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To maintainseamless client roamingin enterprise-grade Wi-Fi environments,RUCKUS recommends 20–25% signal overlapbetween adjacent AP coverage cells.

According toRUCKUS One Online Help – Roaming and Coverage Design Guidelines, this overlap ensures clients maintain an adequate RSSI and SNR threshold during roaming events without coverage gaps.

RUCKUS Analytics 3.5 User Guide – Client Mobility Analysisconfirms that insufficient overlap often leads to disconnects or sticky-client behavior, while excessive overlap increases co-channel interference.

This guideline applies across 2.4 GHz and 5 GHz deployments, ensuring smooth transitions for 802.11r/k/v-enabled clients.

Whenspectrum analysis modeis enabled on aRUCKUS Access Point, the AP’s radios are temporarily dedicated to spectrum scanning and interference analysis, meaning they cannot serve wireless clients during that period. Therefore,new clients will not be able to join, and existing clients are typically disconnected.

According to theRUCKUS One Online Help – Spectrum Analysis ToolandRUCKUS AI Documentation – RF Monitoring and Optimization, spectrum analysis mode captures and reportsRF energy utilization, identifying interference sources such as non-Wi-Fi devices, microwave ovens, or Bluetooth. The AP alternates its radio into “sniffer” mode to analyze RF characteristics, during whichclient association and data traffic handling are suspended.

The output is visualized throughgraphs and real-time utilization charts, not histograms. Furthermore, an AP can only scan one band (either 2.4 GHz or 5 GHz) at a time — not both simultaneously.

Thus, the correct answer isA, since enabling spectrum analysis prevents new client associations while the AP is in scanning mode.

TheClient Isolationfeature on RUCKUS access points and controllers prevents wireless clients connected to the same SSID from communicating directly with each other within the same subnet. This is particularly important for guest or public networks to enhance security and privacy. However, administrators may sometimes need to allow access to specific network services or devices—such as printers, gateways, or media servers—within that same subnet.

RUCKUS systems address this need through theIsolation Whitelistcapability. As described in theRUCKUS One Online HelpandRUCKUS Cloud documentation, theIsolation Whitelistallows administrators to specify destination IP or MAC addresses that are exempt from client isolation rules. This enables controlled access without fully disabling client isolation across the network.

Other options likedirected multicastoraccess control list (ACL)manage traffic types or filtering policies but are not specific to client-to-client communication exceptions. Therefore, theIsolation Whitelistis the correct answer.