A network administrator must perform a software upgrade of a factory-default wireless LAN
controller (WLC) using the CLI. Which three actions are required? (Choose three.)

A.
Set the inactive boot partition to the active boot partition.

B.
Add an upgraded license for the new image.

C.
Copy the new image to the inactive boot partition using TFTP.

D.
Reboot the controller.

E.
Upgrade the connected access points (APs) before upgrading the controller.