Which of the following are steps to configure destination-based Remote Triggered Black
Hole(RTBH) filtering?(choose three)

A.
Configure BGP beteen trigger and black hole routers.

B.
Configure OSPF between trigger router and black hole routes

C.
Configure all edge routers with static (reserved) host route to Null0

D.
Configure on trigger router to advertise victim host route with community

E.
Activate black hole by redistributing route for victim into BGP with next-hop set to the
static(reserved) host route configured on edge routers.