Your network contains two Active Directory sites named ……

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

单项选择题Your network contains two data centers named Datacenter1 and Datacenter2. An Active Directory site exists for each data center.  The data centers connect to the Internet by using a direct link.  The data centers connect to each other by using a high-speed WAN link.  You plan to deploy Exchange Server 2010 Mailbox servers in both data centers. You need to plan message routing to meet the following requirements：.Ensure outbound delivery of e-mail messages if a single server fails .Automatically load balance the Hub Transport server in each site .Deploy the minimum number of servers What should you include in the plan？（）

A.In each data center， deploy one Hub Transport server. Create and configure one Send connector.
B.In each data center， deploy two Hub Transport servers. Create and configure one Send connector.
C.In each data center， deploy one Edge Transport server. Create and configure two Send connectors.
D.In each data center， deploy two Edge Transport servers. Create and configure two Send connectors.