Câu 37: H12-711-V4-0: HCIA-Security V4.0

Which of the following statements are correct about the main mode and aggressive mode? (Choose all that apply.)

1. A. In aggressive mode, the identity cannot be protected because key exchange and identity authentication are performed simultaneously. — đáp án hiện tại
2. B. During remote access, if the address of the initiator (terminal user) cannot be predicted by the responder (server) or it is always changing, and both parties want to use pre-shared key authentication to create IKE SAs, the aggressive mode can be used. — đáp án hiện tại
3. C. If the initiator knows or has an overall understanding of the policies of the responder, the aggressive mode can be used to create IKE SAs more rapidly. — đáp án hiện tại
4. D. Compared with the main mode, the aggressive mode is faster in establishing IKE SAs. — đáp án hiện tại