Which configuration change would result in non-zero results in the cache statistics section?

Refer to the exhibit, which shows the output of a web filtering diagnose command.

Which configuration change would result in non-zero results in the cache statistics section?
A . set server-type rating under config system central-management
B . set webfilter-cache enable under config system fortiguard
C . set webfilter-force-off disable under config system fortiguard
D . set ngfw-mode policy-based under config system settings

Answer: B