Option A is the correct order of reloading components during the process of upgrading the EPLDs of the fabric modules for a Cisco MDS director-class switch. The EPLD upgrade is performed on one fabric module at a time, and the fabric module is reloaded after the upgrade. The other fabric modules and the switching platform are not reloaded during the process. References: * Cisco MDS 9000 Family NX-OS Upgrade and Downgrade Guide, Release 8.x - Upgrading the EPLDs [Cisco MDS 9000 NX-OS and SAN-OS Software], Upgrading the EPLDs, Upgrading the EPLDs on a Cisco MDS 9700 Series Switch * Cisco MDS 9000 Family NX-OS Upgrade and Downgrade Guide, Release 8.x - Upgrading the EPLDs [Cisco MDS 9000 NX-OS and SAN-OS Software], Upgrading the EPLDs, Guidelines and Limitations for Upgrading the EPLDs