What is the default IEEE 802.1x AP authentication configuration on a Cisco Catalyst 9800 Series Wireless Controller?
A. EAP-PEAP with 802.1x port authentication
B. EAP-TLS with 802.1x port authentication
C. EAP-FAST with CAPWAP DTLS + port authentication
D. EAP-FAST with CAPWAP DTLS
D is the correct answer
Checked on our WLC 9800. The default AP Join Profile has EAP-FAST with CAPWAP DTLS> I would go with answer D