Which statement about authentication and the PIX Firewall is true?

A.
One network cannot authenticate with both TACACS+ and RADIUS.

B.
One network can authenticate with both TACACS+ and RADIUS.

C.
If any network connected to your PIX Firewall authenticates with TACACS+, any other networks
that use authentication and connect to the PIX Firewall must also use TACAS+.

D.
If any network connected to your PIX Firewall authenticates with RADIUS, all other networks
must use RADIUS for authentication.