSINESS_RECORDTYPEID is pushed as part of the deployment components.

D : Ensure the deployment is validated by a System Admin user on Production.

Answer: B

Question 2

Which declarative process automation feature supports iterating over multiple records?

A : Flows

B : Validation Rules

C : Approval Process

D : Workflow rules

Answer: A

Question 3

Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own. What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?

A : Use the schema describe calls to determine if the logged-in users has access to the Account object.

B : Use the without sharing keyword on the class declaration.

C : Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.

D : Use the with sharing keyword on the class declaration.

Answer: D

Question 4

what are the three languages used in the visualforce page?

A : Javascript, CSS, HTML

B : Apex, Json, SQL

C : C++, CSS, query

Answer: A

Question 5

Which three code lines are required to create a Lightning component on a Visualforce page? Choose 3 answers

A : $Lightning.createComponent

B : < apex:slds/ >

C : $Lightning.useComponent

D : $Lightning.use

E : < apex:includeLightning/ >

Answer: A,D

Page: 1 / 78

Total 387 Questions | Updated On: Sep 10, 2025

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