Which statement about the Cisco ASA botnet traffic filter is true?

Which statement about the Cisco ASA botnet traffic filter is true?

A.
The four threat levels are low, moderate, high, and very high.

B.
By default, the dynamic-filter drop blacklist interface outside command drops traffic with a threat level of high or very high.

C.
Static blacklist entries always have a very high threat level.

D.
A static or dynamic blacklist entry always takes precedence over the static whitelist entry.