The following figure is a schematic diagram of the detection file of the firewall and the sandbox system linkage.

The Web reputation function is enabled on the firewall, and website A is set as a trusted website and website B is set as a suspicious website.
Which of the following statements is correct

• A.After the detection node detects the suspicious file, it not only informs the firewall in the figure of the result, but also informs other network devices connected to it.
• B.When a user visits website B, although the firewall will extract the file and send it to the detection node, the user can still access normally during the detection process Site B.
• C.The files obtained by users from website A and website B will be sent to the inspection node for inspection.
• D.Assuming that website A is an unknown website, the administrator cannot detect the traffic file of this website sC

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Huawei USG6000 product can virus scan and process certain file transfer protocols, but which of the following protocol does not include?

• A.IMAP
• B.POP3
• C.TFTP
• D.FTP

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About the anti-virus gateways based on flow-scanning, which of the following statement is wrong?

• A.The detection rate is higher than proxy-scanning-based
• B.The cost is smaller than proxy-based
• C.Performance is higher than proxy-based
• D.Depends on state detection technology and protocol analysis technology

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Which of the following descriptions about the black and white lists in spam filtering is wrong?

• A.Enter the IP address and mask of the SMITP Server to be added to the blacklist in the "Blacklist" text box, you can enter multiple IP addresses, one IP Address one line.
• B.Set local blacklist and whitelist: Both blacklist and whitelist can be configured at the same time, or only one of them can be configured.
• C.In the "Whitelist" text box, enter the P address and mask of the SMTP Server to be added to the whitelist. You can enter multiple IP addresses, one IP address Address one line. v
• D.The priority of the blacklist is higher than that of the whitelist.

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Which of the following is not detected action when detecting a virus in a message?

• A.Blocking
• B.Alarms
• C.Announcement
• D.Delete the attachment

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