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?()
- AClient Access server array and hardware load-balancer
- Bdatabase availability group (DAG) and hardware load-balancer
- Cfailover clustering and database availability group (DAG)
- DWindows Network Load Balancing and failover clustering