* B is correct because Project Management is one of the SAP Activate workstreams. The Project Management workstream covers all the activities related to planning, executing, monitoring, controlling, and closing the project. It includes tasks such as defining project scope, schedule, budget, resources, risks, issues, quality, communication, and stakeholder management.
* D is correct because Data Migration is one of the SAP Activate workstreams. The Data Migration workstream covers all the activities related to preparing, extracting, transforming, validating, and loading data from legacy systems to SAP systems. It includes tasks such as defining data migration strategy, scope, approach, tools, roles, responsibilities, quality criteria, and testing scenarios. Verified References:
* : SAP Activate Methodology Workstreams Names update
* : SAP Activate Testing Workstream

* C is correct because user story mapping is a technique that helps a Scrum team to prioritize a large, flat backlog. User story mapping is a process of creating a visual representation of the user stories, grouped by themes, epics, and features, and ordered by value and dependency. It helps the team to understand the big picture and focus on the most important user stories for each sprint. Verified References:
* : User Story Mapping

According to the SAP Activate methodology for SAP S/4HANA Cloud, the Explore phase is where you collect the main attributes of the product as per the Agile definition. The main attributes of the product are the features, requirements, and user stories that describe what the product should do and how it should deliver value to the customers and stakeholders. The Explore phase involves a fit-to-standard process, where you validate the fit of your business processes to the standard SAP solution and identify any gaps or extensions that need to be addressed. You also prioritize and refine your product backlog, which is a list of user stories that represent the work needed to achieve the product vision1.

* A is correct because the scrum master is a new project role that is introduced with the SAP Activate methodology for the Agile delivery approach, compared to Waterfall. The scrum master is responsible for facilitating and coaching the Scrum process, removing impediments, and ensuring the team's adherence to the Agile principles.
* B is correct because the product owner is a new project role that is introduced with the SAP Activate methodology for the Agile delivery approach, compared to Waterfall. The product owner is responsible for defining and prioritizing the product backlog, accepting or rejecting the user stories, and providing feedback and guidance to the team. Verified References:
* : SAP Activate Project Management Certification Guide, page 111

C is correct because in the Prepare phase, the customer will develop a preliminary strategy for building a target Operations and Support organizational model. The Operations and Support organizational model is a structure that defines the roles, responsibilities, processes, and tools for operating and supporting the solution after go-live. The preliminary strategy helps to identify the current and future state of the model, as well as the gaps and actions that need to be addressed.