You have an Exchange Server 2010 organization. You design a deployment of multiple Mailbox servers. 
Your companys Service Level Agreement （SLA） states that servers must support 1，000 concurrent connections to mailboxes while maintaining an RPC latency of less than 20 milliseconds. 
You need to verify that your design meets the requirements of the SLA before you deploy servers in the production environment. 
Which tool should you use？（）

单项选择题You have an Exchange Server 2010 organization.  You have a global security group named Legal that contains all the members of your companys legaldepartment.  The companys security policy states that the Legal group must be able to search all mailboxes for e-mailmessages that contain specific keywords.  You need to recommend a solution for the organization that complies with the security policy.  What should you include in the solution？（）

A.a Discovery Management role group
B.a legal hold
C.administrator audit logging
D.Mailbox journaling

单项选择题You have an Exchange Server 2003 organization.  Users access public folders by using Microsoft Office Outlook 2003 and Outlook Web App. You plan to transition the organization to Exchange Server 2010.  You need to ensure that users can access public folders after their mailboxes have been moved to Exchange Server 2010.  What should you do？（）

A.Enable public folder referrals.
B.Run the New Organization Relationship wizard.
C.Create public folder replicas on an Exchange Server 2010 server.
D.Run the Microsoft Exchange Inter-Organization Replication tool from an Exchange Server 2003server.

单项选择题Your Exchange Server 2010 organization contains two Hub Transport servers in a single site. The organization receives all e-mail sent to a SMTP domain named contoso.com. Your company purchases another company that uses a SMTP domain named fabrikam.com. You plan to manage message hygiene for both SMTP domains.  You need to recommend changes to the organization to support the planned deployment.  The solution must prevent e-mail sent to fabrikam.com from being delivered to your internal organization.  What should you recommend？（）

A.Deploy a new Hub Transport server， and then create remote domains.
B.Deploy a new Hub Transport server， and then configure transport rules.
C.Deploy an Edge Transport server， and then create accepted domains.
D.Deploy an Edge Transport server， and then configure a federation trust.

单项选择题Your company has a main office and ten branch offices.  Your network consists of a single domain Active Directory forest. An Active Directory site exists for each office.  The main office contains five domain controllers that run Windows Server 2008 （x64）.  Each branch office contains one read-only domain controller （RODC） that runs Windows Server 2008（x86）.  All domain controllers are configured as global catalog servers. You plan to deploy one Exchange Server 2010 server in each site.  You need to recommend changes to Active Directory to support the planned deployment.  The solution must ensure that Exchange servers in each branch-office site connect to their local domain controllers.  What should you recommend？（）

A.Implement a DNS zone for each office.
B.Change all RODCs to Windows Server 2008 （x64） RODCs.
C.Implement a writable domain controller in each branch office.
D.Disable site link bridging for the forest and configure Exchange-specific costs.

单项选择题You have an Exchange organization that contains Exchange 2000 Server Service Pack 3 （SP3）， Exchange Server 2003 Service Pack 2 （SP2）， and Exchange Server 2007 Service Pack 1 （SP1） servers. You need to transition the organization to Exchange Server 2010.  What should you do first？（）

A.Remove all Exchange Server 2007 SP1 servers from the organization.
B.Remove all Exchange 2000 Server and all Exchange Server 2003 servers from the organization.
C.Remove all Exchange 2000 Server servers from the organization，and then upgrade all Exchange server 2007 servers to SP2.
D.Remove all Exchange Server 2003 servers from the organization，and then upgrade all Exchange server 2007 servers to SP2.