Which configuration should you use?

You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to
ensure that an OLTP database that includes up-to-the-minute reporting requirements can be offloaded from the primary database to another server. You also need to be able to add indexes to the
secondary database. Which configuration should you use?

A.
Two servers configured in different data centers
SQL Server Availability Group configured in Synchronous-Commit Availability Mode
One server configured as an Active Secondary

B.
Two servers configured in the same data center
SQL Server Availability Group configured in Asynchronous-Commit Availability Mode
One server configured as an Active Secondary

C.
Two servers configured in the same data center
A primary server configured to perform log-shipping every 10 minutes
A backup server configured as a warm standby

D.
Two servers configured in different data centers
SQL Server Availability Group configured in Asynchronous-Commit Availability Mode

E.
Two servers configured on the same subnet
SQL Server Availability Group configured in Synchronous-Commit Availability Mode

F.
SQL Server that includes an application database configured to perform transactional replication

G.
SQL Server that includes an application database configured to perform snapshot replication

H.
Two servers configured in a Windows Failover Cluster in the same data center
SQL Server configured as a clustered instance

Explanation:
Reference:
http://msdn.microsoft.com/en-us/library/ff878253.aspx