In Huawei's intelligent immersion solution, it is necessary to collect information about neighboring APs. The collection method only relies on the AP to listen to the Probe frame of the terminal, or the AP periodically switches channels and actively scans the terminal.

Different countries have different EIRP restrictions. When creating a new project, you need to select the region where the project is located. After the region is determined, WLAN Planner will automatically set the AP default parameters according to the EIRP of the corresponding region.

In a WLAN network, the signal strength of the wireless signal will gradually weaken during the transmission process.
Which of the following factors affect signal attenuation? (Multiple choice)

The license file of Huawei wireless controller is bound to the equipment serial number (ESN), that is, the license file is unique and corresponds to the device.

As shown in the figure, in the dual-link load-sharing hot standby network, AP1 is a newly launched AP, and both WACs have the configuration to access this AP. Which of the following WACs will AP1 access first?