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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience : DEX-450

DEX-450 Exam Simulator
  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Aug 11, 2026
  • Q & A: 202 Questions and Answers
  • Salesforce DEX-450 Q&A - in .pdf

  • Printable Salesforce DEX-450 PDF Format. It is an electronic file format regardless of the operating system platform.
  • PDF Version Price: $59.99
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About Salesforce DEX-450 Exam Simulator

What is the duration, language, and format of Salesforce DEX-450 Exam

  • This exam is offered in only English.
  • Certification Validity period : 3 years.
  • The type of questions is Multiple Choice and situation-based questions.
  • Passing score 80%
  • This exam consists of 85 questions
  • There is a time limit of 120 minutes for the exam.

The validity of the Salesforce DEX-450 certification is three years.

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Salesforce DEX-450 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Visualforce Development Considerations and Testing
  • Determine what data an Apex class can access
Topic 2
  • Write a query that traverses a child-to-parent and parent-to-child relationship
  • Creating Roll-Up Summary Fields
Topic 3
  • Process the result of a query in Apex
  • Understanding Record Types
  • Use trigger context variables
Topic 4
  • Referencing Custom Controllers and Controller Extensions
  • Use the sObject data type, the primitive data types, and basic control statements in Apex
Topic 5
  • Describe common limit issues and security concerns
  • Launch a Visualforce page using a custom button
Topic 6
  • Write a basic query using Salesforce’s query language, SOQL
  • Write Apex to invoke DML operations and handle DML errors
Topic 7
  • Describe the syntax of a trigger definition
  • Display data from a record in a Visualforce page
Topic 8
  • Write tests for action methods, getters, setters, and properties
  • List the differences between the ways you can invoke DML operations

Reference: https://trailhead.salesforce.com/en/academy/classes/dex450-build-applications-programmatically-on-the-salesforce-platform/

Who should take the Salesforce DEX-450 Exam

This course is designed for programme developers starting on the Salesforce platform who require programming customizations on Apex and Visualforce business logic as well as on user interface layers. There are no prerequisites for Salesforce DEX-450 Exam.

  • Programmatic developers.

Average Salary for Salesforce DEX-450 Exam Certified Professional

Salesforce administrator roles are in great demand nowadays. The average salaries of Salesforce DEX-450 exam Certified professional in:

  • England - 70,400 POUND
  • United State - 105,100 USD
  • India - 16,42,330 INR
  • Europe - 72,300 Euro

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Salesforce DEX-450 exam simulator

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