You plan to install Exchange Server 2010 Service Pack 1 （SP1） servers in an existing Exchange Server 2007 organization.All servers will coexist in a single Active Directory site. You need to identify which role must be transitioned to Exchange Server 2010 first. Which role should you identify？（）

A. Hub Transport.
B. Mailbox Server.
C. Unfied Messaging.
D. Client Access Server.

You install a new Exchange server 2010 organization that contains two Hub Transport servers named Hub1 and Hub2.Hub1 and Hub2 are configured as mail servers for your organization in the public DNS zone. You notice that Hub2 rejects all SMTP connections from internet hosts. What Should you do？（）

A. Uninstall the antispam agents from Hub1.
B. Install the same trusted public certificate on Hub1 and Hub2.
C. Modify the permissions for the Client Hub2 Receive connector.
D. Modify the permissions for the Default Hub2 Receive connector.

You have an Exchange Server 2010 organization.Users on the network use HTTPS to connect to Outlook Web App （OWA）.The Client Access server uses a certificate issued by an internal certification authority （CA）.You plan to deploy an e-mail encryption solution for all users. You need to ensure that users can send and receive encrypted e-mail messages by using S/MIME from OWA.What should you do？（）

A. Issue a certificate to each user
B. Instruct all OWA users to import a root CA certificate
C. Modify the authentication settings of the OWA virtual directory
D. Configure the Client Access Server to use a certificate issued by a third-party CA

You have an Exchange Server 2010 organization named contoso.com.All users have a Personal Archive.You need to ensure that messages that are older than 90 days are moved from the user’s mailboxto the Personal Archive.What should you do？（）

A. Create a retention tag.Assign the retention tag to a retention policy.Apply the retention policy to all users
B. Create a retention tag.Assign the retention tag to a retention policy.Create a journal rule
Create managed custom folder.Run the New Managed Content Settings wizard.Create a journal rule
D. Run the New Managed Content Settings wizard.Create a new managed folder mailbox policy.Apply the policy to all user

组织信息化管理包括信息化规划、（）、（）、（）等4大环节。

Your network contains Mailbox servers that run Exchange Server 2007 and Exchange Server 2010.You need to ensure that all e-mail messages located in the Inbox folders of all users are deleted after 120 days.What should you create first？（）

A. a new managed custom folder
B. a new message classification
C. a new retention policy
D. new managed content setting

Your network contains an Exchange Server 2010 server.All users access their mailboxes by using only Microsoft Office Outlook 2007.You configure a policy to archive all e-mail messages located in the Entire Mailbox 365 days after they are received.You need to ensure that all members of a department named Sales can retain some e-mail messages for five years. What should you create first？（）

A. a linked mailbox
B. a managed custom folder
C. a message classification
D. an Outlook Protection Rule

You have an Exchange Server 2010 organization.You need to ensure that items in a user’s Inboxfolder that are older than 60 days are moved to a custom folder.What should you do first？（）

A. Create a managed custom folder.Create a transport rule
B. Create a new mail folder by using Microsoft Office Outlook.Create a journal rule
Create a managed custom folder.Run the Managed Content Settings wizard from the Inbox managed default folder
D. Create a new mail folder by using Microsoft Office Outlook.Run the Managed Content Settings wizard from the Inbox managed default folder

You have an Exchange Server 2010 organization that contains five Mailbox servers and five Client Access servers.All users in the organization connect to their mailboxes by using Outlook Anywhere.You create a Client Access server array.You need to ensure that all users can connect to the Client Access server array.What should you do？（）

A. From the Exchange Management Shell， run the Set-Mailbox cmdlet
B. From the Exchange Management Shell， run the Set-MailboxDatabase cmdlet
C. From the Exchange Management Console （EMC）， modify the properties of each mailbox database
D. From the Exchange Management Console （EMC）， modify the properties of each Client Access server object

You have an Exchange Server 2010 organization.Your network contains two Active Directory sites named Site1 and Site2.Each site contains five Mailbox servers.A Mailbox server named Server1 is in Site1.A Mailbox server named Server2 is in Site2.You have a public folder named Folder1 that is replicated to Server1 and Server2.Users in Site1 report that they cannot access Folder1 when Server1 is offline.You need to ensure that all users can access Folder1 if Server1 is offline.What should you do？（）

Add Server1 to the public folder referrals for Site2.
B. Add Server2 to the public folder referrals for Site1.
C. Add Server1 and Server2 to a Client Access server array.
D. Add Server1 and Server2 to a database availability group （DAG）.