Which of the following statement is TRUE about AC functions in the implementation of radio calibration?
A . The AC maintains AP neighbor topology information according to the radio environment information sent by APs.
B . The AC runs the radio calibration algorithm to coordinate and allocate channels and transmit power of APs.
C . The channel adjustment and power adjustment algorithms in radio calibration are coupled with each other, and the AC needs to consider their influence to each other.
D . The AC sends alarms, such as the AP offline alarms to the network management system.
Answer: C