An administrator is monitoring a High Availability (HA) and

Distributed Resource Scheduler (DRS) enabled cluster and has noticed that virtual machines in the cluster are being migrated without user intervention.

Why is this happening?

A. The DRS Automation level is set to Fully Automated.

B. The Automation level

is set to Automatic.

C. The DPM Threshold is set to Aggressive.

D. The Power Management feature is configured.