What key issue must be addressed during the In-Brief Meeting for assessment preparation?

The key issue that must be addressed during the In-Brief Meeting for assessment preparation is the introduction of assessment team members. This meeting serves as an essential starting point for the assessment process, where all team members gather to establish roles, responsibilities, and points of contact. By introducing team members, it ensures that everyone involved understands who is responsible for what aspects of the assessment, which fosters communication and collaboration throughout the assessment period.

This introduction is crucial for clarifying lines of authority and accountability, which can streamline processes during the actual assessment. Additionally, having a clear understanding of each member's expertise allows the team to leverage individual strengths during the evaluation, leading to a more efficient and thorough assessment.

The other topics, while potentially pertinent to the broader context of the CMMC landscape or the methodologies employed, do not directly influence the immediate workflow and coordination vital for the assessment process, making them less critical at this stage.