In the WLAN Planner tool, under what circumstances will it not prompt whether to enter roaming mode when walking on a 3D floor?

Question

Options

• AThe number of AP is greater than 50 or equal to 0
• BThe number of APs is greater than 100 or equal to 0
• CWhen the signal strength on the floor is too low
• DWhen there are insulating obstacles

• A
  7% (1)
• B
  13% (2)
• C
  7% (1)
• D
  73% (11)

Explanation

Option D is correct because insulating obstacles physically block radio signal propagation, making roaming mode analysis meaningless in that context - the WLAN Planner tool recognizes that if the floor contains insulating obstacles, there is no viable signal path to roam across, so prompting the user to enter roaming mode would serve no purpose.

Options A and B are distractors that introduce plausible-sounding AP count thresholds, but the roaming mode prompt is not gated on the number of APs - these are fabricated conditions designed to mislead. Option C (low signal strength) seems intuitive since weak signals could hinder roaming, but low signal strength is actually a reason to test roaming, not a reason to skip the prompt entirely.

Memory tip: Think of "insulating" as "insulation = isolation" - an insulating obstacle completely isolates one area from another, so roaming becomes impossible by definition, and the tool won't ask what you can't do.

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