Refer to the exhibit.

The SP network is configuring Remotely Triggered Black Hole Filtering to protect hosts on network
152.68.19.0/24. Which routers should be configured to the sinkhole router?

A.
A, B, G, and H

B.
C and D

C.
L and K

D.
A, D, F, G, and L

E.
A, B, F, G, and H