Cisco IOS Intrusion Prevention System (IPS) is an inline, deep-packet inspection feature that
effectively mitigates a wide range of network attacks .When verifying Cisco IOS IPS operations,
when should you expect Cisco IOS IPS to start loading the signatures?

A.
After you configure the ip ips sdf location flash:filename command

B.
After you configure the ip ips sdf builtin command

C.
After you configure a Cisco IOS IPS rule in the global configuration

D.
when the first Cisco IOS IPS rule is enabled