Which two statements describe the process of upgrading an EPLD on a Cisco MDS 9000 Series Switch? (Choose two.)

Which two statements describe the process of upgrading an EPLD on a Cisco MDS 9000 Series Switch? (Choose two.)

A. EPLDs are only capable to be upgraded to the latest EPLD image. B. EPLD upgrades are capable to be completed without powering down the module during the upgrade. C. An upgrade verification identifies the impact of each EPLD upgrade. D. The EPLDs for all the modules on a switch must be upgraded at the same time. E. EPLDs are capable to be upgraded without replacing the hardware.