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CWNP CWNA-109 Exam - 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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Nobuko
5 months ago
Wait, how can the AP be online but still have issues?
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Mitzie
5 months ago
Could be the AP is misconfigured, definitely check that.
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Dong
5 months ago
I think it's more likely a client config problem.
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Thurman
6 months ago
Sounds like a firmware issue to me.
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Yuki
6 months ago
Totally agree, a firmware update might fix this!
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Caprice
6 months ago
I'm leaning towards the AP failing, but since it's online, that seems unlikely. I guess it could still be a configuration issue, though.
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Mabel
6 months ago
I feel like I read something about AP configuration issues causing problems, especially after changes like a passphrase update. Could that be it?
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Shayne
7 months ago
This reminds me of a practice question where client configuration was the problem. Maybe the clients just need to reconnect with the new passphrase?
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Paz
7 months ago
I remember studying about firmware updates and how they can affect connectivity, but I'm not sure if that's the issue here since the AP is online.
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Stephaine
7 months ago
This is a tough one, but I think I can figure it out. I'll need to carefully analyze the symptoms and consider all the options before selecting the best answer.
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Georgene
7 months ago
I've got a good feeling about this one. The information provided points to an issue with the specific AP covering the problem area, so I'll start there.
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Jarod
7 months ago
Okay, let's see. The key details seem to be the recent passphrase change and the issue being isolated to one area. I'll focus on troubleshooting the AP in that problem zone.
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Caitlin
8 months ago
Hmm, I'm a bit unsure about this one. I'll need to review the information and try to narrow down the most likely issue.
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Hollis
8 months ago
This seems like a tricky one. I'll need to carefully consider the details provided and think through the possible causes.
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Reyes
1 year ago
Wait, do we have a RADIUS server or not? I'm confused, this question is giving me a headache.
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Christiane
1 year ago
I bet the AP is just having a bad day and is feeling a little under the weather. Improper configuration, definitely.
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Katy
11 months ago
D) The AP that covers the problem area is improperly configured
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Tayna
11 months ago
B) The clients are improperly configured
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Roxanne
12 months ago
A) The AP that covers the problem area requires a firmware update
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Ashley
1 year 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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Joanne
12 months ago
D) The AP that covers the problem area is improperly configured
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Gerald
1 year ago
C) The AP that covers the problem area has failed
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Melissa
1 year ago
B) The clients are improperly configured
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Lavera
1 year ago
B) The clients are improperly configured
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Stephaine
1 year ago
A) The AP that covers the problem area requires a firmware update
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Dorothy
1 year ago
A) The AP that covers the problem area requires a firmware update
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Gerardo
1 year 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
1 year 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
1 year ago
I think sensors above the plenum on each floor would provide the best overall coverage.
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Bobbie
1 year 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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Laticia
1 year ago
D) The AP that covers the problem area is improperly configured
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Mona
1 year ago
C) The AP that covers the problem area has failed
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Jacquline
1 year ago
B) The clients are improperly configured
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Stephen
1 year ago
A) The AP that covers the problem area requires a firmware update
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Launa
1 year ago
Improperly configured clients? Sounds like someone needs to brush up on their network administration skills.
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Bettye
1 year 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
1 year 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
1 year 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
1 year ago
I agree with Robt, it could be a firmware issue causing the connection problem.
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Herminia
1 year ago
I believe sensors should be deployed in critical areas where WLAN performance must be high for best results.
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Vanna
1 year 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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Theola
1 year ago
D) The AP that covers the problem area is improperly configured
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Serina
1 year ago
C) The AP that covers the problem area has failed
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Juan
1 year ago
A) The AP that covers the problem area requires a firmware update
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Robt
1 year ago
I think the AP that covers the problem area requires a firmware update.
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Malcom
1 year ago
I agree with Altha, having sensors alongside each AP can provide better coverage.
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Altha
1 year ago
I think sensors should be deployed every 5 meters and alongside each AP.
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