An Aruba solution runs ArubaOS 8 and uses a mobility master architecture. Which feature can network administrators use to balance wireless devices across APs on different channels?

A company has an Aruba Mobility Master (MM)-based solution. Under which circumstance will an AP radio change channel without the use of the Mobility Master (MM)?

Which feature is unique to 802.11ac Wave 2 access points?

Refer to the exhibit.

The exhibit shows the AAA profile for a WLAN on an Aruba solution. This WLAN uses 802.1X to authenticate users to a RADIUS server. A user successfully authenticates with 802.1X, but the RADIUS server does not send a role assignment.
How does the Aruba firewall handle the role assignment for this user?

A company has an Aruba solution. A network administrator wants to prevent wireless users from accessing shopping web sites with a bad reputation.
What should the administrator set up to deny such traffic?