CompTIA Server+ (SK0-004) Practice Exam 2026 - Free Server+ Practice Questions and Study Guide

RAID 5 is the configuration that offers the ability to reconstruct data after a single disk failure using distributed parity. In RAID 5, data is striped across multiple disks, and parity information is distributed among those disks. This means that if one disk fails, the system can use the remaining data and the parity information to rebuild the lost data on the failed disk.

The distributed nature of the parity in RAID 5 allows for efficient use of storage, as it requires less additional space for parity compared to mirrored RAID configurations. The setup strikes a balance between performance, redundancy, and storage efficiency, making it a popular choice for many organization’s server environments.

Other RAID configurations do not provide the same single-failure recovery capabilities. For instance, RAID 0 offers no redundancy at all, as it simply stripes data across multiple disks for improved performance without any error recovery, meaning that the loss of any single disk results in total data loss. RAID 1 provides redundancy through mirroring, allowing for recovery of data if one disk fails, but it duplicates the data instead of using parity, which does not optimize space as RAID 5 does. RAID 10 combines techniques from both RAID 1 and RAID 0 but requires a minimum of four disks and uses