300-365 · Question #3
A network engineer has installed 802.11ac access points with 80 MHz enabled; however, in the conference rooms, co-channel interference is being noticed. Under which tab in the RF profiles…
The correct answer is B. RRM. In Cisco WLC RF profile configuration, channel width settings are located under the RRM tab, which houses all Radio Resource Management tuning parameters.
Question
A network engineer has installed 802.11ac access points with 80 MHz enabled; however, in the conference rooms, co-channel interference is being noticed. Under which tab in the RF profiles configuration can the engineer find the settings to tune the channel width for a group of APs?
Options
- A802.11
- BRRM
- CHigh Density
- DGeneral
How the community answered
(21 responses)- A14% (3)
- B76% (16)
- C5% (1)
- D5% (1)
Why each option
In Cisco WLC RF profile configuration, channel width settings are located under the RRM tab, which houses all Radio Resource Management tuning parameters.
The 802.11 tab in RF profiles governs transmit power levels and supported data rates, not channel width assignment.
The RRM (Radio Resource Management) tab within a Cisco WLC RF profile contains DCA (Dynamic Channel Assignment) settings, including the allowed channel width options (20, 40, or 80 MHz for 802.11ac), allowing an engineer to restrict channel width for a specific group of APs assigned to that RF profile to mitigate co-channel interference.
The High Density tab contains settings optimized for dense client environments such as band select, load balancing, and multicast handling, not channel width.
The General tab contains basic profile metadata such as the profile name, description, and band selection, not RF tuning parameters like channel width.
Concept tested: RF profile RRM channel width configuration for APs
Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-10/config-guide/b_cg810/rf_profiles.html
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