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Salesforce DEX-450 Practice Q&A's

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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.

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How to book the Salesforce DEX-450 Exam

There are the following steps for registering the Salesforce DEX-450 exam:

Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method

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Salesforce DEX-450 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Write a query that traverses a child-to-parent and parent-to-child relationship
  • Creating Roll-Up Summary Fields
Topic 2
  • Visualforce Development Considerations and Testing
  • Determine what data an Apex class can access
Topic 3
  • Referencing Custom Controllers and Controller Extensions
  • Use the sObject data type, the primitive data types, and basic control statements in Apex
Topic 4
  • Write tests for action methods, getters, setters, and properties
  • List the differences between the ways you can invoke DML operations
Topic 5
  • Process the result of a query in Apex
  • Understanding Record Types
  • Use trigger context variables
Topic 6
  • Describe common limit issues and security concerns
  • Launch a Visualforce page using a custom button
Topic 7
  • Describe the memory lifecycle for static attributes
  • Use Platform Events for Immediate Error Logging
Topic 8
  • Describe how triggers fit into and can be impacted by the Order of Execution
  • Building a Data Model on the Salesforce Platform
Topic 9
  • Describe practices for writing code that is easy to maintain and extend
  • Write triggers and classes that assume batches of data as input
Topic 10
  • Describe strategies for Testing Visualforce controllers
  • Use SOQL to Query Parent-Child Relationships

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

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