Salesforce Certified Platform Developer I Practice Test

What this exam covers

**Salesforce Certified Platform Developer** exam prep prepares you to demonstrate the skills needed to develop, test, and deploy business logic and user interfaces using the programmatic capabilities of the **Lightning Platform**. This course covers the full exam blueprint, giving you working knowledge of Apex, data modeling, declarative-versus-programmatic decision-making, and custom UI development so you can approach real-world scenarios with confidence. The exam measures competency across four major domains: - **Developer Fundamentals** (27%) — multi-tenant concepts, MVC and Lightning Component Framework, data modeling, declarative vs. programmatic customization, and Agentforce for Developers - **Process Automation and Logic** (28%) — declarative automation, Apex variables/control flow/interfaces, SOSL/SOQL/DML, governor limits, transaction order of execution, exception handling, and combining declarative tools with Apex - **User Interface** (25%) — UI/data security, Lightning components, Flow, Visualforce, Lightning Web Components, and Apex integration with page components including Agentforce - **Testing, Debugging, and Deployment** (20%) — writing tests for triggers/classes/flows, using Salesforce DX, Salesforce CLI, and Developer Console, debugging and monitoring, and deployment processes Candidates typically bring **1–2 years of developer experience** and **at least 6 months of hands-on experience on the Lightning Platform**, including familiarity with object-oriented languages (Apex, Java, JavaScript, C#, TypeScript), relational databases, and MVC/component-based architectures. The source material doesn't specify question count, exam duration, or passing score, so be sure to confirm those logistics directly with **Salesforce** before scheduling.