多选题Which three actions must you perform as part of the WXOS software upgrade process?（）(Choose three.)AReboot the device.BReapply the license key.CSave the current configuration.DLoad the image using FTP, TFTP, or from the local disk.EBack up the configra
题目
多选题
Which three actions must you perform as part of the WXOS software upgrade process?（）(Choose three.)
A
Reboot the device.
B
Reapply the license key.
C
Save the current configuration.
D
Load the image using FTP, TFTP, or from the local disk.
E
Back up the configration using FTP, TFTP, or to the local disk