What Are Two Base Components of Both a Source-Based Remotely

Multiple Choice

What are two base components of both a source-based remotely triggered black hole and a destination-based remotely triggered black hole filtering solution? (Choose two.)

A) NetFlow
B) static route withthe next hop pointing to the Null0 interface
C) infrastructure access list
D) triggered IBGP update setting next hop to a predetermined, unused IP address
E) uRPF