Which one of the following is NOT a supported IKE attribute？（）A、 PFS group.B、 Encryption algorithm.C、 Hashing Algorithm.D、 Authenticationmethod.E、 Lifetime duration.
Which one of the following is NOT a supported IKE attribute？（）
- A、 PFS group.
- B、 Encryption algorithm.
- C、 Hashing Algorithm.
- D、 Authenticationmethod.
- E、 Lifetime duration.
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