Free mobility is a solution that ensures a user obtains the same network access policy regardless of the user location and IP address. On iMaster NCE-Campus, administrators can divide network-wide users and resources into different security groups and resource groups from different dimensions. Which of the following statements are true about security groups and resource groups?
Match the following common WLAN issues with the correct optimization suggestions.

During Portal authentication of a terminal, an authorization failure message is displayed when the user opens the push page using a browser. Which of the following could cause this problem?
During a project lifecycle, the______ document needs to be output after the high level design be output after the low level design is complete. (Enter the acronyms in capital letters.)

Which of the following technologies can be used to optimize multicast services on a WLAN?
To ensure network security, WLAN devices comply with the three-layer and three-plane security isolation mechanism of X.805. Data flows at different importance levels face different security threats with varying impacts on users. To avoid mutual impacts between data flows, three security planes are planned on WLAN devices. Which of the following does not belong to Huawei ' s network security architecture model?
Which of the following encapsulation formats are used for EAP termination in 802.1X authentication? (Select All that apply)
Drag the short-range wireless IoT technologies on the left to their corresponding descriptions on the right.

Which of the following is used for wireless positioning based on the signal propagation time?