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: Jul 30, 2025

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Question 1

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

Question 2

How can a developer implement this feature?

A : Build an account assignment rule.

B : Build a workflow rule.

C : Build a flow with Flow Builder.

D : Build an account approval process.

Answer: 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

Universal Container is building a recruiting app with an Applicant object that stores information about an individual person that represents a job. Each application may apply for more than one job.

What should a developer implement to represent that an applicant has applied for a job?

A : Master-detail field from Applicant to Job

B : Formula field on Applicant that references Job

C : Junction object between Applicant and Job

D : Lookup field from Applicant to Job

Answer: C

Question 5

Ursa Major Solar has a custom object, serviceJob-o, with an optional Lookup field to Account called

partner-service-Provider_c.

The TotalJobs-o field on Account tracks the total number of serviceJob-o records to which a partner service

provider Account is related.

What is the most efficient way to ensure that the Total job_o field kept up to data?

A : Change TotalJob_o to a roll-up summary field.

B : Create a record-triggered flow on ServiceJob_o.

C : Create an Apex trigger on ServiceJob_o.

D : Create a schedule-triggered flow on ServiceJob_o.

Answer: A

Page: 1 / 78

Total 387 Questions | Updated On: Jul 30, 2025

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