单项选择题
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？（）
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？（）
单项选择题 You have an Exchange Server 2010 Hub Transport server named Hub1. You install an application on a third-party server named Server1. You discover that the application cannot authenticate to remote servers. You need to ensure that the application can relay e-mail messages by using Hub1. What should you do？（）