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Salesforce DEX-450 Certification Exam is designed to test the ability of the Salesforce Developers to design, develop, test, and deploy Apex and Visualforce pages. DEX-450J exam consists of multiple-choice questions, scenario-based questions, and hands-on exercises. The candidates need to have an understanding of the fundamentals of Apex, Visualforce, and the Lightning Component Framework. DEX-450J exam focuses specifically on the Lightning Experience's features, including the tools and techniques necessary to develop and deploy Lightning components.

Salesforce DEX-450 certification exam is designed for professionals who specialize in programmatic development using Apex and Visualforce in the Lightning Experience. DEX-450J exam is intended to validate a candidate's knowledge and skills in designing, developing, testing, and deploying custom business logic, interfaces, and integrations using these programming languages.

How to Study the Salesforce DEX-450 Exam

The DEX-450 Test can be prepared in several respects. There are many forms to train for this test. Aspirants can select the PDFs available on the official website of Salesforce and they are also able to view videos online. The Qualification Questions Team strongly maintains that information obtained from multiple testing materials and references must be tested using high-quality evaluation engines when they fulfil the actual test. Before being greenlit, all our study material is confirmed repeatedly by experts.DEX-450 exam dumps of qualification-questions will be continuously revised, so the DEX-450 Test will be mirrored into the Dex-450 practice exams of any changes to the Salesforce Agile Research Certification materials. Expert team on PassLeaderVCE advises that you take quality notes on these subjects and that you should not neglect to follow DEX-450 exam dumps, which has been written by our expert staff.

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

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Salesforce DEX-450日本語 Exam Syllabus Topics:

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

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