What must be configured when a network administrator wants to configure RADIUS authentication with a network access device (NAD)? (Choose two.)
A. The NAD and ClearPass must be configured for NTP time synchronization.
B. The NAD must be configured for RADIUS accouning.
C. The ClearPass EAP/RADIUS server certificate must be installed on the NAD.
D. ClearPass and the NAD must have the same shared secret.
E. The NAD must be configured as a known network device in ClearPass.
‘C’ is required for RADSEC, but the question doesn’t mention that. . I’m going to say A and D .