Question 91

In the 802.11 frame, what is the value used to record the network allocation vector (NAV)?
  • Question 92

    When wireless network engineers are planning for WLAN networks, the purpose of RF simul-ation is (ABC) (Select 3 Answers).
  • Question 93

    If AP wants to get the IP adress of AC through NS Server, the first thing is to get the IP adress of their own IP address, the DHCP Server and DNS.
  • Question 94

    How many subcarriers can 802.11n use to transmit data in 20M mode?
  • Question 95

    Because the maximum support rate of 802.11a is the same as 802.11g, so the protocol of 802.11a is backwards compatible with 802.11g protocol.