300-425 · Question #310
Which Cisco feature proactively detects and mitigates interference from non-Wi-Fi devices?
The correct answer is A. CleanAir. Cisco CleanAir uses dedicated spectrum intelligence chips in APs to detect, classify, and mitigate interference from non-Wi-Fi sources such as microwaves, Bluetooth, and cordless phones.
Question
Which Cisco feature proactively detects and mitigates interference from non-Wi-Fi devices?
Options
- ACleanAir
- BClientLink
- CBand Select
- DFastLane
How the community answered
(27 responses)- A93% (25)
- C4% (1)
- D4% (1)
Why each option
Cisco CleanAir uses dedicated spectrum intelligence chips in APs to detect, classify, and mitigate interference from non-Wi-Fi sources such as microwaves, Bluetooth, and cordless phones.
CleanAir is Cisco's proprietary spectrum intelligence technology built into compatible APs. It continuously analyzes the RF spectrum using dedicated ASIC chips, identifies non-Wi-Fi interferers by type, and triggers Cisco's Air Quality reporting and automatic mitigation actions like channel changes via RRM.
ClientLink is Cisco's transmit beamforming technology that improves downlink performance to legacy single-antenna clients and has no role in interference detection.
Band Select steers dual-band capable clients from 2.4 GHz to 5 GHz to reduce congestion but does not detect or mitigate non-Wi-Fi interference sources.
FastLane is a Cisco QoS feature that prioritizes iOS device traffic on the WLAN and has no spectrum analysis or interference mitigation capability.
Concept tested: Cisco CleanAir spectrum intelligence and interference mitigation
Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-10/config-guide/b_cg810/cleanair.html
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