CWNP
CWNA-108 · Question #16
You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this…
The correct answer is B. The clients are all 802.11n STAs or lower. 802.11n can only reach a maximum of 40 Mhz channel width.
802.11 MAC and Physical Layers
Question
You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this behavior?
Options
- AThe short guard interval is also enabled
- BThe clients are all 802.11n STAs or lower
- CThe AP is improperly configured to use only 40 MHz of the 80 MHz allocated bandwidth
- DAll clients implement single spatial stream radios
How the community answered
(26 responses)- A4% (1)
- B73% (19)
- C4% (1)
- D19% (5)
Explanation
802.11n can only reach a maximum of 40 Mhz channel width.
Topics
#channel width#802.11n backward compatibility#802.11ac#80 MHz channels
Community Discussion
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