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.

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多项选择题

Which two parameters are configured in IPsec policy？（）

A.mode
B.IKE gateway
C.security proposal
D.Perfect Forward Secrecy

多项选择题

Which three parameters are configured in the IKE policy？（）

A.mode
B.preshared key
C.external interface
D.security proposals
E.dead peer detection settings

多项选择题

Which two statements about the Diffie-Hellman （DH） key exchange process are correct？（）

A.In the DH key exchange process， the session key is never passed across the network.
B.In the DH key exchange process， the public and private keys are mathematically related using the DH algorithm.
C.In the DH key exchange process， the session key is passed across the network to the peer for confirmation.
D.In the DH key exchange process， the public and private keys are not mathematically related， ensuring higher security