Under which two conditions is a master elected by vSphere HA? (Choose two.)
A.
When a network partition occurs
B.
When a failure of vCenter Server occurs
C.
When vSphere HA is enabled
D.
When a host is added to an HA enabled cluster
http://www.thinkmeta.net/index.php/2011/09/01/bco2874-vsphere-high-availability-5-0- and-smp-fault-tolerance/