A hospital wants to configure a tiered pool on an EMC VNX to support a vSphere ESXi 5.0
environment with fifteen hosts. Which disk layout is supported for a tiered pool?

A.
4 Flash drives RAID 1/0, 5 SAS RAID 5, 5 NL-SAS RAID 5

B.
4 Flash drives RAID 1/0, 5 SAS RAID 5, 6 NL-SAS RAID 6

C.
5 Flash drives RAID 5, 5 SAS RAID 5, 5 NL-SAS RAID 5

D.
5 Flash drives RAID 1/0, 5 SAS RAID 5, 6 NL-SAS RAID 6