You work as the exchange administrator at company.com.the company.com network contains an exchange server 2010 organization.company.com has its headquarters in london where you are located.during the course of the day you receive notification from management to view the number of mailboxes on the servers that exceeds 1 gb in size.what should you do？（）

You have an Exchange Server 2010 organization that contains 20 mailbox databases. You configure each database to retain all deleted items for 30 days.You need to ensure that all items that pass the retention period are permanently deleted daily between 02：00 and 06：00. Which cmdlet should you use？（）

You have a hosted Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed.You need to prevent a user named User1 from using Outlook Web App （OWA） to access his mailbox. What should you do？（）

Your company has a main office and a branch office. All branch office administrators are members of a custom management role group.The role group is configured to allow members to manage recipients.The branch office administrators are also members of The Domain Admins security group. The organization contains one Exchange Server 2010 server. You discover that the branch office administrators can manage recipients in both offices. You need to ensure that the branch office administrators can manage recipients in their assigned branch office only.What should you do？（）

You have an Exchange Server 2010 Service Pack 1 organization named contoso.com.All users have the  contoso.com e-mail address suffix. You discover that both anonymous and authenticated users can post content to a public folder named Folder1 by sending e-mail messages to folder1@contoso.com.You need to prevent all users from posting content to Folder1 by sending e-mail.What should you do？（）

You have an Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed. The organization contains a database availability group （DAG） named DAG1.DAG1 contains three Mailbox servers including a server named Server1. Server1 fails.You restore Server1.You need to ensure that Server1 can replicate mailbox databases from DAG1. What should you do first？（）

You have two Exchange Server 2010 Mailbox servers named Server1 and Server2.You need to move a users mailbox from Server 1 to Server 2.Your solution must minimize down time for the user.Which cmdlet should you run？（）

You have an Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed.All servers run Windows Server 2008 R2.The organization contains Mailbox servers， Client Access servers， and Hub Transport servers only.You need to identify which user accounts are associated with the largest mailboxes in the organization. What should you do？（）

You have an Exchange Server 2010 organization that contains five Mailbox servers.Your Active Directory domain contains five domain controllers in a single site. You create a new mailbox database.You notice that the database fails to mount. You need to ensure that the database mounts as soon as possible. What should you do？（）

You have a hosted Exchange organization that contains 10，000 mailboxes.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed. You need to retrieve the following information for the organization：  （1）The IP addresses of all client connections  （2）The network latency for all MAPI connections  （3）The version of Microsoft Outlook that is used to access all of the mailboxes What should you use？（）