(group8) #show ap arm history ap-name AP1
Interface :wifi0
ARM History
———–
Time of Change Old Channel New Channel Old Power New Power Reason
————– ———– ———– ——— ——— ——
2010-10-28 07:58:53 157+ 149+ 21 21 I
2010-10-28 07:52:06 149+ 157+ 21 21 M
2010-10-28 07:16:59 157+ 149+ 21 21 I
Interface :wifi1
ARM History
———–
Time of Change Old Channel New Channel Old Power New Power Reason
————– ———– ———– ——— ——— ——
2010-10-28 08:52:53 6 1 21 21 I
Referring to the output above. What can you conclude about AP1?

A.
This device is scanning channels.

B.
This device is unstable because the channel assignment changed.

C.
The device changed channels recently.

D.
The device changed channels and power levels recently.

E.
The device is transmitting at maximum power levels.