A.Create two RAID-10e arrays， one per disk expansion drawer
B.Create a single RAID-10 array across the two disk expansion drawers
C.Create a single RAID-5 array across both disk drawers utilizing all disks
D.Create four RAID-5 arrays in 6+P format with two arrays to each disk expansion drawer

A.Use write-back cache
B.Use write-back cache with battery backup
C.Use write-through cache with disk caching enabled
D.Use write-through cache with disk caching disabled