Wireless RF & Security Practice Questions

One solved question, so you can see how these are marked

Which set of channels gives three non-overlapping 20 MHz channels in the 2.4 GHz band in North America?

1, 6 and 11

2.4 GHz channels are spaced 5 MHz apart but each is about 20 MHz wide, so only channels 1, 6 and 11 avoid overlap in North America. Channels 36 and above are in the 5 GHz band.

Every question in the set below is marked like this. The answers stay hidden until you pick one.