It has been over a decade since I've taken the CWNA. I think a lot of the concepts are the same for anyone else who has also taken that. I've been doing this for 10+ years and I didn't feel too much of a need to study and was able to pass this while only brushing up on some of the newer stuff like roaming and 802.11ac. The topic I got the lowest score in was for troubleshooting. I can't get into details but the questions are very much a "it depends," and not black and white but whatever, I passed it. I also took the CWDP and passed that - If you've been in the WLAN field for more than 5 years and do designs on the regular, just go in and take it. It was that easy BUT that is due to my experience. I did decide to review some of the CWDP materials and I had most of 80% of it all in my head and just rounded the things out to make sure but you can also round/process of elimination those questions on the test in your head. The CWAP and CWSP ar...
WiFi is a craft and I'm crafty