单项选择题 You have an Exchange Server 2010 organization named contoso.com.  Your company plans to provide business continuity services for a company named Fabrikam. Fabrikam has an Exchange Server 2007 organization and uses the fabrikam.com SMTP domain. You need to configure your organization to queue and relay all e-mail messages sent to fabrikam.comfrom the Internet.  What should you do？（）

单项选择题 Your network contains three Active Directory sites named Site1， Site2， and Site3. Users can only access Site1 from the Internet.  In each site， you plan to deploy a Mailbox server and a Hub Transport server.  You need to plan the deployment of Exchange servers to meet the following requirements： .Ensure that Exchange ActiveSync and Outlook Anywhere clients can connect to their Mailboxes from theInternet .Minimize hardware costs What should you include in your plan？（）

单项选择题 Your network contains an internal network and a perimeter network that are separated by a firewall. The perimeter network contains an Exchange Server 2010 Edge Transport server.  You plan to deploy an internal Exchange Server 2010 organization that meets the following requirements：.Support EdgeSync synchronization .Support encrypted delivery of outbound e-mail messages to the Edge Transport server .Minimize the attack surface of the internal network  Which TCP ports should you allow from the internal network to the perimeter network？（）