Match each PoE power class to Its corresponding 802.3 standard. (Options may he used more than once or not at all)

Your customer is interested in hearing more about how roles can help keep consistent policy enforcement in a distributed overlay fabric How would you explain this concept to them''
The customer needs a network hardware refresh to replace an aging Aruba 5406R core switch pair using spanning tree configuration with Aruba CX 8360-32YC switches.
What is the benefit of VSX clustering with the new solution?
What steps are part of the Key Management workflow when a wireless device is roaming from AP1 to AP2?
(Select two.)
Your manufacturing client is deploying two hundred wireless IP cameras and fifty headless scanners in their warehouse. These new devices do not support 802.1X authentication. How can HPE Aruba enhance security for these new IP cameras in this environment?