A common cause for DHCP requests failing at the access layer is the absence of a ________ command on the switch interface connected to the DHCP server.

What is the primary benefit of implementing QoS in enterprise wired networks?

What would cause an interface to flap and log "link-down/link-up" messages every few seconds?

Why might an engineer choose to configure a switch using CLI instead of Aruba Central templates?

A site with 20 switches is exhibiting performance issues. The admin sees no CPU alerts, but high interface errors on uplinks.
Which tool in Aruba Central will best assist in isolating the root cause?