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200-301 · Question #672
200-301 Question #672: Real Exam Question with Answer & Explanation
The correct answer is D: channels 1, 6, and 11. In the 2.4 GHz band in the United States, channels 1, 6, and 11 are the three standard non-overlapping channels that can be used simultaneously without interference.
Submitted by olafpl· Mar 5, 2026
Question
Which set of 2.4 GHz nonoverlapping wireless channels is standard in the United States?
Options
- Achannels 2, 7, 9, and 11
- Bchannels 1, 6, 11, and 14
- Cchannels 2, 7, and 11
- Dchannels 1, 6, and 11
Explanation
In the 2.4 GHz band in the United States, channels 1, 6, and 11 are the three standard non-overlapping channels that can be used simultaneously without interference.
Common mistakes.
- A. Channels 2, 7, and 9 would all overlap with each other, causing significant interference.
- B. Channel 14 is not allowed for Wi-Fi use in the United States, making the inclusion of it incorrect.
- C. Channels 2 and 7 overlap with channel 6 and each other to some extent; channel 11 is non-overlapping, but the set as a whole is not non-overlapping.
Concept tested. 2.4 GHz Wi-Fi non-overlapping channels
Topics
#Wi-Fi channels#2.4 GHz#Non-overlapping channels
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