Main Topic:Post-Design ValidationandTroubleshooting
Question:
When viewing channel utilization information from a protocol analyzer, if high channel utilization is occurring, what should you ensure does not exist?
High channel utilization can be caused by various factors, but one critical issue to rule out is the presence ofan RF signal generator causing a Denial of Service (DoS)attack. Such devices can emit continuous or intermittent signals that occupy the channel, preventing legitimate Wi-Fi communication. Identifying and eliminating such sources is essential for maintaining optimal network performance.
Low PHY rates: Can contribute to increased airtime usage but are not the primary concern in this context.
High workload or frame rates: Indicate heavy usage but not necessarily malicious interference.
[Reference:CWDP-305 Study Guide, Chapter on Post-Design Validation – Spectrum Analysis and Interference Sources., , ]
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