多项选择题
Regarding an IPsec security association （SA）， which two statements are true？（）
A.IKE SA is bidirectional. B.IPsec SA is bidirectional. C.IKE SA is established during phase 2 negotiations. D.IPsec SA is established during phase 2 negotiations.
多项选择题 WhichtwoparametersareconfiguredinIPsecpolicy？（）
多项选择题 WhichthreeparametersareconfiguredintheIKEpolicy？（）
多项选择题 WhichtwostatementsabouttheDiffie-Hellman（DH）keyexchangeprocessarecorrect？（）
