Your company has a hybrid Office 365 deployment with an on-premise deployment of Microsoft Exchange Server 2010 Service Pack 1 (SP1). All user mailboxes are hosted on Office 365. All user accounts are hosted on-premise. You need to delete a user account and its associated mailbox. What tool should you use?

A. The Active Directory Users and Computers MMC snap-in
B. Microsoft Exchange Control Panel
C. The Remove-MsolUser Windows PowerShell cmdlet
D. The Set-Mailbox Windows PowerShell cmdlet

Correct Answer: A

Explanation/Reference:

All user accounts are hosted on-premise. All you need to do is delete the user in AD then either wait for DirSync to run or force a DirSync via PowerShell.