Which two statements about IKEv2 are true? (Choose two)
A. It uses EAP authentication
B. It uses X.509 certificates for authentication
C. The profile is a collection of transforms used to negotiate IKE SAs
D. It supports DPD and Nat-T by default
E. The profile contains a repository of symmetric and asymmetric preshared keys
F. At minimum, a complete proposal requires one encryption algorithm and one integrity algorithm
