In the following description of H3C FIT AP registration, which statement is correct? (Multiple choice)

According to the working principle of the wireless air interface competition mechanism (CSMA/CA), it is recommended that the number of nodes participating in the competition should not exceed ______, because when the competition point reaches ________, air interface conflicts will rise sharply. In actual business, to ensure the effective bandwidth of users, it is recommended that the number of concurrent users under each P AP does not exceed _______.

The main content of the Beacon frame are? (Multiple choice)

In the g 802.11a/g protocol, OFDM transmission technology defines how many sub-channels, of how many sub-channels are used to transmit data?

Which of the following statements about AP AC power supply is correct? (Multiple choice)