Exam Name: Salesforce Certified Platform Developer II

Exam Code: Salesforce Certified Platform Developer II (Plat-Dev-301)

Related Certification(s): Salesforce Platform Developer II Certification

Certification Provider: Salesforce

Actual Exam Duration: 120 Minutes

Number of Salesforce Certified Platform Developer II (Plat-Dev-301) Practice Questions: 202 (updated: )

Recomended Salesforce Certified Platform Developer II (Plat-Dev-301) Exam Topics:
Topic 1: Advanced Developer Fundamentals
This topic assesses your mastery of foundational Salesforce developer concepts, including localization, sharing mechanisms, and advanced Apex coding practices. Through scenario-based questions, Salesforce developers will justify solutions, analyze Apex features, and evaluate integration techniques.
Topic 2: Process Automation, Logic, and Integration
Your understanding of both declarative and programmatic interactions will be assessed through scenario-based challenges. You must showcase best practices in Apex triggers, error handling, and transactional integrity. Additionally, you will apply advanced SOQL, asynchronous Apex techniques, and dynamic Apex features to solve complex problems. Finally, your ability to implement publish/subscribe logic and programmatic integration for inbound and outbound communication will be evaluated.
Topic 3: User Interface
This topic evaluates the ability of Salesforce developers to design and optimize Salesforce UI components using Lightning Web Components, Aura, and Visualforce. Salesforce developers will identify best practices, responsive design techniques, and methods to ensure seamless communication between components. Excelling here demonstrates your expertise in building dynamic, user-friendly Salesforce interfaces.
Topic 4: Testing, Debugging, and Deployment
This topic challenges developers to implement advanced testing techniques and debugging strategies for Apex, Lightning components, and Visualforce. You’ll address real-world scenarios requiring error isolation and optimized deployment processes. Mastery here highlights your readiness to deliver reliable and maintainable Salesforce solutions in professional environments.
Topic 5: Performance
This topic measures your skills in optimizing Salesforce application performance. You will identify and resolve inefficiencies, design scalable solutions, and enhance system responsiveness. Success here underscores your ability to tackle complex performance challenges in large-scale Salesforce implementations.
Free Salesforce Certified Platform Developer II (Plat-Dev-301) Exam Actual Questions
Note: Salesforce Certified Platform Developer II (Plat-Dev-301) Premium Questions were last updated on

Q1. Which two best practices should the developer implement to optimize this code?

Choose 2 answers

Q2. A developer has a test class that creates test data before making a mock callout but now receives a ‘You have uncommitted work pending. Please commit or rollback before calling out’ error.

Which step should be taken to resolve the error?

Q3. How can a developer efficiently incorporate multiple JavaScript libraries in an Aura component?

Q4. A developer implemented a custom data table in a Lightning web component with filter functionality.

However, users are submitting support tickets about long load times when the filters are changed.

The component uses an Apex method that is called to query for records based on the selected filters.

What should the developer do to improve performance of the component?

Q5. A company has a Lightning page with many Lightning Components, some that cache reference data.

It is reported that the page does not always show the most current reference data.

What can a developer use to analyze and diagnose the problem in the Lightning page?