Which device controls the forwarding of authentication requests for users when connecting to the network using a lightweight access point?

Refer to the exhibit.

What is the next step to complete the implementation for the partial NAT configuration shown?

Which advantage does the network assurance capability of Cisco DNA Center provide over traditional campus management?

What is the purpose of classifying network traffic in QoS?

Refer to the exhibit. A network engineer updates the existing configuration on interface fastethernet1/1 switch SW1. It must establish an EtherChannel by using the same group designation with another vendor switch.
Which configuration must be performed to complete the process?