Question 51
Which of the following modulation techniques does 802.11b use to achieve a transmission rate of 11Mbps?
Question 52
In the 802.11i standard, the protocol that needs to be encrypted by hardware is ______, so it needs network card hardware support.
Question 53
(Single choice) Which of the following is the correct description of the process of CAPWAP negotiation from AP to AC?
Question 54
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 contention points reach ______, the air interface conflict will increase sharply. To ensure the effective bandwidth of users, it is recommended that the number of concurrent users under each AP does not exceed ______.
Question 55
What are the ways to deploy wireless positioning APs?