Question 51
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
Question 52
802.11a What are the supported rates ()?
Question 53
AP Transmit power 20dBm , Antenna gain 4dBi , Cable and device loss 1dB , Terminal receiving antenna gain 2dBi , Space propagation loss 80dB , Terminal receiving level RSSI= ().
Question 54
WLAN middle,AP It has been working in a half-duplex state.
Question 55
There are four wireless STA, According to the following backoff time parameters, which workstation has the priority to occupy the channel?