Your company has a Microsoft Exchange Server 2010 Service Pack 1 (SP1) organization and a hybrid deployment of office 365. All mailboxes are hosted on Office 365. All user accounts are hosted on-premises.
You need to delete a user account and its associated mailbox. Which tool should you use? replicated to Azure Active Directory. be deleted.

A.
the Exchange Control Panel

B.
the Set-Mailbox cmdlet

C.
the Remove-MailUser cmdlet

D.
Active Directory Users and Computers

Explanation:

In a hybrid deployment of Office 365, the user accounts in the on-premise Active Directory are replicated to the
Azure Active Directory using the Azure Active Directory Sync Tool (DirSync). This enables users to access
Office 365 resources such as Exchange Online mailboxes by using the on-premise Active Directory credentials.
Any changes to a user account must be performed in the on-premise Active Directory. The changes will then be
To delete a user account and mailbox, the user account must be deleted in the on-premise Active Directory.
The user account deletion will be replicated to Azure Active Directory. The Exchange Online mailbox will then