You have two Exchange Server 2010 Service Pack 1 (SP1) servers named Server1 and
Server2. Both servers have the Client Access, Hub Transport, and Mailbox server roles
installed.
The servers are members of a database availability group (DAG).
You need to ensure that all Microsoft Outlook users automatically connect to an available
Client Access server if a single server or service fails.
What should you do?

A.
Create a Client Access server array. Create a new DNS record and add the IP addresses
of both Client Access servers to the new DNS record.

B.
Deploy a hardware load balancer. Create a DNS record for the virtual IP address of the
load balancer. Create and configure a Client Access server array.

C.
Install the Network Load Balancing feature on both servers. Assign a second IP address
to each server. Create a Client Access server array and a new DNS record for the array.

D.
Remove Server2 from the DAG. Create a Client Access server array, and then enable
Datacenter Activation Coordination. Install the Network Load Balancing feature on both
servers.