When is the Poor Link SNR Alarm generated in a mesh network?
A.
when the SNR between the mesh nodes falls below 15 dB.
B.
when the SNR between the client and the AP falls below 20 dB.
C.
when the SNR between the mesh nodes falls below 12 dB.
D.
when the Cisco WCS receives the first 10 SNR links from the network.