A wireless engineer must configure access control on a WLC using a TACACS+ server for a company that is implementing centralized authentication on network devices.
Which role value must be configured under the shell profile on the TACACS+ server for a user with read-only permissions?

Which QoS level is recommended for guest services?

What does the following figure illustrate?

One of your FlexConnect access points (AP) went into standalone mode due to a WAN failure.
What happens to already actively connected clients?

Suppose a wireless design consists of two controllers and a number of APs. The APs are distributed equally across the two controllers. Each AP is configured with one controller as primary and the other controller as secondary.
Based on this information, which one of the following redundancy models is being used?