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 05, 2025

Salesforce Salesforce Certifications DEX-450 Questions & Answers

  • Question 361:

    When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?

    A. Production

    B. Dev Hub

    C. Environment Hub

    D. Sandbox

  • Question 362:

    A developer wants to handle the click event for a lightning:button component. The on click attribute for the component references a JavaScript function in which resource in the component bundle?

    A. Helper.js

    B. Handler.js

    C. Controller.js

    D. Renderer.js

  • Question 363:

    Which option should a developer use to create 500 Accounts and make sure that duplicates are not created for existing Account Sites?

    A. Data Import Wizard

    B. Salesforce-to-Salesforce

    C. Sandbox template

    D. Data Loader

  • Question 364:

    Universal Containers (UC) has an integration with its Accounting system that creates tens of thousands of Orders inside of Salesforce in a nightly batch. UC wants to add automaton that can attempt to match Leads and Contacts to these Orders using the Email Address field on the insert. UC is concerned about the performance of the automation with a large data volume. Which tool should UC use to automate this process?

    A. Process Builder

    B. Process Builder with an Autolaunched Flow

    C. Workflow Rules

    D. Apex

  • Question 365:

    A developer writes a SOQL query to find child records for a specific parent. How many levels can be returned in a single query?

    A. 1

    B. 7

    C. 5

    D. 3

  • Question 366:

    What are two ways a developer can get the status of an enquered job for a class that queueable interface? Choose 2 answers

    A. View the apex status Page

    B. View the apex flex Queue

    C. View the apex Jobs page (Missed)

    D. Query the AsyncApexJobe object (Missed)

  • Question 367:

    What is true of a partial sandbox that is not true of a full sandbox? Choose 2 answers

    A. More frequent refreshes

    B. Limited to 5 GB of data

    C. Use of change sets

    D. Only includes necessary meta data

  • Question 368:

    A developer must write an Apex method that will be called from a Lightning component. The method may delete an account stored in the accountRec variable. Which method should a developer use to ensure only users that should be able to delete Accounts can succesfully perform deletions?

    A. AccountRec.sObjectType.isDeleteable()

    B. Schema.sObjectType.Account.isDeletable()

    C. AccountRec.isdeletable()

    D. Account.isDelketable()

  • Question 369:

    A developer is asked to create a custom visualforce page that will be used as a dashboard component. Which three are valid controller options for this page? Choose 3 answers

    A. Use a custom controller

    B. Use a custom controller with extensions

    C. Use a standard controller with extensions

    D. Do not specify a controller

    E. Use a standard controller

  • Question 370:

    A developer needs to apply the look and feel of lightning experience to a number of applications built using a custom third-party javascript framework and rendered in visualforce pages, which option achieves this?

    A. Set the attribute enablelightning to "true" in the definition

    B. Replace the third-party javascript library with native visualforce tags

    C. Configure the user interface options in the setup menu to enable legacy mode for visualforce

    D. Incorporate salesforce lightning design system css style sheets into the javascript applications

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