Which RADIUS server authentication protocols are supported on Cisco ASA firewalls? (Choose three.)

A.
EAP

B.
ASCII

C.
PAP

D.
PEAP

E.
MS-CHAPv1

F.
MS-CHAPv2

Explanation:
BD
The ASA supports the following authentication methods with RADIUS servers:
+ PAP — For all connection types.+ CHAP and MS-CHAPv1 — For L2TP-over-IPsec connections.
+ MS-CHAPv2 – For L2TP-over-IPsec connections
Source: http://www.cisco.com/c/en/us/td/docs/security/asa/asa91/asdm71/general/asdm_71_general_config/
aaa_radius.pdf
There is an alternate version of this question that replaces RADIUS with TACACS. In that case, B is correct and
F is not.