which three components are enabled as a result?

When enabling Storage DRS on a datastore cluster, which three components are enabled as a result? (Choose
three.)

A.
Space load balancing among datastore within the datastore cluster.

B.
Initial placement for virtual disks based on space and I/O workload.

C.
I/O load balancing among datastores within the datastore cluster.

D.
Queue Depth alerting on disks within the datastore cluster.

E.
Data de-duplication within the datastore cluster.

Explanation:
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%
2FGUID-19B6F05F-D285-4ACB-9B13-24A1DE9B4058.html