DEX-403 Exam Details

  • Exam Code
    :DEX-403
  • Exam Name
    :Declarative Development for Platform App Builders in Lightning
  • Certification
    :Salesforce Certifications
  • Vendor
    :Salesforce
  • Total Questions
    :474 Q&As
  • Last Updated
    :Jul 10, 2026

Salesforce DEX-403 Online Questions & Answers

  • Question 391:

    An app builder has been asked to provide users a way to identify a Contact's "Preferred Contact Method" directly on the Contact record. Users need to be able to identify whether a phone number or an e-mail is the Contact's preferred communication method.

    What field type will allow the app builder to accomplish this with the fewest fields possible?

    A. Picklist
    B. E-mail
    C. Checkboxes
    D. Formula

  • Question 392:

    The Director of Marketing has asked the app builder to create a formula field that tracks how many days have elapsed since a contact was sent a marketing communication. The director is only interested in whole units. What function should be used to return today's date for calculating the difference?

    A. DATE()
    B. NOW()
    C. TODAY()
    D. DATEVALUE()

  • Question 393:

    Which statements are correct about encrypted fields among the following? (Choose four.)

    A. Encrypted fields can be included in search results, and report results.
    B. They are not available for use in filters such as list views, reports, roll-up summary fields, and rule filters.
    C. Encrypted text fields can be an external ID and can have default values.
    D. Encrypted fields are not available in lead conversion, workflow rule criteria or formulas, formula fields, outbound messages, default values, and Web-to-Lead and Web-to-Case forms.
    E. Encrypted fields are not searchable and cannot be used to define report criteria.

  • Question 394:

    In terms of the order of execution, what must be taken into account when using Validation rules and Workflows?

    A. The order of execution can be controlled in Salesforce setup.
    B. Validation rules fire before Workflow rules therefore will not catch any data that does not abide by your Validation rules.
    C. Validation rules fire after Workflow rules, so you must ensure that Workflow rules abide by your Validation rules to avoid errors.
    D. Validation rules and Workflow rules fire on separate automation schedules and therefore the order of execution can be ignored.

  • Question 395:

    Which is true about encrypted fields?

    A. A custom field can be converted to an encrypted field.
    B. They are available in Validation Rules or Apex Scripts even if the user is not having the permission "View Encrypted Data".
    C. Encrypted fields can be converted to other field types.
    D. In Email Templates, if an encrypted field needs to be displayed without the mask character, the User who receives the email should have the View Encrypted Data permission.

  • Question 396:

    What is a true statement regarding master-detail relationships? Choose 3 answers

    A. Master-detail relationship can be convert to a lookup relationship if no roll-up summary fields exist on the master object
    B. Master-detail relationships cannot be converted to a look-up relationship
    C. A master-detail relationship cannot be created if the custom object on the detail side already contains data
    D. Standard objects can be on the detail side of a custom object in a master-details relationship
    E. Deleting a master record in a master-detail relationship deletes all related detail records

  • Question 397:

    The app builder at UVC has been asked to ensure that the amount field ispopulated when the stage is set to closed won. What can be used to meet thisrequirement?

    A. Workflow
    B. Lighting process builder
    C. Approval process
    D. Validation rule

  • Question 398:

    Universal Containers uses a custom object called Candidates to track information about people who are being recruited for jobs within the company. When an employee refers a recruiting candidate, that employee should have access to the Candidate record; however, only HR users should be able to view, edit, and report on the Salary field.

    What action should be recommended for controlling who can view the Salary field?

    A. Create and assign separate Candidate page layouts for general employee users and HR users.
    B. Restrict access to the "Salary" field for general employee users using field-level security.
    C. Create and assign separate Candidate record types for general employee users and HR users.
    D. Restrict access to the "Salary" field for general employee users using custom sharing settings.

  • Question 399:

    Which of the following is true in regards to the User Acceptance testing (UAT) step in a large enterprise application lifecycle? Choose 2 answers.

    A. UAT comes before Integration testing
    B. UAT come after Integration Testing
    C. UAT can be used for end user testing or training
    D. UAT is typically the last step before deploying changes to production

  • Question 400:

    When should you refresh a sandbox?

    A. 3 Hours before you need it.
    B. When you are finished with the current sandbox.
    C. 10 Days after an implementation.
    D. Anytime.

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