Intranet users can access the Internet normally, and dual links are used for master and backup backup.
For Internet users, the FTP server can be accessed through the public network address. Two public network addresses are announced, 200.1.1.200 and 202.1.1.200.
Which of the following configuration is correct?

The firewall works in dual-system hot backup in active-standby mode. The intranet server provides web services, and the external network users often experience slow or inaccessible access when accessing. Intranet users can access normally.
What could be the reasons?

Regarding the firewall NAPT technology, the following description is incorrect: