Your company purchases an Office 365 plan. The company has an Active Directory Domain Services domain.
User1 must manage Office 365 delegation for the company.
You need to ensure that User1 can assign administrative roles to other users. What should you do?
A. Create an Office 365 tenant and assign User1 the service administrator role.
B. Use an existing user management administrator account to assign a role with the correct permissions to User1
C. Create an Office 365 tenant and assign User1 the global administrator role.
D. Create an Office 365 tenant and assign User1 the user management administrator role.
