单项选择题
A.Upgrade all Client Access servers in the organization to Exchange Server 2007 Service Pack 2 （SP2）.
B.Upgrade all Exchange Server 2007 servers in Site1 to Exchange Server 2007 Service Pack 2 （SP2）.
C.Upgrade all Exchange Server 2007 servers in the organization to Exchange Server 2007 Service Pack 2 （SP2）.
D.Upgrade all Exchange Server 2007 servers in Site1 and all Client Access servers in the organization to Exchange Server 2007 Service Pack 2 （SP2）.
单项选择题 InanorganizationwithExchangeServer2010existsEdgeTransportServernamedServer1.ApartnerorganizationhasExchangeServer2010EdgeTransportServernamedServer2.YouneedtoencryptSMTPcommunicationbetweenServer1andServer2.Thesolutionmustensurethatbothserversuseatrustedcertificate.Whatshouldyoudo？（）
单项选择题 AnorganizationhasExchangeserver2010.NetworkcontainsinternalrootCertificationAuthorization（CA）.UsersonnetworkuseOutlookAnywhere.ACASserverusesawildcardcertificateissuedbyatrustedthirdpartyrootCA.Youneedtoensurethatuserscansendandreceiveencryptede-mailmessagesbyusingS/MIME.Whatshouldyoudo？（）
单项选择题 You have an Exchange organization that contains Exchange 2000 Server and Exchange Server 2003 Service Pack 2 （SP2） servers. You plan to transition the organization to Exchange Server 2010. You need to prepare the Exchange organization for the deployment of Exchange Server 2010 Mailbox， Client Access， and Hub Transport servers. What should you do first（）？