What are three common examples of AAA implementation on Cisco routers? (Choose three.)

A.
authenticating remote users who are accessing the corporate LAN through IPSec VPN
connections

B.
authenticating administrator access to the router console port, auxiliary port, andvty ports

C.
implementing PKI to authenticate and authorizeIPsec VPN peers using digital certificates

D.
tracking CiscoNetflow accounting statistics

E.
securing the router by locking down all unused services

F.
performing router commands authorization using TACACS+