Refer to the exhibit.

Configuring traffic flow notifications on the Cisco IPS appliance is most useful in what situation?

A.
to determine the IPS throughput rate when using inline mode

B.
to detect IPS performance issues

C.
to enable bypass mode when the Cisco IPS appliance fails

D.
to prevent DoS attacks

Explanation:
http://www.cisco.com/en/US/docs/security/ips/5.0/configuration/guide/idm/dminter.html#wp103