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Salesforce DEX-450 Exam Syllabus

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Before starting your DEX-450 exam preparation, it is recommended to review the complete Salesforce Build Applications Programmatically on the Salesforce Platform exam syllabus and carefully go through the exam objectives listed below. Once you understand the exam structure and objectives, you should practice using our free DEX-450 questions. We also provide premium DEX-450 practice test, fully updated according to the latest exam objectives, to help you accurately assess your preparedness for the actual exam.

Salesforce
Vendor
DEX-450
Exam Code
201
Total Questions
14
Total Exam Domains

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DEX-450 EXAM QUESTIONS

Salesforce DEX-450 Exam Objectives

Section 1: Declarative Automation
Weight:
-
  •     Create Formula Fields
  •     Create Roll-Up Summary Fields
  •     Understand Record Types
  •     Review Other Automation Tools
  •     Build a Data Model on the Salesforce Platform
Section 2: Programming with Apex
Weight:
-
  •     Describe Key Aspects of Apex That Differentiate It from Other Languages, Such as Java and C#
  •     Describe Why Apex Transactions and Governor Limits Must Be Considered When Writing Apex
  •     Execute Simple Apex
  •     Use the sObject Data Type, the Primitive Data Types, and Basic Control Statements in Apex
Section 3: Using SOQL and SOSL to Retrieve Your Org’s Data
Weight:
-
  •     Write a Basic Query Using Salesforce’s Query Language, SOQL
  •     Process the Result of a Query in Apex
  •     Create a Query Dynamically at Run-Time
  •     Use SOQL to Query Parent-Child Relationships
  •     Describe a Relationship Query
  •     Write a Query That Traverses a Child-to-Parent Relationship
  •     Write a Query That Traverses a Parent-to-Child Relationship
  •     Use SOSL to Search Data
Section 4: Using DML to Manipulate Your Org’s Data
Weight:
-
  •     List the Differences Between the Ways You Can Invoke DML Operations
  •     Write Apex to Invoke DML Operations and Handle DML Errors
Section 5: Deployment
Weight:
-
  •     What Is Deployment?
  •     Deploy Code Using Change Sets
  •     Use the Ant Migration Tool
  •     Review Managed and Unmanaged Packages
  •     Explore Salesforce DX
Section 6: Trigger Essentials
Weight:
-
  •     Describe What a Trigger Is Used For
  •     Describe the Syntax of a Trigger Definition
  •     Use Trigger Context Variables
Section 7: Apex Class Essentials
Weight:
-
  •     Describe How Apex Classes Are Used
  •     Define an Apex Class
  •     Determine What Data an Apex Class Can Access
Section 8: The Save Order of Execution, Apex Transactions, and Platform Events
Weight:
-
  •     Describe Key Points in the Order of Execution
  •     Describe How Triggers Fit Into and Can Be Impacted by the Order of Execution
  •     Describe the Lifecycle of an Apex Transaction
  •     Describe the Memory Lifecycle for Static Attributes
  •     Use Platform Events for Immediate Error Logging
Section 9: Apex Testing
Weight:
-
  •     Describe the Apex Testing Framework
  •     Create Test Data
  •     Write and Run an Apex Test
  •     Test Best Practices
Section 10: Strategies for Designing Efficient Apex Solutions
Weight:
-
  •     Describe Best Practices for Writing Code That Is Easy to Maintain and Extend
  •     Write Triggers and Classes That Assume Batches of Data as Input
  •     Write Code That Works Efficiently with the Database, Both in Querying and Using DML
Section 11: Trigger Design Strategies
Weight:
-
  •     List Declarative Mechanisms You Can Use to Implement Complex Business Logic, What Types of Problems They’re Best Used for, and Their Limitations
  •     Describe Ways in Which You Can Use Declarative Functionality to Improve Your Programmatic Solutions
Section 12: Working with Visualforce
Weight:
-
  •     Create a Visualforce Page
  •     Reference a Standard Controller
  •     Launch a Visualforce Page Using a Custom Button
  •     Display Data from a Record in a Visualforce Page
  •     Reference Custom Controllers and Controller Extensions
  •     Work with List Controllers
Section 13: Visualforce Development Considerations and Testing
Weight:
-
  •     Describe Common Limit Issues and Security Concerns
  •     Describe Strategies for Testing Visualforce Controllers
  •     Write Tests for Controller Constructors
  •     Write Tests for Action Methods, Getters, Setters, and Properties
Section 14: Lightning Components
Weight:
-
  •     Create and Surface an Aura Component
  •     Create and Surface a Lightning Web Component
Info
https://trailhead.salesforce.com/en/academy/classes/dex450-build-applications-programmatically-on-the-salesforce-platform/