A.FromtheExchangeManagementShell，runtheGet-Mailboxcmdlet.
B.FromtheExchangeManagementShell，runtheGet-MailboxStatisticscmdlet.
C.FromtheExchangeManagementConsole（EMC），createarecipientfilter.
D.FromtheExchangeManagementConsole（EMC），viewthepropertiesofthemailboxdatabase.
参考答案：B
