单项选择题 You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory forest. TestKing.com has a headquarters and two offices. Each of these offices contains an Active Directory. Theheadquarters contain six domain controllers that are configured to run Windows Server 2008 （x64）. Theother two offices contain one Windows Server 2008 read only domain controller （RODC）. The domain controllers in the forest are all configured as global catalog servers. You are planning toinstall an Exchange Server 2010 server at every office. You have received instructions to change theActive Directory to make sure that the Exchange servers’ branch office site is able to make a connectionto their respective domain controllers. What should you do？（）

单项选择题 You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory forest that contains two domains and one site. The funcitional level of the forest is set at Windows Server 2003. TestKing.com has a headquarters and two offices that are connected to each other via a WAN link. Furthermore， all these three offices have a direct link to the Internet. The domain controllers are configured as global catalog servers and runs Windows Server 2003 R2. All these three offices contain two global catalog servers. During the course of the day you receive aninstruction to install Mailbox， Client Access and Hub Transport Exchange Server 2010 servers in all these offices. One local server will be utilized at every office to send e-mail to the Internet. To ensure productivity you need to propose the necessary modifications to the Active Directory environment in order to supprt the installation. What should you do？（）

单项选择题 You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory domain named testking.com. TestKing.com has its headquarters in Chicago and a branch office in Dallas. Both offices are an ActiveDirectory site that is connected to each other via WAN link. You receive an intruction from management toplan the installation of Exchange Server 2010 in both offices. You need to ensure that user access ismaintained in the event of a server failure as well as keepin the amount of Exchange servers in bothActive Directory sites to a minimum. What should you do？（）