Refer to the exhibit.

If the SP network is configuring RTBH filtering to protect hosts on the 152.68.19.0/24 network,
which router should be configured as the black hole activating router?

A.
F

B.
C

C.
D

D.
L

E.
A

F.
K

Explanation:
1.13. Security in core
1.13.15. Remote triggered black hole (RTBH)