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

In point-to-point (PtP) wireless transmission, the most suitable antenna type is?

The wireless client can search for WLAN signals but cannot associate with the AP. What are the possible reasons? (Multiple choice)

In a certain SBSS system, if all A STA are configured with high priority according to e 802.11e, the performance and throughput of the entire network can be improved.

Whether the wireless terminal roams or not depends on the client-driven ruling mechanism. For the Inter wireless network card, when the "roaming initiative" is set to _____, the wireless client will not switch sensitively, and only switch when the link quality drops To another access point.