In the device Manager of Huawei Oceanstor V3 , when selecting RAID strategy, which description is correct?

In the device Manager of Huawei Oceanstor V3 , when selecting RAID strategy, which description is correct?
A . When selecting RAID5, you can choose RAID policy of 5D + 1P
B . When selecting RAID5, you can choose RAID policy of 4D + 1P
C . When selecting RAID5, you can choose RAID policy of 8D + 1P
D . When selecting RAID6, you can choose RAID policy of 4D + 2P

Answer: BCD