What do you do?

Users complain about intermittent wireless connectivity issues. You see the following message on
your Cisco WCS, corresponding the time the connectivity issues occurred.
AP ‘building-1-entrance’, interface ‘802.11b/g’ on Controller ‘10.1.1.2’. Noise threshold violated.

What do you do?

A.
Increase the interference threshold from the default 10%.

B.
Use a spectrum analyzer to discover the noise source.

C.
Check the logs for rogues in the area, and turn on rogue mitigation.

D.
Increase the power of the APs in the entrance hall.