Given: The exhibit shows a small network environment with dual-band APs.

What is true of the network shown in this spectrum analyzer trace?

A.
There are at least three APs operating in this environment. They are operating on channels 149, 153,
and 161.

B.
There are two 40 MHz BSSs in this environment. One AP has some 40 MHz traffic while the other AP
has no client traffic.

C.
Only one AP in this network is configured to use the upper UNII band (UNII-3). All other APs are in
lower 5 GHz channels.

D.
Two 802.11a APs are near the spectrum analyzer and are heavily utilized on channels 149 and 153.