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 :
: User Story Mapping

B is correct because Focused Build for SAP Solution Manager is a tool that supports the management of requirements and software development for implementation projects. It provides features such as requirements-to-deploy process, collaboration platform, quality gate management, and test management.
D is correct because SAP Cloud ALM is a tool that supports the management of requirements and software development for implementation projects. It provides features such as project task management, solution documentation, change request management, and test management. Verified :

B is correct because asking questions is one of the collaboration features that are available in the SAP Community. The SAP Community allows users to post questions on various topics and get answers from other users, experts, or moderators.
C is correct because commenting on key deliverables is one of the collaboration features that are available in the SAP Community. The SAP Community allows users to comment on the key deliverables that are published by SAP or other users, such as blog posts, articles, videos, podcasts, or webinars. Verified :
: SAP Community Home