Salesforce DEX-450 Q&A - in .pdf

  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Jul 19, 2026
  • Q & A: 202 Questions and Answers
  • PDF Price: $59.98
  • Printable Salesforce DEX-450 PDF Format. It is an electronic file format regardless of the operating system platform.
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Salesforce DEX-450 Q&A - Testing Engine

  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Jul 19, 2026
  • Q & A: 202 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
  • PC Test Engine Price: $59.98
  • Testing Engine

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For more info read reference:

Salesforce DEX-450 Certification leaning site Salesforce DEX-450 Certification resources

Salesforce DEX-450 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Describe the memory lifecycle for static attributes
  • Use Platform Events for Immediate Error Logging
Topic 2
  • Describe practices for writing code that is easy to maintain and extend
  • Write triggers and classes that assume batches of data as input
Topic 3
  • Process the result of a query in Apex
  • Understanding Record Types
  • Use trigger context variables
Topic 4
  • Describe common limit issues and security concerns
  • Launch a Visualforce page using a custom button
Topic 5
  • Write a query that traverses a child-to-parent and parent-to-child relationship
  • Creating Roll-Up Summary Fields
Topic 6
  • Write tests for action methods, getters, setters, and properties
  • List the differences between the ways you can invoke DML operations
Topic 7
  • Visualforce Development Considerations and Testing
  • Determine what data an Apex class can access
Topic 8
  • Describe strategies for Testing Visualforce controllers
  • Use SOQL to Query Parent-Child Relationships
Topic 9
  • Write a basic query using Salesforce’s query language, SOQL
  • Write Apex to invoke DML operations and handle DML errors
Topic 10
  • Describe the syntax of a trigger definition
  • Display data from a record in a Visualforce page

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

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