You are employed as an administrator at ABC.com. ABC.com network has an Active Directory
Domain Service (AD DS) domain, named ABC.com. The ABC.com network includes an onpremises Exchange 2010 server, and all servers have Windows Server 2008 installed.
You have been instructed to migrate to Office 365.
Which of the following actions forms part of the pilot planning stage? (Choose all that apply.)
A.
Prepare the on-premises Active Directory for directory synchronization.
B.
Upgrade the Exchange server to Exchange 2013.
C.
Assign licenses to users.
D.
Raise the functional level of the forest to Windows Server 2008.