Which of the following RAID levels would provide fault tolerance while also providing high performance at a reduced cost?

RAID 0 provides high performance through striping data across multiple drives but offers no fault tolerance; the failure of any single drive results in complete data loss for the entire array.

RAID 1 provides fault tolerance through mirroring data onto two drives but is less cost-effective in terms of usable capacity than RAID 5 because 50% of the total disk space is dedicated to redundancy.

RAID 5 provides fault tolerance through distributed parity, meaning data and parity information are striped across all drives, allowing the array to continue operating even if one drive fails. It offers good read performance and is more cost-effective than mirroring solutions like RAID 1 or RAID 10 because it dedicates only one drive's worth of space for parity across the entire array.

RAID 10 (RAID 1+0) combines mirroring and striping, offering excellent performance and fault tolerance, but it is the most expensive in terms of usable capacity, as it also requires 50% overhead for mirroring like RAID 1.