Which two statements about the process of performing an EPLD upgrade on a Cisco MDS 9000 Series Switch are true?

Which two statements about the process of performing an EPLD upgrade on a Cisco MDS 9000 Series Switch are true? (Choose two.)
A. The upgrade can be performed from the standby supervisor module.
B. The upgrade process disrupts only the module that is being upgraded.
C. The active supervisor can be upgraded.
D. If an upgrade is interrupted, the upgrade continues after a connection is restored.
E. Modules must be online to be upgraded.