单项选择题 You have an Exchange Server 2010 organization that contains 1，500 mailboxes. The average sizeeach mailbox is a 750 MB. All users run either Microsoft Office Outlook 2010 or Outlook Web App to access their e-mail. All users who run Outlook 2010 are configured to use Cached Exchange Mode. You need to configure a mailbox solution for the organization to meet the following requirements： Ensure that administrators can search and find any message Reduce the size of the offline store （OST） for each user Provide access to all e-mail messages by using either Outlook 2010 or Outlook Web App  What should you do（）？

单项选择题 WhichofthefollowingcmdletswillyouusetocheckallaspectsofthereplicationandreplaystatustoprovideacorMailboxserverinadatabaseavailabilitygroup（DAG）？（）

单项选择题 WhichofthefollowingfeaturesenablesyoutomodifytheaddressesofsendersandrecipientsonmessagesthatExchange2010organization？（）