What following statement is true about Samba 4?
A. Samba 4 can serve as an Active Directory Domain Controller.
B. Microsoft Windows clients cannot connect to Samba 4 servers.
C. Samba 4 is only a minor update of Samba 3 to fix smaller bugs and contains no new features.
D. Integration of Samba 4 in an existing Active Directory Domain is not possible.