Which of the following statements is true about the process of file filtering?

• A.If the file type is a compressed file, then after file filtering detection, the file will be sent to the file decompression module for decompression and decompressing the original file. If decompression fails, the file will no longer be filtered.
• B.If all the parameters of the file can match all the file filtering rules, the module will perform the action of this file filtering rule.
• C.The file filtering module will match the application type, file type, transmission direction of the file identified by the previous module and the file filter rule query table configured by the administrator from top to bottom.
• D.There are two alarms and blocking actions.

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Regarding the enhanced mode in HTTP Flood source authentication, which of the following descriptions are correct? Multiple choices

• A.Some bots have a redirection function, or the free proxy used during the attack supports the redirection function, which leads to the failure of the basic mode of defense Effective, enhanced mode can effectively defend.
• B.The enhanced mode is superior to the basic mode in terms of user experience.
• C.Enhanced mode refers to the authentication method using verification code.
• D.Enhanced mode supports all HTTP Flood source authentication fields. " WWQQ: 922333

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If the processing strategy for SMTP virus files is set to alert, which of the following options is correct?

• A.Add announcement and generate log
• B.Generate logs and forward them
• C.Delete the content of the email attachment
• D.Generate logs and discard

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The following is a description of black and white lists in spam filtering. Which option is wrong?

• A.Configure a local blacklist or whitelist: You can configure both blacklist and whitelist at the same time, or you can configure only one of them.
• B.The priority of the blacklist is higher than that of the whitelist.
• C.Enter the IP address and mask of the blacklist SMTP server in the Blacklist text box. You can enter multiple IP addresses, one IP address one line.
• D.Enter the IP address and mask of the whitelisted SMTP server in the Whitelist text box. You can enter multiple IP addresses, one IP address one line.

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The user needs of a university are as follows:
1. The environment is large, and the total number of two-way traffic can reach 800M. Huawei USG6000 series firewall is deployed at its network node.
2. The intranet is divided into student area, server area, etc., users are most concerned about the security of the server area to avoid attacks from various threats.
3. At the same time, some pornographic websites in the student area are prohibited.
The external network has been configured as an untrust zone and the internal network has been configured as a trust zone on the firewall. How to configure the firewall to meet the above requirements?

• A.To the untrust direction, only enable AV and IPS protection functions for the server zone to protect the server
• B.Go to the untrust direction to open the URL filtering function for the entire campus network, and filter some classified websites
• C.In the direction of untrust to the intranet, only the AV and IPS protection functions are turned on for the server area to protect the server
• D.You can directly turn on the AV, IRS protection functions, and URL filtering functions in the global environment to achieve the requirements

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