Which two scenarios can cause a VM to appear orphaned in the vSphere Web Client?(Choose two)

a. The VM was removed from the vCenter Server
b. The VM had an unsuccessful migration within a vSphere DRS cluster
c. The ESXi host had an unsuccessful failover event in vSphere HA
d. The VM was unregistered from the ESXi host directly.

Answer:
c. The ESXi host had an unsuccessful failover event in vSphere HA
d. The VM was unregistered from the ESXi host directly.