What are two benefits of using IKEv2 instead of IKEv1 when deploying remote-access IPsec VPNs? (Choose two.) 

Answer options:

A. IKEv2 supports EAP authentication methods as part of the protocol.
B. IKEv2 inherently supports NAT traversal.
C. IKEv2 messages use random message IDs.
D. The IKEv2 SA plus the IPsec SA can be established in six messages instead of nine messages.
E. All IKEv2 messages are encryption-protected.

AB