多项选择题 YouhaveanExchangeServer2007organization.YouinstallanewExchangeServer2010Mailboxserver.YouneedtomoveallmailboxestotheExchangeServer2010server.Whataretwopossiblewaystoachievethisgoal（）？

单项选择题 You have an Exchange Server 2010 organization named contoso.com. Your company is investigating a user named User1. You need to prevent User1 from permanently deleting the items in his mailbox.  What should you run（）？

单项选择题 WhichofthefollowingisafeaturethatenablesanExchange2010mailboxdatabasetobemovedtoandmounted2010Mailboxserverinthesameorganization？（）