Which two statements about the process at upgrading an EPLD on a Cisco MDS 9000 Series Switch are correct? (Choose two.)
A. EPLDs can be upgraded only to the latest EPLD image.
B. EPLD upgrades can 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 can be upgraded without replacing the hardware.
