Which of the following two are effective and simple means of employing route summarization within the Enterprise Campus network? (Choose two)

A.
A default route (0.0.0.0 /0) advertised dynamically into the rest of the network

B.
Route filtering to manage traffic flows in the network, avoid inappropriate transit traffic through remote nodes, and provide a defense against inaccurate or
inappropriate routing updates

C.
Use manual split horizon

D.
Use a structured hierarchical topology to control the propagation of EIGRP queries

E.
Open Shortest Path First (OSPF) stub areas