The Priority field in the VLAN tag can identify the priority of the data frame. What is the range of this priority?

Which of the following IEEE802.11 standards only supports 2.4GHz frequency band for communication?

When the router is powered on, it will read the configuration file from the default storage path to initialize the router. If there is no configuration file in the default storage path, what will the router use for initialization?

As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change.

AC uses CAPWAP control tunnel to transmit management messages to FIT AP.