Regarding Ihe description of the packe: in the iptables transmission process, which of the following option is wrong?

• A.When a packet enters the network card, it first matches the PREROUTING chain
• B.Ifthe destination address of the packet is local, the packet will be sent to the INPUT chain
• C.If the destination address of the packet is not local, the system sends the packet to the OUTPUT chain.
• D.If the destination address of the packet is not local,the system sends the packet to the FORWARD chain.

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Which of the following descriptions about the patch is wrong?

• A.Patches are generally updated.
• B.Computer users should download and install new patches to protect their systems in a timely manner
• C.No patching does not affect the operation of the system, so it is irrelevant whether to patch or not.
• D.Patch is a small program made by the original authorof the software for the discovered vulnerability.

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Which of the Policy Center functional areas is wrong?

• A.Isolation domain refers to the client after authenticated must have access to the area
• B.Post-authentication domain refers to the client can access through the security certification area
• C.Isolation domain refers to the client security authentication failed the required access area
• D.Pre-authentication domain refers to the client through the identity authentication before access to the area

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HTTP packets are carried by UDP, and the HTTPS protocol is based on TCP three-way handshake. Therefore, HTTPS is relatively secure, and HTTPS is recommended.

• A.False
• B.True

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Which of the following is not a rating in the network security incident?

• A.Major network security incidents
• B.General network security incidents
• C.Special network security incidents
• D.Larger network security incidents

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