Salesforce DEX-450 Q&A - in .pdf

  • Exam Code: DEX-450
  • Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
  • Updated: Jul 30, 2026
  • Q & A: 202 Questions and Answers
  • 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 30, 2026
  • Q & A: 202 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
  • PC Test Engine Price: $59.99
  • Testing Engine

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About Salesforce DEX-450 Exam

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

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

Salesforce DEX-450 Exam Syllabus Topics:

SectionObjectives
Topic 1: Apex Programming Fundamentals- Apex syntax and object-oriented concepts
  • 1. Classes, methods, and variables
    • 2. Access modifiers and encapsulation
      - Collections and data handling
      • 1. Lists, Sets, and Maps
        • 2. Iteration and data manipulation
          Topic 2: Apex Triggers and Automation- Order of execution
          • 1. Salesforce transaction lifecycle
            - Trigger design patterns
            • 1. Before and after triggers
              • 2. Bulkified trigger design
                Topic 3: Testing and Debugging- Apex testing framework
                • 1. Code coverage requirements
                  • 2. Test classes and methods
                    - Debugging techniques
                    • 1. System debug logs
                      Topic 4: Visualforce Development- Pages and controllers
                      • 1. Standard controllers
                        • 2. Custom controllers and extensions
                          - UI components
                          • 1. Visualforce components and expressions
                            Topic 5: Database and SOQL/SOSL- SOQL queries
                            • 1. Relationship queries
                              • 2. Basic and advanced query filtering
                                - DML operations
                                • 1. Bulk operations and limits
                                  • 2. Insert, update, delete, upsert
                                    Topic 6: Security and Best Practices- Security model
                                    • 1. CRUD and FLS enforcement
                                      • 2. Sharing rules and with sharing keyword
                                        - Governor limits
                                        • 1. Avoiding limit exceptions

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