How are control traffic, client authentication and data traffic handled in a mobility express environment?

This option is incomplete but, if it implied data traffic is tunneled to the controller, it would be incorrect for the typical Mobility Express local switching data plane model.

In Cisco Mobility Express, one designated Access Point (AP) acts as the virtual controller, centrally managing all control plane functions and client authentication for the entire wireless network. However, client data traffic is typically locally switched by each individual AP directly to the wired network, optimizing performance and reducing latency.

Control traffic and client authentication are handled centrally by the single virtual controller AP, not independently by each access point.

Control traffic and client authentication are handled centrally by the single virtual controller AP, not independently by each access point, making this option incorrect even if data traffic is locally switched.