Magento 2 Certified Professional Developer Guide

Section 1: Magento Architecture and Customization Techniques

Section 2: Request Flow Processing

Section 3: Customizing the Magento UI

Section 4: Working with Databases in Magento

Section 5: Using the Entity-Attribute-Value (EAV) Model

Section 6: Developing with Adminhtml

Section 7: Customizing the Catalog

Section 8: Customizing the Checkout Process

Section 9: Sales Operations

Section 10: Customer Management