Question 51
Among the following obstacles, () has the largest loss of wireless signals.
Question 52
exist 802.11 In the frame, which type of message is used by the terminal to receive data packets in the power-saving mode?
Question 53
If one BSS Totally by STA Composition, then BSS What is also called ()?
Question 54
Radio frequency mainly uses spread spectrum technology. Which of the following technologies belong to spread spectrum technology ()? (Select 2 Answers)
Question 55
Indoor installation AP The power is generally () mW .