Comparing and contrasting IKEv1 and IKEv2, which three statements are true? (Choose
three.)

A.
IKEv2 adds EAP as a method of authentication for clients; IKEv1 does not use EAP.

B.
IKEv1 and IKEv2 endpoints indicate support for NAT-T via the vendor_ID payload.

C.
IKEv2 and IKEv1 always ensure protection of the identities of the peers during the
negotiation process.

D.
IKEv2 provides user authentication via the IKE_AUTH exchange; IKEv1 uses the XAUTH
exchange.

E.
IKEv1 and IKEv2 both use INITIAL_CONTACT to synchronize SAs.

F.
IKEv1 supports config mode via the SET/ACK and REQUEST/RESPONSE methods; IKEv2
supports only REQUEST/RESPONSE.