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Exam CWNA-107 topic 1 question 48 discussion

Actual exam question from CWNP's CWNA-107
Question #: 48
Topic #: 1
[All CWNA-107 Questions]

During a post-implementation survey, you have detected a non-802.11 wireless device transmitting in the area used by handheld 802.11g scanners. What is the most important factor in determining the impact of this non-802.11 device?

  • A. Protocols utilized
  • B. Channel occupied
  • C. Receive sensitivity
  • D. Airtime utilization
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Suggested Answer: B 🗳️
by Jeet at July 12, 2019, 12:53 a.m.

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Coolbreeze
Highly Voted 5 years, 1 month ago
Correct answer is D. Airtime Utilization is a per-channel statistic that defines what percentage of the channel is currently being used, and what percentage is therefore free. Airtime usage can come from: Data traffic to and from client devices. Interference from WiFi and non-WiFi sources. Management overhead from APs and client devices. https://wyebot.com/2019/06/06/understanding-airtime-utilization/
upvoted 8 times
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samrai
Highly Voted 4 years ago
ill stick with B- channel occupied, if I can avoid the interference by moving to a cleaner channel, then there is no need to evaluate the Dwell time/ airtime utilization of interfering signal.
upvoted 5 times
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EAG
Most Recent 3 years, 5 months ago
D is the answer. See page 477 of the Official Study Guide.
upvoted 1 times
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Jeet
5 years, 4 months ago
Sorry I mean D.
upvoted 3 times
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Jeet
5 years, 4 months ago
Should be C
upvoted 1 times
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C (25%)
B (20%)
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