Which CLI command do you use to shut down the 2.4 GHz radio of the Floor1_AP1 AP on a Cisco 3850 Switch?

An engineer is responsible for a wireless network for an enterprise. The enterprise has distributed offices around the globe, and all APs are configured in FlexConnect mode. The network must be configured to support 802.11r and CCKM.
What needs to be implemented to accomplish this goal?

The CTO of an organization wants to ensure that all Android devices are placed into a separate VLAN on their wireless network. However, the CTO does not want to deploy ISE.
Which feature must be implemented on the Cisco WLC?

What is the difference between PIM sparse mode and PIM dense mode?

A network is set up to support wired and wireless clients. Both types must authenticate using 802.1X before connecting to the network. Different types of client authentication must be separated on a Cisco ISE deployment.
Which two configuration items achieve this task? (Choose two.)