单项选择题
A.Remove MBX1 from DAG1.
B.Remove all mailbox database copies from DAG1.
C.Remove the computer account for MBX1 from Active Directory.
D.Run the Clean-MailboxDatabase cmdlet on all other members of DAG1 except MBX1.
单项选择题 YouhaveanActiveDirectoryforestthatrunsWindowsServer2008.YouhaveanExchangeServer2010organizationthatcontainsaHubTransportservernamedHub1.Hub1fails.AnadministratordeletesthecomputeraccountandallotherreferencesofHub1fromActiveDirectory.YouneedtoreplacetheHubTransportserverroleonanewserver.Youmustachievethisgoalbyusingtheminimumamountofadministrativeeffort.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010ClientAccessservernamedCAS1.CAS1fails.YouinstallanewmemberservernamedCAS1onthenetwork.YouneedtorecovertheClientAccessserverroleonCAS1.Whatshouldyoudo？（）
单项选择题 YournetworkcontainsanExchangeServer2010EdgeTransportservernamedServer1.YouinstallanewExchangeServer2010EdgeTransportservernamedServer2.YouneedtocopytheEdgeTransportconfigurationsfromServer1toServer2.WhatshouldyoudoonServer1？（）