Regarding the processing process of file overwhelming, which of the following statements is correct?

• A.The file filtering module will compare the application type, file type, and transmission direction of the file identified by the previous module with the file filtering rules configured by the administrator.
  Then the lookup table performs matching from top to bottom.
• B.There are two types of actions: warning and blocking.
• C.If all the parameters of Wenzhu can match all file filtering rules, then the module will execute the action of this file filtering rule.
• D.If the file type is a compressed file, then after the file filtering check, the female file will be sent to the file decompression module for decompression and decompression.
  Press out the original file. If the decompression fails, the file will not be re-filed.

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The IPS process has the following steps:
1. Reorganize application data
2. Match signature
3. Message processing
4. Protocol identification
Which of the following is the correct ordering for the processing?

• A.1-4-2-3
• B.1-3-2-4
• C.4-1-2-3
• D.2-4-1-3

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When configuring the URL filtering configuration file, www.bt.com is configured in the URL blacklist-item:
At the same time, set it in the custom URL category.
A URL is set as bt.com, and the action of customizing URL classification is a warning. Regarding the above configuration, which of the following statements are correct? (More select)

• A.The user can visit the www.bt.com website, but the administrator will receive a warning message.
• B.Users can visit www.videobt.com website.
• C.When users visit www.bt. com, they will be blocked.
• D.User cannot access all the sites ending with bt com.

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Which of the following options does not belong to the defense against HTTP flood attacks?

• A.HTTP source statistics
• B.Baseline learning
• C.URI source fingerprint learning function
• D.HTTP Flood Source Authentication

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The main attack defense technologies of Huawei USG6000 include source detection, fingerprint learning and correlation defense.

• A.True
• B.False

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