You have deployed a 4-node fabric MetroCluster configuration for cross-site disaster-recovery protection. In this scenario, which two statements are correct for an automatic unplanned switchover (AUSO) operation?
(Choose two.)
A. AUSO is triggered in the event of a site-wide controller failure to provide nondisruptive operations.
B. AUSO is triggered in the event of a complete site-wide failure to provide nondisruptive operations.
C. AUSO is triggered in the event of a site-wide switch failure to provide nondisruptive operations.
D. AUSO is enabled by default on a MetroCluster cluster.