When Configuring SmartEvent Initial Settings, You Must Specify a Basic

When configuring SmartEvent Initial settings, you must specify a basic topology to SmartEvent to help it calculate traffic direction for events. What is this setting called, and what are you defining?

A) Network; and defining your Class A space
B) Topology; and you are defining the Internal network
C) Internal addresses; you are defining the gateways
D) Internal network(s) ; you are defining your networks