In a network using Cisco autonomous access points running WDS， what port is used for authentication by the local authentication service on an access point？（）

A.chooses the least congested channel
B.uses the configured channel
C.sets all access points to the same channel
D.steps through each of the allowed channels

A.EAP-FAST master server
B.Allow automatic PAC provisioning
C.client initial message
D.authority ID info