Which three statements about a Cisco ACI Layer 3 connection to an external network are true?
(Choose three.)

A.
The Cisco ACI fabric is considered a transit network.

B.
Routes learned from the outside are redistributed into ISIS.

C.
Routes learned from the outside are redistributed into MP-BGP.

D.
A leaf switch can peer with an external router.

E.
A leaf switch cannot peer with an external router.

F.
The Cisco ACI fabric is intended to be a stub network.