You need to configure the environment to meet the security requirements for the R&D group.
What should you do first?
Create information barrier segments first, then create information barrier policy based on the segments then start the information barrier application.
https://docs.microsoft.com/en-us/microsoft-365/compliance/information-barriers-policies
You need to configure the user accounts of the sales department users to meet the security requirements.
What should you do for each user?
You need to resolve the notification issues identified during the pilot project.
What should you modify?
You need to configure the environment to meet the technical requirements for guest users.
What should you modify from the Microsoft Teams admin center?
Microsoft Teams admin center > Org-wide settings > Guest access > Make private calls = off.
You need to resolve the membership issues for the two pilot users.
What should you do?