A. improved WLAN security
B. simplified AP deployment
C. dynamic RF management
D. on-demand location of rogue APs
E. system-wide control of status and alarm monitoring
F. automatic channel and power level adjustment

A. FIFO queuing， which provides a means to hold packets while they are waiting to exit an interface
B. Priority queuing， which ensures a fixed amount of bandwidth
C. Custom queuing （CQ）， which provides a queuing tool that services all queues， even during times of congestion
D. Bandwidth queuing， which ensures a minimum amount of bandwidth
E. Weighted fair queuing （WFQ）， which classifies packets based on flows