# Salesforce Platform Developer I Practice Exam *Last updated September 2026 · https://www.certifyforce.com/salesforce-platform-developer-1-practice-exam* The Salesforce Platform Developer I certification is an intermediate Salesforce credential with no prerequisite. It is focused on developing custom applications on the Salesforce platform using Apex and Visualforce. The exam has 60 scored questions plus 5 unscored questions, a 105-minute time limit, and a 68% passing score. Its official outline covers 4 weighted sections, the largest being Process Automation and Logic at 28% of the exam. Platform Developer I proves you can build custom applications with Apex, Lightning Web Components, and declarative tools. The exam is scenario-heavy — reading about Apex is not the same as recognizing the right governor-limit-safe pattern under time pressure. ## How long is the Platform Developer I exam and what score do you need? | Fact | Value | | --- | --- | | Certification | Salesforce Platform Developer | | Formerly | Salesforce Certified Platform Developer I | | Level | Intermediate | | Prerequisite | None | | Scored questions | 60 | | Unscored questions | 5 | | Time limit | 105 minutes | | Passing score | 68% | | Registration cost | USD $200 | | Retake cost | USD $100 | | Exam outline sections | 4 | Facts last verified against the [official Salesforce exam guide](https://help.salesforce.com/s/articleView?language=en_US&id=005298965&type=1) in July 2026. ## What is on the Salesforce Platform Developer I exam? The official outline has 4 weighted sections. Mock exams draw questions in these proportions, so practice mirrors the real exam. | Exam section | Weight | | --- | --- | | Developer Fundamentals | 27% | | Process Automation and Logic | 28% | | User Interface | 25% | | Testing, Debugging, and Deployment | 20% | ### Developer Fundamentals (27%) - Understand multi-tenant concepts and design frameworks, such as MVC architecture and Lightning Component Framework. - Given a scenario, identify common use cases and best practices for declarative versus programmatic customizations, including governor limits, formula fields, and roll-up summaries. - Given a scenario, determine, create, and access the appropriate data model including objects, fields, relationships, and external IDs. - Understand use cases and limitations of using Agentforce for Developers. ### Process Automation and Logic (28%) - Identify the capabilities of the declarative process automation features. - Understand how to declare variables, constants, methods, modifiers, Apex interfaces, and the appropriate use cases for each. - Given a scenario, assess how Apex control flow statements will execute and when to apply different control flow statements. - Given a scenario, write SOSL, SOQL, and DML statements in Apex, and assess what they will return. - Given a scenario, follow best practices to write Apex classes and triggers. - Given a scenario, understand governor limits and their implications on Apex transactions. - Describe the relationship between Apex transactions, the save order of execution, and the potential for recursion and/or cascading. - Implement exception handling in Apex, including custom exceptions as needed. - Given a scenario, use declarative functionality and Apex together to automate business logic. ### User Interface (25%) - Given a scenario, prevent user interface and data access security vulnerabilities. - Given a scenario, display and use custom user interface components, including Lightning components, Flow, and Visualforce. - Describe the use cases and best practices for Lightning Web Components, including the framework, benefits, and events. - Given a scenario, implement Apex to work with various types of page components, including Lightning components, Flow, and Agentforce. ### Testing, Debugging, and Deployment (20%) - Write and execute tests for triggers, controllers, classes, and flows using various sources of test data. - Given a scenario, know how and when to use the Salesforce Developer tools such as Salesforce DX, Salesforce CLI, and Developer Console. - Describe how to approach debugging system issues and monitoring flows, performance, asynchronous, and batch jobs. - Describe the environments, requirements, and process for deploying code and associated configurations. ## How many reviewed Platform Developer I practice questions are there? 312 reviewed questions. Every question follows the current official Platform Developer I exam outline and is checked against Salesforce documentation before it is published. A full practice exam has 60 questions and a 105-minute time limit, with the same mix of sections as the real exam. You can also practice one section at a time. | Exam section | Weight | Reviewed questions | | --- | --- | --- | | Developer Fundamentals | 27% | 84 | | Process Automation and Logic | 28% | 88 | | User Interface | 25% | 78 | | Testing, Debugging, and Deployment | 20% | 62 | | Total | 100% | 312 | ## Common questions about the Platform Developer I exam ### How many questions are on the Salesforce Platform Developer I exam? The Platform Developer I exam has 60 scored questions plus 5 unscored questions, with a time limit of 105 minutes. ### What is the passing score for the Platform Developer I exam? The passing score is 68%. Certifyforce's readiness score weights your practice results by the official section weights so you know whether you'd clear that bar. ### How much does the Platform Developer I exam cost? Registration is USD $200 plus applicable taxes, and retakes cost USD $100. Quality practice is the cheapest way to avoid paying for a retake. ### Is there a prerequisite for the Platform Developer I exam? No. The Platform Developer I exam has no certification prerequisite. Salesforce positions it as a intermediate credential. ### How many practice questions are in the Platform Developer I question bank? 312 reviewed questions across all 4 sections of the current official exam outline. Every question is checked against Salesforce documentation before it is published. A timed practice exam draws 60 questions and gives you 105 minutes, with the same mix of topics as the real exam. ### Are these real exam questions or braindumps? No. Certifyforce writes original practice questions aligned to the official exam outline. Using leaked exam questions (dumps) violates the Salesforce certification agreement and can get your credentials revoked — original scenario practice builds the same skills without the risk. ### What topics are on the Platform Developer I exam? The exam covers 4 sections: Developer Fundamentals (27%), Process Automation and Logic (28%), User Interface (25%), Testing, Debugging, and Deployment (20%). ### How is Certifyforce different from other practice exams? The Platform Developer I questions follow the current official exam outline. Every question is reviewed by a person and checked against Salesforce documentation. You can see your score by section and practice the topics you missed without taking the full exam again. ## Related pages - [Salesforce Salesforce Developer certification path](https://www.certifyforce.com/salesforce-certifications/developer) - [Salesforce JavaScript Developer practice exam](https://www.certifyforce.com/salesforce-javascript-developer-1-practice-exam) - [Salesforce Platform Developer II practice exam](https://www.certifyforce.com/salesforce-platform-developer-2-practice-exam) - [All Salesforce certifications](https://www.certifyforce.com/salesforce-certifications) - [Official Platform Developer I exam guide](https://help.salesforce.com/s/articleView?language=en_US&id=005298965&type=1)