AWS Certified Solutions Architect - Professional (#3)

Out of the striping options available for the EBS volumes, which one has the following disadvantage: 'Doubles the amount of I/O required from the instance to EBS compared to RAID 0, because you're mirroring all writes to a pair of volumes, limiting how much you can stripe.'?

Raid 1
Raid 0
RAID 1+0 (RAID 10)
Raid 2