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CWNP CWNA-109 Exam - Topic 5 Question 22 Discussion

Actual exam question for CWNP's CWNA-109 exam
Question #: 22
Topic #: 5
[All CWNA-109 Questions]

In addition to coverage analysis results, what should be included in a post-deployment site survey report to ensure WLAN users experience acceptable performance?

Show Suggested Answer Hide Answer
Suggested Answer: A

OFDMA is a new modulation scheme introduced in 802.11ax that allows multiple users to share the same channel by dividing it into smaller subchannels called resource units (RUs). This improves the efficiency and capacity of the WLAN by reducing contention and overhead. However, to use OFDMA, both the AP and the client must support 802.11ax and negotiate the parameters of the subchannel allocation.Therefore, the customer needs to upgrade the clients that require OFDMA to 802.11ax devices12.

The other options are not correct because they do not reflect the reality of OFDMA.Option B is incorrect because OFDMA is a mandatory feature of 802.11ax for both downlink and uplink transmissions, and all 802.11ax APs must support it1. Option C is incorrect because OFDM and OFDMA are different modulation schemes, and OFDM does not allow multiple users to share the same channel.Option D is incorrect because 802.11ac devices cannot support OFDMA through driver upgrades, as they lack the hardware and firmware capabilities to do so2.


by Mindy at Jan 24, 2025, 03:28 AM

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Zoila
3 months ago
Capacity analysis is a must for good performance!
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Bernardine
3 months ago
I disagree, Layer 4 protocol results aren't that important.
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Shaunna
3 months ago
Surprised WAN interface analysis isn't mentioned more often!
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Myong
4 months ago
I think application layer protocol availability is crucial too.
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Destiny
4 months ago
Definitely need capacity analysis results!
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Nu
4 months ago
I feel like WAN interface analysis results might not be as critical for a post-deployment survey. It’s more about the local network performance, right?
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Vernice
4 months ago
I practiced a question similar to this, and I think capacity analysis results are definitely needed to assess user experience after deployment.
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Tamar
4 months ago
I'm a bit unsure, but I think application layer protocol availability might be relevant too. It could affect how well applications run over the WLAN.
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Lawrence
5 months ago
I remember we discussed the importance of capacity analysis in ensuring users have enough bandwidth. That seems crucial for performance.
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Arthur
5 months ago
Based on my understanding, the post-deployment report should include an analysis of the application layer protocols and their availability to ensure users can access the services they need.
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Micah
5 months ago
I'm a bit confused on this one. Is the question asking about WAN or WLAN performance? I want to make sure I understand the focus before answering.
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Sherrell
5 months ago
Okay, I think I know the answer here. The post-deployment site survey should include capacity analysis results to ensure the WLAN can handle the expected user load.
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Bea
5 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the key factors that contribute to WLAN user experience beyond just coverage.
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Jina
10 months ago
Capacity analysis is the only way to ensure those WLAN users can surf the web at lightning speed. Gotta make sure there's enough bandwidth for all those selfies and memes.
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Merlyn
9 months ago
C) Application Layer protocol availability analysis results
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Bobbye
9 months ago
B) Capacity analysis results
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Lizbeth
9 months ago
A) WAN interface analysis results
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Vallie
10 months ago
Layer 4 protocol availability? I'm pretty sure that's just TCP and UDP, and we don't need to worry about that in a post-deployment survey. Capacity analysis is the way to go, hands down.
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Noel
10 months ago
Application Layer protocol availability? I thought this was a WLAN survey, not a deep dive into the OSI model. Gotta stick to the basics, my friend.
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Alease
9 months ago
D) Layer 4 protocol availability analysis results
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Ardella
9 months ago
C) Application Layer protocol availability analysis results
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Vernice
10 months ago
B) Capacity analysis results
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Louvenia
10 months ago
A) WAN interface analysis results
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Thomasena
10 months ago
Haha, did they really think WAN interface analysis was the answer? Clearly, they want us to look at the capacity of the network, not the guy on the other end of the line.
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Jeannetta
9 months ago
B) Application Layer protocol availability analysis results
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Floyd
10 months ago
A) Capacity analysis results
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Julene
11 months ago
Wow, this question really tests our understanding of WLAN performance! Capacity analysis results are definitely the way to go, gotta make sure those users have enough bandwidth to stream their cat videos.
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Ahmed
9 months ago
D) Layer 4 protocol availability analysis results
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Stanton
10 months ago
C) Application Layer protocol availability analysis results
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Aracelis
10 months ago
B) Capacity analysis results
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Myra
10 months ago
A) WAN interface analysis results
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Ernestine
11 months ago
I believe application layer protocol availability analysis results should also be included.
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Paz
11 months ago
I agree with Penney, capacity analysis is crucial for performance.
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Penney
11 months ago
I think capacity analysis results should be included.
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