Exam Details

  • Exam Code
    :DEX-450
  • Exam Name
    :Programmatic Development using Apex and Visualforce in Lightning
  • Certification
    :Salesforce Certifications
  • Vendor
    :Salesforce
  • Total Questions
    :456 Q&As
  • Last Updated
    :Apr 13, 2025

Salesforce Salesforce Certifications DEX-450 Questions & Answers

  • Question 311:

    A developer needs to import customer subscription records into salesforce and attach them to existing account records. Which 2 actions should the developer take to ensure the subscription records are related to the correct account records? Choose 2 answers

    A. Match an external ID text field to a column in the imported file

    B. Match an auto-number field to a column in the imported file

    C. Match the name field to a column in the imported file

    D. Match the id field to a column in the imported file

  • Question 312:

    What is accurate statement about with sharing keyword? Choose 2 answers A. Either inner or outer classes can be declared as with sharing, but not both

    B. Both inner and outer classes can be declared as with sharing

    C. Inner classes do not inherit the sharing settings from the container class

    D. Inner classes inherit the sharing settings from the container class.

  • Question 313:

    Which statement would a developer use when creating test data for products and pricebooks?

    A. Id pricebookId = Test.getStandardPricebookId();

    B. Pricebook pb = new Pricebook();

    C. IsTest(SeeAllData = false);

    D. List objList = Test.loadData(Account.sObjectType, 'myResource');

  • Question 314:

    What declarative method helps ensure quality data? Choose 3 answers

    A. Page layouts

    B. Lookup filters

    C. Exception handling

    D. Workflow alerts

    E. Validation rules

  • Question 315:

    Which statement about the Lookup Relationship between a Custom Object and a Standard Object is correct?

    A. The Lookup Relationship on the Custom Object can prevent the deletion of the Standard Object.

    B. The Lookup Relationship cannot be marked as required on the page layout for the Custom Object.

    C. The Custom Object will be deleted when the referenced Standard Object is deleted.

    D. The Custom Object inherits security from the referenced Standard Objects

  • Question 316:

    What is a characteristic of the Lightning Component Framework? Choose 2 answers:

    A. It has an event-driven architecture.

    B. It works with existing Visualforce pages.

    C. It includes responsive components.

    D. It uses XML as its data format.

  • Question 317:

    Which code in a Visualforce page and/or controller might present a security vulnerability?

    A.

    B.

    C.

    D.

  • Question 318:

    How can a developer avoid exceeding governor limits when using an Apex Trigger?choose 2 answers

    A. By using a helper class that can be invoked from multiple triggers.

    B. By using the Database class to handle DML transactions.

    C. By using Maps to hold data from query results.

    D. By performing DML transactions on lists of SObjects.

  • Question 319:

    The sales management team requires that the lead source field of the Lead record be populated when Lead is converted. What would a developer use to ensure that a user populates the Lead source field?

    A. Validation rule

    B. Formula field

    C. Workflow rule

    D. Process builder

  • Question 320:

    To which data type in Apex a currency field automatically assigned?

    A. Integer

    B. Decimal

    C. Double

    D. Currency

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