Which two options are benefits of IKEv2 over IKEv1? (choose two)
A. IKEv2 supports NAT trasversal whereas IKEv1 cannot
B. IKEv2 supports EAP for remote access connections
C. IKEv2 supports sending identifiers in clear text
D. IKEv2 supports stronger encryption chipers than IKEv1
E. IKEv2 supports public key encryption whereas IKEv1 does not
B+D
Answer A is incorrect. Both IKEv1 and IKEv2 supports NAT-T.
Different is IKEv2 has “built in” NAT-T while IKEv1 has to be manually enable within the VPN configuration. If you have an ASA NAT-T is enabled by default.
A+B
https://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_ike2vpn/configuration/15-2mt/sec-cfg-ikev2-flex.html
B+D