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 two Mailbox servers named Server1 and Server2.Five mailbox databases are replicated in DAG1.You need to install Exchange rollup updates on Server1.The solution must not prevent users from accessing their mailboxes. What should you do first？（）

You have an Exchange Server 2003 organization. You install an Exchange Server 2010 Service Pack 1 （SP1） Edge Transport server on the network. You need to ensure that the Edge Transport server can send and receive e-mail messages from the Internet for the organization. You configure the Exchange Server 2003 servers to send all e-mail for external recipients to the Edge Transport servers. What should you do on the Edge Transport servers？（）

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 organization.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed. The organization contains two Mailbox servers named Server1 and Server2.Each Mailbox server has one mailbox database and one public folder database. You discover that all users create public folders on Server1 only. You need to ensure that all users create public folders on Server2 only. 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 work as the exchange administrator at company.com.the company.com network contains an exchange server 2010 organization.you are responsible for managing the exchange network for company.com.the company.com network contains two mailbox servers named -ex01 and -ex02 as well as a mailbox database named -ex03.-ex01 and -ex02 are members of a database availability group named tkdag and contain a copy of -ex03.during the course of the week you receive an instruction from the cio to remove the -ex03 mailbox database from -ex01.what should you do？（）

You have a hosted Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack l （SP1） installed.The organization contains a distribution group named Group1.You need to ensure that a user named User1 can review and approve all messages sent to Group1. What should you do？（）

You have an Exchange Server 2010 Service Pack 1 （SP1） server that hosts a public folder database named PUBLIC.You need to move the transaction log files of PUBLIC. Which cmdlet should you run？（）

You have an Exchange organization named nwtraders.com.All servers in the organization have Exchange Server 2010 Service Pack 1 （SPl） installed.Your company acquires another company named Contoso， Ltd. You plan to create new mailboxes for each user from Contoso. You need to ensure that each new mailbox can receive e-mail messages sent to contoso.com.Which two objects should you create？（）

You have an Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack l （SP1） installed.An external user reports that when he sends e-mail messages to the organization， they are not received.You suspect that the e-mail messages he sends are incorrectly identified as spam.You need to identify which anti-spam filter is blocking the e-mail messages. What should you do？（）