The CAPWAP protocol specifies the communication standard between AC and AP. Which of the following statements about the CAPWAP protocol is correct?

Among the configuration BPDUs sent by the switch, which bridge D.
is unlikely to appear? ()

What command line views exist on the VRP operating platform? ()*

In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*

In the STP protocol, which of the following factors will affect the election of the root switch? ()*