Cisco
200-301 · Question #1610
When a 5 GHz wireless network is implemented using 20 MHz channels with no DFS, how many nonoverlapping channels are available?
The correct answer is A. 6. In the 5 GHz band, using only the UNII-1 and UNII-3 bands (no DFS), there are 6 nonoverlapping 20 MHz channels available.
Submitted by zhang_li· Mar 5, 2026Network Access
Question
When a 5 GHz wireless network is implemented using 20 MHz channels with no DFS, how many nonoverlapping channels are available?
Options
- A6
- B9
- C8
- D4
How the community answered
(30 responses)- A90% (27)
- B7% (2)
- C3% (1)
Explanation
In the 5 GHz band, using only the UNII-1 and UNII-3 bands (no DFS), there are 6 nonoverlapping 20 MHz channels available.
Topics
#Wi-Fi channels#5 GHz#channel planning#DFS
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