You need to configure the user accounts of the sales department users to meet the security requirements.
What should you do for each user?
A . From the Microsoft Teams admin center, set the Microsoft Teams upgrade policy to Skype for Business with Teams collaboration and meetings coexistence mode.
B . From PowerShell, run the Grant-CsTeamsUpgradePolicy -PolicyName SfBWithTeamsCollab cmdlet.
C . From PowerShell, run the Grant-CsTeamsUpgradePolicy -PolicyName Islands cmdlet.
D . From the Microsoft Teams admin center, set the Microsoft Teams upgrade policy to Skype for Business coexistence mode.
Answer: A
Explanation:
Reference: https://docs.microsoft.com/en-us/microsoftteams/teams-and-skypeforbusiness-coexistence-andinteroperability