The following describes RAID 10, which are correct? (Multiple choice)

The following describes RAID 10, which are correct? (Multiple choice)
A . RAID 10 is used in scenarios with high requirements for speed and fault tolerance
B . RAID 10 requires at least 4 member disks
C . In RAID 10, if two member disks in a subgroup fail, the data is read normally
D . In RAID 10, the data is first mirrored and then striped

Answer: A,B,D