单项选择题
A.content filtering
B.recipient filtering
C.sender filtering
D.sender reputation
单项选择题 YourcompanyhasanExchangeServer2010HubTransportservernamedHub1.Hub1receivesalle-mailsenttothecompanyfromtheInternet.Youinstalltheanti-spamagentsonHub1.YouneedtoensurethatHub1onlyacceptsmessagessenttoe-mailaddresseslistedinActiveDirectory.Whatshouldyoudo？（）
单项选择题 Yournetworkhastwomainoffices.EachofficeisconfiguredasaseparateActiveDirectorysitenamedSite1andSite2.EachsitecontainsanExchangeServer2010HubTransportserver.YouneedtopreventauserfromSite1fromsendingane-mailmessagethatcontainsthewordbudgettoauserfromSit.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010EdgeTransportservernamedEdge1.ApartnerorganizationhasanotherExchangeServer2010EdgeTransportservernamedEdge2.YouneedtoencryptallSMTPcommunicationbetweenEdge1andEdge2.Thesolutionmustensurethatbothserversuseatrustedcertificate.Whatshouldyoudo？（）