Which ArubaOS CLI command can an administrator execute to determine if AP load balancing is enabled in a cluster?

Which Aruba Unified Communications and Collaboration (UCC) deployment mode should be used when UCC is disabled on the Mobility Controllers (MCs)?

Which IEEE standard should user devices support to implement Fast BSS Transition when a network implements wireless roaming (mobility)?

Refer to the exhibit.

An administrator configures a policy for an AP Group. Port 3 of a RAP is a trunk that connects to a switch at a branch office. VLAN 1 is untagged and VLANs 10 (for data) and 11 (for voice) are tagged. The administrator applies an ACL inbound on Port 3 of the RAP.
How does this configuration affect traffic on Port 3?

An administrator uses a ClearPass server to perform user authentication and download the role configuration that should be applied to the user's session. The server is associated to an AAA profile of a VAP. However, when a user connects to the SSID of the VAP, they are assigned the default role.
What must the administrator do to ensure that the role is downloaded and used?