The XYZ Corporation security manager wants the easy VPN remote office PIX Firewall, PIX1, to
authenticate itself with ACS server, ACS1, at the central site before a VPN tunnel is established.
As the network administrator, at which location and what command should be enter to enable
remote PIX device authentication? (Choose two.)

A.
vpngroup oxford secure-unit-authentication

B.
vpngroup oxford network-extension-mode ACS1

C.
vpnclient oxford unit-authentication

D.
configure at PIX2

E.
configure at PIX1