The realization of content security filtering technology requires the support of the content security combination license.

• A.False
• B.True

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Huawei's USG000 product can identify the true type of common files and over-check the content. Even if the file is hidden in a compressed file, or change the extension The name of the exhibition can't escape the fiery eyes of the firewall.

• A.False
• B.True

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What are the following descriptions of the role of content security filtering technology? (Multiple choices)

• A.Content filtering prevents the leakage of confidential information and the transmission of non-compliant information.
• B.E-mail filtering refers to the management and control of e-mail sending and receiving activities, including the prevention of spam and the proliferation of anonymous e-mails, and the control of illegal sending and receiving.
• C.The application behavior control function can finely control the common HTTP behavior and FTP behavior.
• D.File Filtering By blocking the transmission of certain types of files, you can reduce the risk of internal networks running malicious code and viruses. You can also prevent employees from leaking corporate confidential files to the Internet.

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The anti-tampering technology of Huawei WAF products is based on the cache module. Assuming that user A accesses website B, website B has signs of page tampering. The workflow of the WAF tamper-resistant module has the following steps:
1, WAF uses the cached page to return to the client
2, WAF compares the server page content with the cached page content
3, After the learning is completed, the page content is stored in the cache
4, When the user accesses the web page, the WAF obtains the page content of the server
5, WAF initiates learning mode to learn the page content of the user visiting the website
Which of the following options is correct for the ordering of these steps?

• A.2, 4, 1, 5, 3
• B.3, 4, 2, 5, 1
• C.5, 1, 2, 4, 3
• D.5, 3, 4, 2, 1

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Which of the following is not an abnormal situation of the file type recognition result?

• A.Unrecognized file type
• B.The file extension does not match.
• C.File corruption
• D.The file is compressed

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