You are the network administrator for ABC.com., a company that buys and sells event tickets on the secondary market. Your company has three domains: ABC.com, sportstickets.ABC.com and concerttickets.ABC.com. All of the domain controllers in the sportstickets.ABC.com domain are running either Windows 2000 Server, Windows Server 2003, or Window Server 2008.
You want to install a read-only domain controller (RODC) in the sportstickets.ABC.com domain. What must you do to meet the minimum required configuration? (Choose three. Each answer is part of a single solution.)
A.
Upgrade all domain controllers in the sportstickets.ABC.com domain to Windows Server 2008.
B.
Replace at least one domain controller in the sportstickets.ABC.com domain with Windows Server 2008 domain controllers.
C.
Run adprep /rodcprep before you install the RODC.
D.
Raise the domain level of the sportstickets.ABC.com domain to Windows Server 2008.
E.
Raise the domain level of the sportstickets.ABC.com domain to Windows Server 2003.