
Explanation/Reference:
Explanation:
Box1
The Hybrid Configuration Wizard must be downloaded and run via an existing Exchange server in your on- premises organization.
Box2
The target computer for installing AAD Sync can be stand-alone, a member server or a domain controller.
Because the requirements state that fewest additional servers must be used, the domain controller option works.
The Password synchronization feature of the AAD Sync tool allows for the end-user to use the same password on-premises and in the cloud but only manage it in one location.
Box3
When you move mailboxes between the on-premises and Exchange Online organizations, you use migration batches to perform the remote mailbox move request.
References:
https://technet.microsoft.com/en-us/library/jj200787(v=exchg.150).aspx
https://blogs.technet.microsoft.com/canitpro/2014/09/29/step-by-step-setting-up-the-new-azure-ad-sync- tool/
https://technet.microsoft.com/en-us/library/o365e_hrcmoverequest_fl312271(v=exchg.150).aspx