D) Inline Firepower Threat Defense (FTD) provides six interface modes which are: Routed, Switched, Inline Pair, Inline Pair with Tap, Passive, Passive (ERSPAN). When Inline Pair Mode is in use, packets can be blocked since they are processed inline When you use Inline Pair mode, the packet goes mainly through the FTD Snort engine When Tap Mode is enabled, a copy of the packet is inspected and dropped internally while the actual traffic goes through FTD unmodified https://www.cisco.com/c/en/us/support/docs/security/firepower-ngfw/200924-configuringfirepower- threat-defense-int.html

A) Passive

B) Tap

C) Inline tap