Question

Which feature of SQL Server 2012 provides a failover environment consisting of a group of primary user databases with up to four replicas?

Answer 1

(always on) availability group

Step-by-step explanation:

Availability group of SQL server 2012 provides replicated alternatives for multiple databases.

In case of a disaster situation, this feature recovers the system by using replicated environments.

This feature is an alternative solution to database mirroring