You have been tasked with setting up summarization in the ABC Company EIGRP network.
Which two statements are true about EIGRP manual summarization? (Select two)

A.
Manual summarization is configured on a per interface basis.

B.
When manual summarization is configured, auto-summarization is automatically disabled
by default.

C.
The summary address is assigned an administrative distance of 10 by default.

D.
Manual summaries can be configured with the classful mask only.

E.
The summary address is entered into the routing table and is shown to be sourced from
the Null0 interface.