Which two components should you configure for the planned implementations?

You have a Microsoft Exchange Server 2019 organization. You purchase a Microsoft Office 365 E5 subscription. You plan to implement Exchange Modern Hybrid and free/busy sharing.

Which two components should you configure for the planned implementations? Each correct answer

presents part of the solution. NOTE: Each correct selection is worth one point.
A . a sharing policy
B . a federation trust
C . a relying party trust
D . Active Directory Lightweight Directory Services (AD LDS)
E . an organization relationship

Answer: BE

Explanation:

References:

https://docs.microsoft.com/en-us/exchange/shared-free-busy