What is the default duration of IPS anomaly detection’s learning accept mode?

A.
12 hours

B.
48 hours

C.
24 hours

D.
8 hours

Explanation:
Although anomaly detection is in detect mode by default, it conducts an initial learning
accept mode for the default period of 24 hours.

http://www.cisco.com/c/en/us/td/docs/security/security_management/cisco_security_
manager/security_manager/4-1/user/guide/CSMUserGuide_wrapper/ipsanom.html