Which two steps are required for a complete Cisco DNA Center upgrade? (Choose two.)
A. automation backup
B. system update
C. golden image selection
D. proxy configuration
E. application updates
Which two steps are required for a complete Cisco DNA Center upgrade? (Choose two.)
A. automation backup
B. system update
C. golden image selection
D. proxy configuration
E. application updates
it should be B-E!
https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/network-automation-and-management/dna-center/upgrade/b_cisco_dna_center_upgrade_guide/212x.html