Which of the following should the technician do to have a rollback plan in case of issues with the new firmware?

A network technician needs to install the latest firmware on the switch to address a recently discovered vulnerability.

Which of the following should the technician do to have a rollback plan in case of issues with the new firmware? (Choose two.)
A . Label the switch with IP address and firmware version
B . Draw the switchport diagram
C . Create a change management document
D . Draw the network rack logical diagram
E . Confirm standard operating procedures documentation
F . Create a performance baseline of the switch

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Answer: CF