Scalability： with the cisco wireless location appliance， 2500 devices including wireless clients or wi-fi tags can be tracked simultaneously， helping ensure that location services can be applied to an entire enterprise environment. Which of the following functions on the wireless lan controller is used to determine whether or not a rogue access point is connected to the same layer 2 network？（）

A. rogue detector
B. rogue containment
C. rldp
D. rid