A high-density wireless network is designed. Which Cisco WLC configuration setting must be incorporated in the design to encourage clients to use the 5 GHz spectrum?

Refer to the exhibit. A company is designing a Cisco wireless solution that has two WLCs named WLC1 and WLC2 and several APs. An AP named AP12 is a critical AP and is provisioned to be installed in hallway 6, which is located just outside the office of the company director and must always connect to WLC1. Which priority level must be incorporated in the design for AP12?

Refer to the exhibit. A client roams between two APs that are registered to two different controllers, where each controller has an interface in the client subnet. Both controllers are running AireOS. Which scenario explains the client roaming behavior?
An engineer must identify the network requirements for a company that has a main office and 10 branch offices. The network must be able to support data, voice, video, and location tracking.
Which two factors must be considered? (Choose two.)
An engineer must design a WLAN that can handle voice traffic and location-based services.
Which two design features enable both services to function properly? (Choose two.)