Pass4training offer you the best valid and useful Salesforce PDI training material
Updated: Sep 07, 2026
No. of Questions: 187 Questions & Answers with Testing Engine
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-platform-dev1---Plat-Dev-201
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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Developer I |
| Exam Number: | PDI |
| Exam Duration: | 105 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | Spanish, Japanese, Portuguese (Brazil), English, German, Simplified Chinese |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Application Architect System Architect Platform Developer II (PDII) |
| Exam Price: | $200 USD |
| Passing Score: | 68% |
| Sample Questions: | Salesforce PDI Sample Questions |
| Exam Way: | Online proctored (PSI) or in-person testing center |
| Pre Condition: | None required. It is recommended to have 1-2 years of hands-on experience with the Salesforce platform before attempting the exam. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platform-developer-one |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Salesforce Fundamentals | 10% | - Describe the declarative configuration options available to customize the UI - Identify the appropriate use case for a custom visualforce versus a standard Lightning component - Describe the capabilities of the core CRM objects in Salesforce - Given a scenario, identify the appropriate field type - Describe the capabilities of the relationship types - Design the data model based on business requirements - Describe the capabilities of the Salesforce UI/Lightning Experience |
| Topic 2: Integration | 10% | - Describe the capabilities of the Salesforce OAuth framework - Describe when and how to use Salesforce Connect/External Objects - Describe the capabilities and use cases for REST API and Batch API - Describe the capabilities and use cases for Apex web services and callouts |
| Topic 3: Testing, Debugging, and Deployment | 14% | - Describe the capabilities and use cases for the Salesforce CLI and Developer Console - Given a scenario, identify appropriate tools for debugging and monitoring errors - Describe the use cases for Salesforce Edge and when to use sandbox vs. production environments - Describe the frameworks and best practices for writing Apex code - Describe the testing requirements for Salesforce and describe the use cases for various testing tools - Describe the capabilities of Salesforce metadata and describe the use cases for change set deployment and package-based deployment |
| Topic 4: Process Automation and Logic | 26% | - Describe the features of the sObject and Apex common library - Given a scenario, describe when and how to use Apex transaction control - Describe the features of the Governor Limits and describe how to write efficient Apex code - Given a scenario, describe when and how to use formula fields, roll-up summary fields, and process automation features - Describe the capabilities and use cases for Apex managed sharing - Describe the syntax of Apex classes and triggers - Describe the key attributes of an Apex class - Describe the capabilities and use cases for the Lightning Flow - Describe the capabilities of Apex and the programmatic capabilities of the Lightning Platform - Describe the capabilities and use cases for VisualFlow - Describe the features of the Salesforce exception handling mechanism |
| Topic 5: Lightning Platform Architecture | 15% | - Describe the capabilities and use cases for the Lightning Framework and event-driven architecture - Describe the Lightning Platform architecture and explain the MVC design pattern - Describe the Salesforce lifecycle and explain how updates and new features are delivered - Describe the architectural considerations when building Lightning components |
| Topic 6: User Interface | 13% | - Describe how to use Salesforce standard events and custom events - Describe the differences between and use cases for Visualforce and Lightning components - Given a scenario, describe how to expose Apex methods as Lightning Component events - Describe the capabilities and use cases for lightning web components - Describe the programmatic capabilities of Visualforce and Lightning Component frameworks |
| Topic 7: Data Modeling and Management | 12% | - Describe the capabilities and use cases for external objects - Describe the options for and considerations when importing and exporting data - Given a set of business requirements, design and implement a schema for custom objects and relationships |
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