Which statements are true about confederations? (Select two.)
A . Confederations can be used with any routing protocol.
B . Confederations modify the split-horizon rule.
C . Confederations are IBGP speakers that reflect learned routes from IBGP peers to other IBGP peers.
D . The AS uses multiple sub-ASs to scale.
E . Confederations add more information to the AS path.
Answer: DE