In which scenario will vSphere DRS balance resources when set to Fully Automated?
A. Hosts with only shared storage
B. Hosts are part of a vSphere HA cluster
C. Power Management is set to Balanced on hosts
D. Hosts with shared or non-shared storage
A.
Having HA is nice, but you can still use DRS without HA.
What is important is that the hosts can reach the storage the VM is located on, otherwise it cannot run the VM on another host.
B, say which scenario not what requirement
https://storagehub.vmware.com/t/vmware-vsan/vsan-stretched-cluster-guide/partially-automated-or-fully-automated-drs-5/
To get vsan enabled you need HA, but the question didn’t mention VSAN.
I would go with A.
https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.resmgmt.doc/GUID-0F1A46B1-86D1-4B5E-9D96-EB59D5A9B2F2.html
A
“Ensure that the managed hosts use shared storage”
https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.resmgmt.doc/GUID-0F1A46B1-86D1-4B5E-9D96-EB59D5A9B2F2.html
B
B