Which configuration change must you make to block an offending IP address temporarily?

Refer to the exhibit.

Which configuration change must you make to block an offending IP address temporarily?
A . Add the offending IP address to the system block list
B . Add the offending IP address to the user block list
C . Add the offending IP address to the domain block list
D . Change the authentication reputation setting status to Enable

Answer: D

Explanation:

Reference: https://help.fortinet.com/fweb/550/Content/FortiWeb/fortiweb-admin/blacklisting.htm