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Exam CWNA-107 topic 1 question 49 discussion

Actual exam question from CWNP's CWNA-107
Question #: 49
Topic #: 1
[All CWNA-107 Questions]

A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?

  • A. Access point spectrum analyzer
  • B. Laptop-based spectrum analyzer with an omni-directional antenna
  • C. Laptop-based spectrum analyzer with a directional antenna.
  • D. Laptop-based spectrum analyzer with an omni-directional antenna.
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Suggested Answer: A 🗳️
by Beagly at July 23, 2020, 8:15 p.m.

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Beagly
Highly Voted 4 years, 4 months ago
may be C. only with a laptop and directional antena you can identify the source of interference.
upvoted 9 times
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EAG
Most Recent 3 years, 6 months ago
I will say C as well. While an AP spectrum analyzer and a Laptop-based spectrum analyzer with omni-directional antenna may be able to check for non-802.11 interference within an RF environment, neither can provide more certainty to the WLAN administrator as par the actual location of the non-802.11 interference source. Only as the WLAN engineer/administrator moves around with a laptop (in which is installed a spectrum analyzer software) with directional antenna will s/he be able to pinpoint the actual location of the non-802.11 interference within the RF environment.
upvoted 2 times
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