In cloud-based WAC management, d ' ter WACs register with iMaster NCE-Campus. administrators can remotely manage and control WACs and their connected Fit APs on enterpnse networks, enabling automatic deployment, service provisioning, monitoring, and OS.M of wireless networks. The WAC can obtain the IP address of iMaster NCE-Campus through multiple methods. Sort the methods in descending order of priority.

Which of the following statements are true about the site design in Huawei ' s CloudCampus Solution?
When a STA roams from API to AP2 at Layer 2, AP2 notifies its neighbors of from this STA is encapsulated in a tunnel and sent to API for forwarding.
Satellite positioning can achieve high positioning accuracy in both indoor and outdoor scenarios.