YouhaveanExchangeServer2010Mailboxserver.AllusersuseMicrosoftOfficeOutlook2010toaccesstheirmailboxes.Youimplementapolicythatautomaticallydeletese-mailmessagesthatareolderthan90days.Youneedtoprovideuserswithanalternatelocationtostoreemailmessagesthatareolderthan90days.Administratorsmustbeabletofindthemessagesinbothlocationswhentheyperformmulti-mailboxsearches.Whatshouldyoucreate?()
A. a.pstfileforeachuserthatisstoredinasharedfolder
B. aPersonalArchiveforeachuser
C. ajournalrule
D. aRetentionPolicy