Which Cisco Firepower rule action displays an HTTP warning page? 

Answer options:

A. Monitor
B. Block
C. Interactive Block
D. Allow with Warning

C

Reference: https://www.cisco.com/c/en/us/td/docs/security/firesight/541/user-guide/FireSIGHT-System-UserGuide-v5401/AC-Rules-Tuning-Overview.html#76698