You are designing a wireless LAN with the following components: - High-density indoor access point deployment - 2.4-GHz and 5-GHz radios - 802.11a, 802.11g, and 802.11n mode wireless LAN clients Site survey results show negligible foreign WiFi and non-WiFi interference.
What is the best method to decrease duty cycle (radio frequency utilization) and increase overall wireless LAN client performance for this design?
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A. B. C. D. E.A.
The best method to decrease duty cycle and increase overall wireless LAN client performance in a high-density indoor access point deployment with 2.4-GHz and 5-GHz radios and 802.11a, 802.11g, and 802.11n mode wireless LAN clients, with negligible foreign WiFi and non-WiFi interference is to decrease radio transmit power on all access points that report a high duty cycle. Therefore, the correct answer is B.
Explanation: Duty cycle is the percentage of time that the radio frequency (RF) is in use transmitting or receiving data. A high duty cycle means that the RF is in use for a large percentage of the time, which can cause congestion and reduce overall wireless LAN client performance.
Reducing the radio transmit power on all access points that report a high duty cycle can help to decrease the duty cycle by reducing the coverage area of each access point, which in turn reduces the number of clients associated with each access point. This can help to distribute the clients more evenly across the access points, reducing congestion and increasing overall client performance.
Disabling data rates below 12 Mb/s or above 12 Mb/s on all access points may not necessarily reduce the duty cycle or improve client performance. It may even cause some clients to be unable to connect to the network if they do not support the remaining data rates.
Increasing radio transmit power on all access points may increase the coverage area of each access point, but it can also increase the number of clients associated with each access point, causing congestion and reducing overall client performance.
Therefore, reducing the radio transmit power on all access points that report a high duty cycle is the best method to decrease duty cycle and increase overall wireless LAN client performance in this scenario.