A.from the aggregation toward the core and the aggregation toward the access

B.from the core toward the aggregation and the access toward the aggregation

C.from the aggregation toward the access and the access toward the aggregation

D.from the core toward the aggregation and the aggregation toward the core

A.Use structured hierarchical topology with route summarization

B.Used sub-second timers

C.Use the distribute-list command to filter routes

D.Modify delay parameters on the links

E.Implement multiple EIGRP autonomous systems

A.

B.

C.

D.