The results seen through display ike sa are as follows. Which of the following statements is wrong?

• A.IKE SA has been established
• B.The neighbor address is 2.2.2.1
• C.IKE uses the V1 version
• D.IPSec SA has been established

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Under normal circumstances, the terminal number used by the RADIUS server to provide accounting services is ( ). (fill in the blank)

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In the VGMP group state, if the device's own VGMP group priority is equal to the peer device's VGMP group priority, the device's VGMP group state is ( ). (answer in letters) (fill in the blank)

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The host firewall is mainly used to protect the host from attacks and intrusions from the network.

• A.True
• B.False

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( ) means that the computer system has defects and deficiencies in the specific matters of hardware, software, protocols or system security policies. (Chinese Standard Terminology) (fill in the blank)

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