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CWNP Exam CWNA-109 Topic 5 Question 25 Discussion

Actual exam question for CWNP's CWNA-109 exam
Question #: 25
Topic #: 5
[All CWNA-109 Questions]

You administer a small WLAN with nine access point. As a small business, you do not rum a RADIUS server and use WPA2-Personal for security. Recently, you changed the passphrase for WPA2-personal in all Aps and clients. Several users are now reporting the inability to connect to the network at time and it is constrained to one area of the building. When using scanner, you see that the AP covering that area is online

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Suggested Answer: C

Sensors should be deployed in critical areas where WLAN performance must be high for best results when using a WLAN monitoring solution that utilizes distributed sensor devices. A WLAN monitoring solution is a system that collects, analyzes, and reports on the status and performance of a WLAN. A WLAN monitoring solution can use different methods to gather data from the WLAN, such as embedded software agents, external hardware probes, or distributed sensor devices. Distributed sensor devices are dedicated devices that are deployed throughout the WLAN coverage area to monitor the wireless traffic and environment. Distributed sensor devices can perform various functions, such as scanning the spectrum, capturing wireless frames, measuring signal quality, detecting rogue access points, testing connectivity, and generating alerts. Distributed sensor devices can provide more accurate and comprehensive data than other methods, but they also require more planning and deployment costs. Therefore, it is important to deploy sensors strategically in critical areas where WLAN performance must be high, such as high-density zones, high-priority applications, or high-security locations. By deploying sensors in critical areas, the WLAN monitoring solution can ensure optimal WLAN performance and reliability in those areas and identify and resolve any issues or problems that may arise. The other options are not the best places to deploy sensors for best results. Deploying sensors in switching closets is not effective because sensors need to be close to the wireless medium to monitor it properly. Deploying sensors every 5 meters and alongside each AP is not efficient because sensors may overlap or interfere with each other and cause unnecessary redundancy or complexity.Deploying sensors above the plenum on each floor is not practical because sensors may not capture the wireless traffic and environment accurately due to attenuation or reflection from the ceiling materials or objects.Reference:CWNA-109 Study Guide, Chapter 14: Troubleshooting Wireless LANs, page 4831


by Carmen at Mar 22, 2025, 05:17 AM

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Ashley
8 days ago
Ah, the good ol' AP failure. Time to call in the tech support team and hope they don't charge an arm and a leg for a replacement.
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Gerardo
12 days ago
Sensors in the switching closets? Are you kidding me? Option A is a recipe for disaster. I'd rather hide them in the ventilation ducts, personally.
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Jade
13 days ago
Hold up, did someone say 'plenum'? That's the perfect spot to hide a few extra sensors, if you know what I mean. Option D all the way!
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Margret
15 days ago
I think sensors above the plenum on each floor would provide the best overall coverage.
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Bobbie
15 days ago
Option B, definitely. Might as well go for the full sensor coverage, even if it means I'll have to climb a few ladders. Gotta love that hands-on work, am I right?
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Launa
16 days ago
Improperly configured clients? Sounds like someone needs to brush up on their network administration skills.
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Bettye
17 days ago
Hmm, I'm thinking option D. Gotta keep those sensors up in the plenum, where the air is nice and crisp. Less interference, more accuracy, am I right?
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Justine
17 days ago
I believe the AP that covers the problem area has failed, that's why some users can't connect.
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Linwood
17 days ago
The firmware update seems like the most likely solution. Those pesky access points are always in need of a good update!
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Ciara
19 days ago
I agree with Robt, it could be a firmware issue causing the connection problem.
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Herminia
20 days ago
I believe sensors should be deployed in critical areas where WLAN performance must be high for best results.
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Vanna
23 days ago
Option C seems like the way to go. Why waste time and money on sensors in areas where WLAN performance isn't critical? Keep it simple and targeted.
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Robt
24 days ago
I think the AP that covers the problem area requires a firmware update.
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Malcom
27 days ago
I agree with Altha, having sensors alongside each AP can provide better coverage.
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Altha
28 days ago
I think sensors should be deployed every 5 meters and alongside each AP.
upvoted 0 times
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