单项选择题
A.Issue a certificate to each user
B.Instruct all OWA users to import a root CA certificate
C.Modify the authentication settings of the OWA virtual directory
D.Configure the Client Access Server to use a certificate issued by a third-party CA
单项选择题 YouhaveanExchangeServer2010organizationthatcontainsthreeMailboxserversnamedMBX1，MBX2，andMBX3.YouconfigureajournalingmailboxonaservernamedMBX3.YouconfigurejournalingonseveralmailboxeslocatedonMBX1andMBX2.YouneedtoensurethatjournalingoccursifMBX3fails.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010organization.YouneedtocreatePersonalArchives.Whichtoolshouldyouuse？（）
单项选择题 YouhaveanExchangeServer2010Mailboxserver.AllusersuseMicrosoftOfficeOutlook2010toaccesstheirmailboxes.Youimplementapolicythatautomaticallydeletese-mailmessagesthatareolderthan90days.Youneedtoprovideuserswithanalternatelocationtostoreemailmessagesthatareolderthan90days.Administratorsmustbeabletofindthemessagesinbothlocationswhentheyperformmulti-mailboxsearches.Whatshouldyoucreate？（）