Which two statements regarding IKEv2 are true per RFC 4306? (Choose two.)

A.
It is compatible with IKEv1.

B.
It has at minimum a nine-packet exchange.

C.
It uses aggressive mode.

D.
NAT traversal is included in the RFC.

E.
It uses main mode.

F.
DPD is defined in RFC 4309.

G.
It allows for EAP authentication.