单项选择题
A.In Site1， deploy one Client Access server.
B.In each site， deploy one Client Access server.
C.In Site1， deploy one Client Access server and one Edge Transport server.
D.In each site， deploy one Client Access server and one Edge Transport server.
单项选择题 You have a Microsoft Internet Security and Accelerator （ISA） 2006 server that provides all Internet accessfor your company. You have two Mailbox servers configured in a database availability group （DAG）， two Client Accessservers， and two Hub Transport servers. You need to recommend changes to the environment to ensure that users can access Outlook Web App（OWA） from the Internet if any single server fails. What should you recommend？（）
单项选择题 Your company has an Active Directory forest. The network contains Exchange Server 2007 Service Pack 1 （SP1） and Exchange Server 2003 ServicePack 2 （SP2） servers. All domain controllers run Windows Server 2003 （x86） Service Pack 1 （SP1）. You plan to deploy Exchange Server 2010 on the network. You need to recommend changes to the servers so that you can deploy Exchange Server 2010 servers. What should you upgrade first？（）
单项选择题 Your network contains an internal network and a perimeter network. The internal network contains an Active Directory forest. The forest contains a single domain. You plan to deploy 10 Edge Transport servers on the perimeter network. You need to recommend a solution for the Edge Transport server deployment. The solution must meet the following requirements： .Allow administrators to apply a single security policy to all Edge Transport servers .Reduce the administrative overhead that is required to manage servers .Minimize the attack surface of the internal network What should you recommend？（）