A、.number of concurrent connections to Outlook Web App ……

单项选择题Your company has three offices. Each office has a direct link to the Internet. The offices connect to each other by using a WAN link.  Your network consists of an Active Directory forest that contains two domains and one site. The functional level of the forest is Windows Server 2003.  All domain controllers run Windows Server 2003 R2. Each office contains two domain controllers for eachdomain.  All domain controllers are global catalog servers.  In each office， you plan to deploy Mailbox， Client Access， and Hub Transport Exchange Server 2010servers.  All e-mail messages sent to the Internet will be delivered from a local server in each office.  You need to recommend changes to the Active Directory environment to support the planned deploymentof Exchange Server 2010.  What should you recommend？（）

A.Disable site link bridging for the forest.
B.Modify the cost values for the default IP site link.
C.Create an Active Directory subnet and site object for each office.
D.Upgrade one domain controller in each office to Windows Server 2008.

单项选择题You have a main office and five branch offices.  The offices connect to each other by using a WAN link. An Active Directory site exists for each office.  Each site has a separate IP site link to all other sites. The main office site is configured as a hub site. You have an Exchange Server 2010 organization.  You discover that messages sent between offices are not routed through the Hub Transport servers in themain office.  You need to ensure that all messages sent between offices are routed through the Hub Transport serversin the main office.  What should you do？（）

A.Change all IP site links to SMTP site links.
B.Modify the Exchange-specific cost for each site link.
C.From the Hub Transport servers in each site， create a journal rule.
D.From the Hub Transport servers in each site， create a transport rule.

单项选择题You have an Exchange Server 2010 organization.  The network contains an Exchange Server 2010 Mailbox server named Server1. All mailboxes are stored on Server1.  You perform a Typical installation of Exchange Server 2010 on a new server named Server2. You plan to implement redundancy for mailbox access.  You need to recommend a solution that ensures that client computers can reconnect to their mailboxwithin five minutes if Server1 fails.  What should you recommend？（）

A.Configure cluster continuous replication （CCR）. Implement a file share witness.
B.Configure a Network Load Balancing cluster that includes Server1 and Server2. Implement Active Directory-integrated DNS zones.
C.Configure a database availability group （DAG） that includes Server1 and Server2. Set the time to live （TTL） for the DNS record.
D.Configure a database availability group （DAG） that includes Server1 and Server2. Use the same certificate for both servers.

单项选择题Your company has an Active Directory forest.  The forest contains two sites named Site1 and Site2.  You plan to deploy Exchange Server 2010 servers in both sites.  You need to plan a high-availability solution for the Mailbox servers that meets the following requirements： .Users must be able to access their mailboxes if a single server fails  .Users must be able to access their mailboxes remotely if a single site becomes unavailable  What should you do？（）

A.Deploy two Mailbox servers in each site. Install and configure continuous cluster replication （CCR）.
B.Deploy one Mailbox server in Site1 and one Mailbox server in Site2. Install and configure continuous cluster replication （CCR）.
C.Deploy two Mailbox servers in each site. Create one database availability group （DAG） named DAG1. Add all Mailbox servers to DAG1.
D.Deploy two Mailbox servers in each site. Create two database availability groups （DAGs） named DAG1 and DAG2.Add the Mailbox servers from Site1 to DAG1 and the Mailbox servers from Site2 to DAG2.

单项选择题Your network consists of a single Active Directory site. You plan to deploy Exchange Server 2010.  You need to plan the deployment of Exchange Server 2010 servers to meet the following requirements：.All Mailbox servers must belong to a database availability group （DAG） .MAPI connections from Outlook clients must be load balanced by using a hardware load balancer .If a single server fails， users must continue to send and receive e-mail .The plan must minimize the number of servers deployed  What should you include in the plan？（）

A.Deploy two servers. On the two servers， deploy the Mailbox server role， the Client Access server role， and the HubTransport server role. Configure a Client Access server array.
B.Deploy two servers. On the two servers， deploy the Mailbox server role， the Client Access Server role， and the HubTransport server role. Enable Outlook Anywhere on both Client Access servers.
C.Deploy four servers. On two of the servers， deploy the Mailbox server role and the Hub Transport server role. On the other two servers， deploy the Client Access server role. Configure a Client Access server array.
D.Deploy four servers. On two of the servers， deploy the Mailbox server role. On the other two servers，deploy the Client Access server role and the Hub Transport server role. Enable Outlook Anywhere on both Client Access servers.