单项选择题

A.comandfabrikam.com.BothforestsrunonlydomaincontrollersthatrunWindowsServer2008.Thedomainfunctionallevelofcontoso.comisWindowsServer2008.Thedomainfunctionalleveloffabrikam.comisWindowsServer2003Nativemode.Youconfigureanexternaltrustbetweencontoso.comandfabrikam.com.YouneedtoenabletheKerberosAESencryptionoption.Whatshouldyoudo()
A.Createanewforesttrustandenableforest-wideauthentication.
B.Raisetheforestfunctionallevelofcontoso.comtoWindowsServer2008.
C.Raisetheforestfunctionalleveloffabrikam.comtoWindowsServer2008.
D.Raisethedomainfunctionalleveloffabrikam.comtoWindowsServer2008.