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Most Recent Salesforce DEX-403 Exam Dumps

 

Prepare for the Salesforce Declarative Development for Platform App Builders in Lightning Experience exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Salesforce DEX-403 exam and achieve success.

The questions for DEX-403 were last updated on Jun 7, 2026.
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Question No. 1

Universal Containers has created two custom objects called Seminars and Attendees. Organization-wide defaults for these objects have been set to Private. Universal Containers wants to set up a new Junction object between these custom objects. A select group of users should be able to edit records in the Junction object.

Which two steps should an app builder take to configure the proper security?

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Correct Answer: A, D

A: Setting Sharing Settings to Read Only on both Master-Detail relationship fields ensures that users can view but not edit the master records from the junction object.

D: Creating an owner-based sharing rule that gives Read access to the junction object allows specific users or groups to access and edit records in the Junction object while maintaining the private OWD setting. References:

Salesforce Help - Sharing Settings


Question No. 2

A customer service representative at a call center wants to be able to collect

information from customers using a series of question prompts.

What should an app builder use to accomplish this?

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Correct Answer: B

For a customer service representative to collect information through a series of question prompts:

B . Flow. Salesforce Flows allow for the creation of guided interactions that can prompt users for information in a step-by-step manner.

Steps to create a flow for this purpose:

Navigate to Setup Flows.

Click on 'New Flow' and select a Screen Flow to interactively prompt users.

Design the flow with Screen elements for each question.

Add logic to process responses as necessary.

Save and activate the flow.

Embed or link the flow in a relevant location accessible to the service representative, such as on a record page or in the utility bar.

Flows provide a flexible and powerful way to interactively gather and process customer data in real time.

For detailed guidance on creating Flows, see Salesforce's Flow Builder documentation.


Question No. 3

Universal Containers utilizes opportunities and a custom object called Detaited.Sales__c. The company would like to roll sales metrics up to an opportunity for only Detailed.Sales__c records that have their picklist status set to Active.

What is the recommended method for the app builder to achieve this request?

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Question No. 4

An App Builder at UVC would like to prevent users from creating new records on an Account related list by overriding standard buttons. Which two should the App Builder consider before overriding standard buttons?

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Question No. 5

An app builder wants to create a custom object and 10 fields.

What should they use to create the object, fields, and relationships quickly from one place?

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Correct Answer: A

To create a custom object along with multiple fields and relationships efficiently from a single interface, the Schema Builder is the ideal tool:

A . Schema Builder. This graphical tool provides a drag-and-drop interface for creating and modifying objects and fields in Salesforce, allowing for a visual layout of database schema.

Steps to use Schema Builder:

Go to Setup Schema Builder.

Drag the 'Object' element into the schema area to create a new custom object.

Define the object's properties (e.g., label, API name).

Drag field elements like Text, Number, or Lookup into the object to create fields.

Configure each field's properties according to your requirements.

Connect objects via lookup or master-detail relationships by dragging the relationship fields between them.

Save the layout to create all elements in Salesforce.

For more information, review Salesforce's Schema Builder documentation.


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