Implementing and Operating Cisco Data Center Core Technologies (DCCOR) — Question 451

Which two actions should be taken before an upgrade is started on a Cisco MDS switch? (Choose two.)

Answer options

• A. disable Cisco Fabric Services
• B. check the impact of the upgrade using the show install all impact command
• C. free up space on the USB3 device by deleting old Cisco NX-OS image files
• D. make the primary supervisor the active supervisor
• E. back up the configuration

Correct answer: B, E

Explanation

Option B is correct because assessing the upgrade's impact is crucial for understanding potential issues. Option E is also correct as backing up the configuration ensures that you can restore settings if needed. The other options, while they may be part of the process, are not essential to perform before starting the upgrade.