The 802.11 protocol that defines QoS in WLAN is?

When A2220X-P AGP working at 11a perishable bridge, default, and maximum ____ a peer device of the established bridge building, while the peer signal strength RSSI should at least be greater than _______ bridge in order to ensure stable operation.

In order to reduce the impact of the surrounding environment and ensure the stability of the wireless bridging equipment, how much frequency band is usually used to establish bridging applications? at the same time, the working channels of the two bridging equipment are?

When performing a traffic test on an AP, which of the following software will have an impact on AP performance?

What are the links in the delivery process of wireless network optimization services with personnel input? (Multiple choice)