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 off-loaded 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:
http://msdn.microsoft.com/en-us/library/jj542414.aspx