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？（）

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？（）

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？（）