Which of the following statements about intrusion detection/defense devices are correct? (Multiple Choice)

Use BGP protocol to achieve diversion, the configuration command is as follows
[sysname] route-policy 1 permit node 1
[sysname-route-policy] apply community no-advertise
[sysname-route-policy] quit
[sysname]bgp10029
[sysname-bgp] peer
[sysname-bgp] import-route unr
[sysname- bgpl ipv4-family unicast
[sysname-bgp-af-ipv4] peer 7.7.1.2 route-policy 1 export
[sysname-bgp-af-ipv4] peer 7.7. 1.2 advertise community
[sysname-bgp-af-ipv4] quit
[sysname-bgp]quit
Which of the following options is correct for the description of BGP diversion configuration? (multiple choice)

An enterprise administrator configures a Web reputation website in the form of a domain name, and configures the domain name as www. abc; example. com. .
Which of the following is the entry that the firewall will match when looking up the website URL?

The core technology of content security lies in anomaly detection. The idea of defense lies in continuous monitoring and analysis.

When the Anti DDoS system finds the attack flow, the state will redirect the attack flow to the cleaning device.
After the cleaning device is cleaned, it will flow back.
Note to the original link, which of the following options does not belong to the method of re-injection?