The RAID level that should be implemented to maximize usable capacity without requiring redundancy is RAID 0. RAID (Redundant Array of Independent Disks) is a technology that combines multiple physical disks into a logical unit that provides improved performance, reliability, or both. RAID 0 is a RAID level that splits data evenly across two or more disks without parity or mirroring. RAID 0 does not provide any redundancy or fault tolerance, but it increases usable capacity and performance by allowing parallel read and write operations.

RAID (Redundant Array of Independent Disks) is a technology that combines multiple hard drives into a logical unit that provides improved performance, reliability, or capacity. RAID can be implemented by hardware, software, or a combination of both. Hardware RAID uses a dedicated controller to manage the RAID array, while software RAID uses the operating system or a driver to do the same1. In this scenario, the technician noted that the RAID hard drives were functional while troubleshooting a motherboard failure. This means that the data on the drives was not corrupted or lost. However, the technician installed a spare motherboard with similar specifications and used the original components. This means that the new motherboard may not have the same RAID configuration as the old one, or it may not recognize the existing RAID array at all. Therefore, the technician needs to reconfigure the RAID in order to restore operations with minimal downtime.

End-of-life is the phase of lifecycle management that deals with a server that is no longer in operation. End-of-life means that the server has reached the end of its useful life and is no longer supported by the manufacturer or the service provider. End-of-life may also imply that the server is obsolete, incompatible, or inefficient for the current needs and standards1. End-of-life servers may be decommissioned, recycled, donated, or disposed of according to the organizational policies and environmental regulations

Disabling unnecessary accounts prevents unauthorized access by eliminating default or unused accounts such as Guest, which are commonly targeted and should not be active on secured servers.