Which two Cisco IOS features can be used to defend against spoofing attacks?

Which two Cisco IOS features can be used to defend against spoofing attacks? (Choose two.)

A.
auth-proxy

B.
lock-and-key ACL

C.
IP Source Guard

D.
TCP Intercept

E.
CAR

F.
uRPF

G.
reflexive ACL

Explanation: