DEX-403E Exam Questions and Answers

QUESTION: 6

Ursa Major Solar's service department gets requests for several types of services, such as installation, repair, and maintenance. Service managers need to be able to tell when maintenance was last done on on asset to help determine If they are meeting contract agreements, but the last maintenance date can be difficult to determine when there are many work orders related to the asset. They think it would be helpful to have a field auto-populated on the Asset record when a maintenance work order gets closed.
What tool should an app builder recommend to help meet this requirement?

Visualforce
Roll-up Summary
Apex Trigger
Flow

Answer(s): D

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QUESTION: 7

At Universal Containers, the Account object has a Master-Detail relationship with an Invoice custom object. The App Builder would like to change to a lookup field, but is not able to do so.
What could be causing this?

The invoice must have at least one Master-Detail field for reporting.
The Account record includes Invoice roll-up summary fields.
The Invoice records have existing values in the Account.
The Account is included in the workflow on the Invoice object.

Answer(s): B

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QUESTION: 8

Ursa Major Solar has a lookup relationship between a custom Galaxy _c object and a custom Star_c object. An app builder wants to create a roll-up summary field that counts the total number of Star_c records related to each Galaxy__c record.
How would the current configuration impact the ability to achieve the desired result?

The roll-up summary can be achieved by creating a formula field on the Galaxy__c object.
The lookup relationship will need to be converted to a master-detail relationship before a roll-up summary field can be created.
The roll-up summary can be achieved by creating a formula field on the Star__c object.
A roll-up summary field will need to be created on the Galaxy__c object with a field filter that select all related Star_c records

Answer(s): B

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QUESTION: 9

Service agents at Ursa Major Solar want a more condensed case view. Service agents also want to be able to modify the associated contact and account records from the case page layout on the

Lightning record page.
Which two components should an app builder use to meet these requirements? Choose 2 answers

Path
Rich text
Related record
Tabs

Answer(s): C,D

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QUESTION: 10

A sales rep at AW Computing is unable to find what they are looking for while scrolling through their Chatter feed.
How can a filter be utilized to show only posts from their key account and opportunity records?

Create a Chatter group.
Create Chatter bookmarks
Create a Chatter stream.
Create a Chatter notification.

Answer(s): C

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Salesforce DEX-403E Exam (page: 2) Salesforce Declarative Development for Platform App Builders in Lightning- Extended Updated on: 25-Dec-2025

QUESTION: 6

QUESTION: 7

QUESTION: 8

QUESTION: 9

QUESTION: 10

Salesforce DEX-403E Exam (page: 2)
Salesforce Declarative Development for Platform App Builders in Lightning- Extended
Updated on: 25-Dec-2025