Which configuration actions can be performed by using the DSCLI on IBM System StorageDS6000 and DS8000 servers?（）
- AAssign RAID ranks to extent pools and combine storage extent pools
- BAssign RAID ranks to extent pools and create and assign volumes to hosts
- CCombine storage extent pools and invoke a server failover/fallback
- DInvoke a server failover/fallback and create and assign volumes to host