What are two ways vsphere cluster, enabled with high availability HA and distributed resource scheduler DRS, differs from traditional failover solution? two choose.

What are two ways vsphere cluster, enabled with high availability HA and distributed resource scheduler DRS, differs from traditional failover solution? two choose.A . After a vsphere HA cluster is set up, all virtual machines in the cluster get failover support without additional configuration.B . Vsphere HA requires special software and drivers to be...