The virus signature database on the device needs to be continuously upgraded from the security center platform. Which of the following is the URL of the security center platform?

Huawei USG6000 products can scan and process certain file transfer protocols for viruses, but which of the following protocols is not included?

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

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

Which two of the following options use similar attack methods and generate a large number of useless reply packets, occupying network bandwidth and consuming device resources?