Your company has two data centers. 
Each data center contains a perimeter network. 
Your network contains an Exchange Server 2010 organization. 
You plan to deploy Exchange Server 2010 Edge Transport servers in the perimeter networks. 
You need to recommend a solution for the Edge Transport servers that meets the following requirements：.Distribute inbound e-mail messages across all Edge Transport servers 
.Ensure that users receive inbound e-mail messages if an Edge Transport server fails 
.Ensure that users receive inbound e-mail messages if a single data center network becomes unavailable.Minimize costs 
What should you recommend？（）

单项选择题You have an Exchange Server 2010 organization.  You need to recommend a client access solution that meets the following requirements： .Reduces the time required for users to reconnect to user mailboxes if a single Client Access server fails .Prevents users from being prompted for authentication if a single Client Access server fails What should you recommend？（）

A.Client Access server array and hardware load-balancer
B.database availability group （DAG） and hardware load-balancer
C.failover clustering and database availability group （DAG）
D.Windows Network Load Balancing and failover clustering

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？（）

A.Configure a Client Access server array.
B.Deploy a second ISA server and create an ISA server array.
C.Implement Windows Network Load Balancing for the Client Access servers.
D.Deploy two Edge Transport servers that are configured to use EdgeSync synchronization.

单项选择题Your company has 10 offices.  The offices connect to the Internet by using a WAN link.  The offices connect to each other by using a VPN connection.  An Active Directory site exists for each office. You plan to deploy Exchange Server 2010. Each site will contain two Exchange Server 2010 servers.  You need to recommend the placement of domain controllers and global catalog servers to meet thefollowing requirements： .Minimize the number of domain controllers .Must be able to deliver e-mail messages between users of the same office， if a domain controller and a WAN link fail simultaneously What should you recommend？（）

A.In each site， install two global catalog servers.
B.In each site， install two domain controllers. Enable Universal Group Membership caching for each site.
C.In each site， install two domain controllers. Create a publishing point for an offline address list on one Exchange server in each site.
D.In each site， install one domain controller that is configured as a global catalog server.Enable Universal Group Membership caching for each site.

单项选择题You have an Exchange Server 2010 organization that contains two Hub Transport servers.  You need to design a recovery plan for the Hub Transport servers that meets the following requirements： .Restores all Windows settings .Restores all Exchange configurations.Minimizes administrative effort What should you include in the plan？（）

A..Retention of Exchange server computer accounts in Active Directory .Backup and recovery of Windows system stateA recovery installation of Exchange Server 2010
B..Retention of Exchange server computer accounts in Active Directory .Backup and recovery of transport queues.Acustom installation of Exchange Server 2010
C.Recovery of Windows system state.Backup and recovery of transport queues.A typical installation of Exchange Server 2010
D.Backup and recovery of Windows system state.A repair installation of Windows Server 2008.A typical installation of Exchange Server 2010

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 Active Directory domain named testking.com. TestKing.com is configured to run in an Exchange Server 2010 environment.You have receive dinstructions from the CIO to install public folders access that will ensure that users in the admin department is able send e-mail messages to public folders as well as post documents in the public foldersusing Outlook Web App （OWA）. To accomplish this task you need to recommend to appropriate changesto management. What should you do？（）

A.You should consider changing the OWA segmentation settings.
B.You should consider changing the public folder client permissions.
C.You should consider changing the public folder administrative permissions.
D.You should consider changing the mailbox permissions.