You Work at Example

Multiple Choice

You work at Example.com,and are in charge of a fairly large forest and multidomain structure consisting of Windows Server 2003 domain controllers running at the Windows Server 2003 functional level.One of your interns finished installing the forest's first Windows Server 2008 server,and has placed it in a branch office to act as a read only domain controller.The intern has already run the adprep /forestprep command.
Unfortunately,for some reason,the RODC Server can't be installed.What is most likely the issue,based on the information provided?

A) The forest functional level must be Windows Server 2008 or higher.
B) There must be at least one writeable DC running Windows Server 2008
C) adprep /domainprep must be run in each of the domains in the forest
D) RODCs can't be installed in multidomain structures.