What should you include in the recommendation?

You have an Exchange Server organization. The organization contains servers that have Exchange
Server 2010 and Exchange Server 2016 installed. You establish a hybrid deployment between
Exchange Server and Microsoft Office 365. Some users have on-premises mailboxes and personal
archives in Exchange Online. You discover that you are unable to use In-Place eDiscovery to
search user mailboxes and Exchange Online Archiving archives concurrently. You need to
recommend a solution to ensure that In-Place eDiscovery can search the mailboxes and the
personal archives concurrently. What should you include in the recommendation?

A.
Auth authentication

B.
an organization relationship

C.
a retention policy

D.
the Mailbox Replication service (MRS)