Which statement is true about upgrading the firmware on a Cisco MDS storage switch with dual supervisors?

Which statement is true about upgrading the firmware on a Cisco MDS storage switch with dual supervisors?
A . The standby supervisor must be offline before the firmware upgrade begins.
B. Both supervisors load the new firmware and then the active supervisor reboots.
C. Supervisors can be upgraded independently to test the new firmware.
D. The new firmware is load on the standby supervisor first.

View Answer

Answer: D

Explanation:

https://www.cisco.com/c/en/us/support/docs/storage-networking/mds-9000-nx-os-san-os-software/118952-technote-mds9k-00.html#:~:text=On%20a%2095xx%20or%2097xx,becomes%20the%20new%20standby%20supervisor.