Which three statements accurately describe OSPF route summarization? (Choose three.) 

Answer options:

A. OSPF routes can be summarized at any OSPF router in the network using area range or summary address commands.
B. OSPF internal routes can be summarized only at the ABRs.
C. OSPF type 5 external routes can be summarized only at the ASBRs.
D. Route summarization can lead to a more stable network.
E. OSPF internal routes are automatically summarized via type 3 summary LSAs.
F. A flat addressing scheme is required in order to summarize OSPF routes.

BCD