Free DEX-403 Mock Exam – Practice Online Confidently

Increase your chances of passing the Salesforce DEX-403 exam questions on your first try. Practice with our free online DEX-403 exam mock test designed to help you prepare effectively and confidently.

Exam Code: DEX-403
Exam Questions: 654
Declarative Development for Platform App Builders in Lightning Experience (WI25)
Updated: 06 Jan, 2026
Question 1

DreamHouse Realty (DR) has a policy that requires the phone number on Contact to be deleted when the
DoNotCall checkbox is checked.
What automation tool should the app builder recommend?

Options :
Answer: B

Question 2

Universal Containers would like to show different values to different groups of users in a custom picklist field.
What should be configured?

Options :
Answer: B

Question 3

The marketing team at Universal Containers has a list of 400 leads it wants to upload to Salesforce. The teamneeds to avoid creating duplicate records.Which two actions should be taken to meet this requirement? (Choose two.)

Options :
Answer: A,B

Question 4

Which three options art availably when activating a Lightning page from the Lightning App Builder?
Choose 3 answers

Options :
Answer: A,C

Question 5

Cloud Kicks wants to display 10 key fields at once in a separate section at the top of opportunity records on the desktop.Which component should an app builder add to the record page to enable this functionality?

Options :
Answer: B

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