Which three functions are provided by Storage DRS? (Choose three.)

Which three functions are provided by Storage DRS? (Choose three.)
A . space load balancing among datastores within a datastore cluster
B . VM disk sizing recommendations for virtual machines in datastores within a datastore cluster
C . I/O load balancing among datastores within a datastore cluster
D . snapshot consolidation recommendations among datastores within a datastore cluster
E . initial placement recommendations for virtual disks based on space and I/O workload

Answer: A,C,E