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300-425 · Question #241
300-425 Question #241: Real Exam Question with Answer & Explanation
The correct answer is B: spectrum analyzer. A Layer 1 sweep requires measuring and visualizing the RF energy across channels to identify interference sources and channel occupancy. A spectrum analyzer provides that real-time, granular view of the RF spectrum, which is essential before any active or passive Wi-Fi survey.
Question
An engineer completes a walkthrough of a customer warehouse and is instructed to perform a Layer 1 sweep and analysis before beginning a wireless survey. Which tool is required?
Options
- AAirPCap WLAN adapter
- Bspectrum analyzer
- Cprotocol analyzer
- Doptical time domain reflectometer
Explanation
A Layer 1 sweep requires measuring and visualizing the RF energy across channels to identify interference sources and channel occupancy. A spectrum analyzer provides that real-time, granular view of the RF spectrum, which is essential before any active or passive Wi-Fi survey.
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