单项选择题
A.From the command Prompt on server1，run net start MsExchangePOP3
B.From the command Prompt on Server2，run net start MsExchangePOP3
C.On Server1 and Server2，modify the properties of the MsExchangePOP3（TCP-in） Windows Firewall rule
D.On Server1，modify the properties of the MsExchangeIMAP4（TCP-in） Windows Firewall rule.On server2， modify the properties of the client receive connector
单项选择题 YouhaveanExchangeorganizationthatcontainsanExchangeServer2003SP2.AllserversaremembersofoneAdministrativeGroupandoneRoutingGroup.YouplantotransitiontheorganizationtoExchangeServer2010.YouneedtopreparetheExchangeorganizationforthedeploymentofExchangeServer2010mailbox，ClientAccessandHubTransportsservers.Whatshouldyoudofirst？（）
单项选择题 YouinstallanewExchangeserver2010organizationthatcontainstwoHubTransportserversnamedHub1andHub2.Hub1andHub2areconfiguredasmailserversforyourorganizationinthepublicDNSzone.YounoticethatHub2rejectsallSMTPconnectionsfrominternethosts.WhatShouldyoudo？（）
单项选择题 YouhaveanExchangeserver2010organization.UsersuseMicrosoftOutlook2010andOutlookWebApplication（OWA）toconnecttotheservers.Youcreateamail-enableddistributiongroupnamedEXECSthatcontainsallthecompanyexecutives.Youneedtoensurethatallusersarenotifiedbeforeane-mailisforwardedtotheEXECSdistributiongroup.Whatshouldyoudo？（）