You have a Microsoft Exchange Server 2019 organization. You plan to purchase a Microsoft 365 E5 subscription and create a hybrid deployment. You are evaluating the security requirements for communication between the on-premises organization and Exchange Online. You need to ensure that Exchange Online services can access the necessary on-premises virtual directories. Which two on-premises virtual directories should be accessible to Exchange Online services? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

A. Rpc
C. PowerShell
D. ecp
E. mapi
F. Autodiscover

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