YouhaveanExchangeServer2010organizationthatcontains20mailboxdatabases.Youconfigureeachdatabasetoretainalldeleteditemsfor30days.Youneedtoensurethatallitemsthatpasstheretentionperiodarepermanentlydeleteddailybetween02：00and06：00.Whichcmdletshouldyouuse？（）
A.Set-MailboxDatabase
B.Set-MailboxServer
C.Set-OrganizationConfig
D.Set-RetentionPolicy
正确答案：参考A
