Salesforce DEX-450 practice materials Questions Answers

Exam Code:
DEX-450
Exam Name:
Build Applications Programmatically on the Salesforce Platform Exam
Last Update:
Jun 01,2026

201 Questions Answers Verified by Experts!


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Salesforce DEX-450 Questions for Platform Developer I Certification Exam 2026

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Page: 1 / 34
Total Questions: 169

Questions & Answers PDF

• Question 1

  

  What are three ways for 2 developer to execute tests in an org? Choose 3 answers

  • Metadata APT
  • Bulk API
  • Setup Menu
  • SalesforceDX
  • Tooling API

  Reveal Answer Answer: C, D, E Next Question

• Question 2

  

  A developer has the following requirements:* Calculate the total amount on an Order.* Calculate the line amount for each Line Item based on quantity selected and price.* Move Line Items to a different Order if a Line Item is not in stock.Which relationship implementation supports these requirements on its own7

  • Line Item has a re-parentable master-detail field to Order.
  • Order has a re-parentable master-detail field to Line Item.
  • Line Item has a re-parentable lookup field to Order.
  • Order has a re-parentable lookup field to Line Item.

  Reveal Answer Answer: A Next Question

• Question 3

  

  which statement is true regarding execution order when triggers are associated to the same object and event?

  • Trigger execution order cannot be guaranteed.
  • executed In the order they are modified.
  • Triggers are executed alphabetically by trigger name.
  • Triggers are executed in the order they are created.

  Reveal Answer Answer: A Next Question

• Question 4

  

  A developer must create a lightning component that allows users to input contact recordinformation to create a contact record, including a salary__c custom field. what should thedeveloper use, along with a lightning-record-edit form, so that salary__c field functions as acurrency input and is only viewable and editable by users that have the correct field levelpermissions on salary__C?

  Reveal Answer Answer: A Next Question

• Question 5

  

  Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are available. Which method should be used to calculate the estimated ship date for an Order?

  • Use a CEILING formula on each of the Latest availability date fields.
  • Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
  • Use a LATEST formula on each of the latest availability date fields.
  • Use a Max Roll-Up Summary field on the Latest availability date fields.

  Reveal Answer Answer: D Next Question

• Question 6

  

  A developer is migrating a Visualforce page into a Lightning web component.The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.Which security consideration should the developer be aware of?

  • Lightning Data Service handles sharing rules and field-level security.
  • Lightning Data Service ignores field-level security.
  • The with sharing keyword must be used to enforce sharing rules.
  • The isAccessible ( ) method must be used for field-level access checks

  Reveal Answer Answer: A Next Question

• Question 7

  

  For which three items can a trace flag be configured?Choose 3 answers

  • Process Builder
  • Visualforce
  • Apex Class
  • Apex Trigger
  • User

  Reveal Answer Answer: C, D, E Next Question

• Question 8

  

  Uniersal Containers (UC) is developing a process for their sales teams that requires all sales reps to go through a set of scripted steps with each new customer they create.In the first steps of collecting information, UC's ERP system must be checked via as a REST endpoint to see if the customerexists. If the customer exists, the data must be presented to the sales rep in Salesforce.Which two should a developer implement to satisfy the requirements?Choose2 answer

  • Flow
  • Future method
  • Trigger
  • Invocable method

  Reveal Answer Answer: B, D Next Question

• Question 9

  

  What can be used to override the Account's standard Edit button for Lightning Experience?

  • Lightning action
  • Lightning component
  • Lightning page
  • Lightning flow

  Reveal Answer Answer: B Next Question

• Question 10

  

  What are three ways for a developer to execute tests in an org? Choose 3.

  • Bulk API
  • Tooling API
  • Setup Menu
  • Salesforce DX
  • Metadata API.

  Reveal Answer Answer: B, C, D Next Question

Page: 1 / 34
Total Questions: 169

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