Your network contains two Active Directory sites. The sites connect to each other by using a WAN link. 
You plan to deploy two Exchange Server 2010 Mailbox servers and two Client Access servers in eachsite. 
Each site will contain a Client Access array. 
You need to recommend a solution to deploy Hub Transport servers. The solution must meet the following requirements：.Continue to deliver e-mail messages to users in other sites if a single Hub Transport server fails .Support the planned Client Access array deployment.Minimize the number of Exchange servers
What are two possible ways to achieve this goal？（）

单项选择题Your network contains two Active Directory sites named Site1 and Site2. Only Site1 can be accessed from the Internet. You have an Exchange Server 2010 organization.  You deploy a Client Access server in Site1 and enable Windows Integrated Authentication for OutlookWeb App （OWA）.  In Site2， you deploy a Mailbox server and a Client Access server.  You need to configure the Exchange organization to meet the following requirements： .Allow users to access their mailboxes from the Internet by using OWA  .Prevent authentication prompts from displaying when users connect to OWA by using domain- joined computers that are connected to the internal network  What should you do？（）

A.Modify the Exchange virtual directory on the Client Access server in Site1.
B.Modify the Exchange virtual directory on the Client Access server in Site2.
C.Modify the OWA virtual directory on the Client Access server in Site1.
D.Modify the OWA virtual directory on the Client Access server in Site2.

单项选择题Your network consists of an Active Directory forest that contains two sites named Site1 and Site2. From the Internet， users can only access servers in Site1. You have an Exchange Server 2007 organization.  Each site contains servers that run the Client Access server role， the Mailbox server role， and the HubTransport server role.  You plan to transition the organization to Exchange Server 2010.  You need to recommend the server role that you must transition first to Exchange Server 2010. Your solution must provide the least amount of downtime for users in the organization.  Which servers should you transition first？（）

A.the Client Access servers in Site1
B.the Client Access servers in Site2
C.the Hub Transport servers in Site1
D.the Hub Transport servers in Site2

单项选择题Your network contains an Active Directory forest. All domain controllers run Windows Server 2008.  You have an Exchange organization that consists of the servers shown in the following table.You plan to implement moderated transport for distribution groups in the organization.  You need to recommend changes to the organization to support the planned implementation.  What should you recommend？（）

A.Upgrade Server3 to Exchange Server 2010.
B.Install Windows Server 2008 R2 global catalog servers.
C.Replace all distribution groups with dynamic distribution groups.
D.Use Server4 as the expansion server for all moderated distribution groups.

单项选择题You have an Exchange Server 2003 organization.  All users connect to their mailboxes by using Microsoft Office Outlook.  You start to transition the organization to new Exchange Server 2010 servers. The new servers are on a secured subnet that is separated by a firewall. You will move half of the mailboxes to the new servers.  Client Access servers and Mailbox servers are on the secured subnet. Client computers on the network can access the Client Access servers.  You need to recommend a solution that allows users to connect to Public Folders by using Outlook or Outlook Web App （OWA）.  What should you include in the solution？（）

A.Public Folder referrals and forms-based authentication
B.Public Folder referrals and HTTP connections to the Mailbox servers
C.Public Folder replicas and MAPI connections to the Mailbox servers
D.Public Folder replicas and WebReady Document Viewing

单项选择题Your company has two main offices named Main1 and Main2. An Active Directory site exists for each office. Users connect locally to servers in both offices.  The offices connect to each other by using a high-speed WAN link. You plan to deploy Exchange Server 2010.  You need to plan the deployment of Mailbox servers to meet the following requirements： .Ensure that users can access their mailbox from a server in their site， if a single Mailbox server fails  .Ensure that users can access their mailboxes remotely if a site fails  .Minimize the number of servers How many Mailbox servers should you include in the plan？（）

A.2
B.3
C.4
D.6