Expected B2B Commerce Developer Exam Topics, as suggested by Salesforce :

• Module 1: Checkout Flow Development: In this topic, Salesforce developers learn how to customize existing checkout flows to meet common customer needs and ensure an optimal storefront experience. Moreover, the topic explains how modifying these flows can streamline user journeys during checkout. Lastly, this topic provides knowledge about the methods and tools necessary to optimize these processes for a seamless payment experience.
• Module 2: Reference Implementations: In this topic, candidates gain insight into the four critical reference implementations used in checkout and payment interfaces. Moreover, the topic explains each supported action in-depth, helping developers apply proper code solutions.
• Module 3: Basic Lightning Web Component Development: In this topic, Salesforce developers learn how to enhance the storefront experience by improving existing Lightning Web Components. The topic explains the use of component development to optimize user interfaces and interactions. Lastly, this topic provides essential knowledge for ensuring intuitive and efficient storefront features with minimal development overhead.
• Module 4: Advanced Lightning Web Component Development: This domain explore how to create new, custom Lightning Web Components to further improve the storefront experience. It also explains advanced development techniques that allow for greater flexibility in interface design. Lastly, this topic equips developers with in-depth knowledge to design tailored, high-performing storefronts suited to business requirements.
• Module 5: Data Management: Aspiring Salesforce developers learn strategies for intelligent data management related to relationships and integrations. Additionally, the topic explains how effective data management supports the creation of a fully functional B2B storefront.
• Module 6: Error Handling and Diagnostics: This section explores methods for troubleshooting the B2B Commerce system using various diagnostic tools. Moreover, the topic explains how to identify, resolve, and prevent common errors to ensure system stability. This topic also provides practical knowledge to maintain the health and reliability of the B2B Commerce environment for optimal performance.