The configuration command to enable the attack prevention function is as follows; n
[FW] anti-ddos syn-flood source-detect
[FW] anti-ddos udp-flood dynamic-fingerprint-learn
[FW] anti-ddos udp-frag-flood dynamic fingerprint-learn
[FW] anti-ddos http-flood defend alert-rate 2000
[Fwj anti-ddos htp-flood source-detect mode basic
Which of the following options is correct for the description of the attack prevention configuration? (multiple choice)

Huawei WAF products are mainly composed of front-end execution, back-end central systems and databases.
Among them, the database mainly stores the front-end detection rules and black Whitelist and other configuration files.

File filtering technology can filter files based on the application of the file, the file transfer direction, the file type and the file extension.

An enterprise administrator configures the Web reputation system as shown in the figure. Regarding the configuration, which of the following statements is correct?

What content can be filtered by the content filtering technology of Huawei USG6000 products? (multiple choice)