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About the Salesforce Platform Developer II CertificationThe Salesforce Platform Developer II certification recognizes individuals with advanced development skills on the Lightning Platform, especially those who can build complex business logic and custom interfaces. Candidates for this certification are expected to follow best practices in object-oriented programming, design scalable and maintainable solutions, and apply effective data modeling techniques.To earn this certification, you must first hold the Salesforce Platform Developer I credential.The Platform Developer II certification includes two components: a multiple-choice exam and the completion of the Advanced Apex Specialist superbadge on Trailhead. These can be completed in any order. Once both are successfully finished, the Platform Developer II certification is awarded automatically.To begin working on the required superbadge, log into your Trailhead account or create one if you don't already have one.Who Should Take the Salesforce Platform Developer II ExamThis exam is intended for professionals who have hands-on experience building custom apps on the Lightning Platform and are familiar with the concepts and skills covered in the exam topics.Typically, candidates have 2-4 years of development experience, with at least one year focused on the Salesforce Platform, including app design, development, and deployment.Qualified candidates are able to:Apply best practices in data modeling, UI/UX design, development, and testing within Salesforce environmentsDesign effective solutions that meet business needs by leveraging both declarative and programmatic platform featuresWrite scalable Apex code and understand platform limits, behaviors, and performance factorsHandle large volumes of data (typically around 300,000-480,000 records) with performance in mindBuild and enhance user interfaces using Lightning Web Components, Aura components, advanced Visualforce, JavaScript, and CSSTune Visualforce pages and understand the impact of controller architecture on performanceApply security best practices specific to web and Salesforce developmentDevelop complex sharing logic using both declarative tools and custom codeCreate and execute test strategies that ensure high-quality, secure, and scalable application behaviorUse Jest for testing Lightning Web ComponentsUnderstand the Salesforce development lifecycle, deployment tools, and when to use themWork with Apex SOAP and REST web services, and implement callouts using those protocolsImplement asynchronous operations including queueable, batchable, schedulable, and @future methodsApply appropriate error handling techniques in different programmatic contextsFollow best practices for trigger development, use of design patterns, and code reusabilitySurface components (Lightning Web, Aura) in Lightning pages, Visualforce, and Quick ActionsExam DetailsHere's what you need to know about the Platform Developer II exam:Number of Questions: 60 scored questions, plus up to 5 unscoredDuration: 120 minutesMinimum Passing Score: 70%Exam Version: Aligned with the Winter '24 releaseRegistration Fee: $200 USD (plus taxes, where applicable)Retake Fee: $100 USD (plus taxes)Delivery Format: Available in-person at testing centers or online with remote proctoringReference Material: No books or online content allowed during the examPrerequisite: You must already hold the Salesforce Certified Platform Developer I credentialNote: You can provide comments and feedback on individual exam questions during the test session.Exam OutlineThe Salesforce Platform Developer II Exam measures a candidate's knowledge and skills related to the following objectives. A candidate should have hands-on experience developing custom applications on the Lightning Platform and have demonstrated the application of each of the features/functions below.Advanced Developer Fundamentals: 15%Demonstrate knowledge of localization and multi-currency features and capabilities and how they affect coding.Given a scenario, justify using sharing objects and Apex managed sharing.Given a scenario, identify best practices for various types of custom metadata and custom settings, and how to implement required solutions.Process Automation, Logic, and Integration: 27%Given a scenario, identify the considerations of interactions between multiple processes, both declarative and programmatic.Given a scenario, propose and justify the optimal programmatic or declarative solution.Demonstrate knowledge of the best practices for writing Apex triggers.Describe the Apex features available for error handling and maintaining transactional integrity.Demonstrate how and where to use advanced keywords in a SOQL query structure.Analyze a set of requirements and determine the benefits of using asynchronous Apex coding.Given a scenario and requirements, identify the appropriate dynamic Apex feature to use in the solution.Given a scenario, identify the appropriate publish / subscribe logic for platform events.Given a scenario, apply programmatic integration techniques and platform features for inbound and outbound communication.User Interface: 20%Given requirements and code snippets for a Lightning web component or Aura component and its Apex controller class, analyze and determine necessary changes to the Apex class.Identify the techniques for using Visualforce to perform actions, partial page refreshes, and asynchronous operations.Given a scenario, identify best practices for displaying errors in the user interface.Given a set of requirements, select the appropriate Lightning web component, Aura component, or Visualforce solution and describe its benefits.Given a scenario, describe the aspects of Lightning web components or Aura components that can be used to cause elements in a component's markup to display in a responsive manner based on a device's form factor.Given a scenario, implement the correct method to communicate events through Lightning web components or Aura components.Describe the purpose and benefit of static resources in Visualforce, Lightning web components, and Aura components.Testing, Debugging, and Deployment: 20%Apply advanced techniques and tools for testing Apex classes and triggers, such as mocks and stubs.Apply techniques and tools for testing and debugging Lightning web components, Aura components, and Visualforce controllers, Visualforce controller extensions, and JavaScript.Given a scenario, Apex code, Apex trigger, or Apex test that is not executing as expected, apply techniques and tools to isolate and identify the root cause.Given a scenario, formulate the deployment process, supporting tools, and mechanisms for source-driven development.Performance: 18%Identify the common performance issues for user interfaces and demonstrate knowledge of techniques and tools to mitigate them.Given a scenario, choose the appropriate logic and query structure to maximize application performance and handle large data volumes.Analyze a given scenario and determine performance improvements that can be achieved with an asynchronous callout.Select scenarios where code reuse is applicable and how the reuse should be implemented.Given sample code, identify inefficiencies and demonstrate the ability to resolve them.

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