Question 1,651 of 1,840
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350-401 Practice Question: Runs the following command on a Cisco WLC: WLC#…
A network engineer runs the following command on a Cisco WLC:
WLC# show ap stats ap-name AP-1
AP Statistics for AP-1 ---------------------- Channel Utilization: 45% Interference: 10% Noise Floor: -95 dBm Total Packets Received: 15000 Total Packets Sent: 12000 Total Errors: 200
Based on this output, what can be concluded?
⚠ Common exam trap
Cisco often tests the misconception that any non-zero error count or moderate utilization is automatically problematic, when in fact the absolute values and percentages must be evaluated against established thresholds (e.g., noise floor below -90 dBm is good, utilization under 50% is moderate).
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The channel utilization is moderate and the noise floor is low.
The channel utilization of 45% is considered moderate (typically below 50% is acceptable), and the noise floor of -95 dBm is very low (excellent), indicating a clean RF environment. The interference value of 10% is also low, and the error count of 200 out of 15,000 received packets (1.33%) is not significant. This output shows a healthy AP with no major issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The channel is heavily congested with utilization above 80%.
Why it's wrong here
Utilization is 45%, not above 80%.
- ✗
The noise floor is high, indicating potential interference.
Why it's wrong here
A noise floor of -95 dBm is actually very good (low noise).
- ✗
The AP is experiencing a significant number of errors relative to packets received.
Why it's wrong here
200 errors out of 15000 is about 1.3%, which is acceptable.
- ✓
The channel utilization is moderate and the noise floor is low.
Why this is correct
45% utilization is moderate, and -95 dBm noise floor is low, indicating a relatively clean channel.
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Last reviewed: Jul 4, 2026
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