Under which two situations does the dead space reclamation feature VAAI thin provisioning offer the ability to reclaim blocks of a thin provisional LUN on an array? (Choose two)

A.
when a virtual machine is migrated to a different datastore

B.
when a guest OS files in a virtual disk are deleted

C.
when a virtual machine is migrated to a different host

D.
when a virtual disk is deleted

Explanation:

Page 188 from vsphere-esxi-vcenter-server-50-storage-guide.pdf