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CWNP Exam CWNA-109 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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Jina
1 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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Bobbye
1 days ago
B) Capacity analysis results
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Lizbeth
7 days ago
A) WAN interface analysis results
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Vallie
1 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
1 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
2 days ago
D) Layer 4 protocol availability analysis results
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Ardella
9 days ago
C) Application Layer protocol availability analysis results
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Vernice
21 days ago
B) Capacity analysis results
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Louvenia
1 months ago
A) WAN interface analysis results
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Thomasena
2 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
16 days ago
B) Application Layer protocol availability analysis results
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Floyd
26 days ago
A) Capacity analysis results
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Julene
2 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
20 days ago
D) Layer 4 protocol availability analysis results
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Stanton
22 days ago
C) Application Layer protocol availability analysis results
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Aracelis
1 months ago
B) Capacity analysis results
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Myra
1 months ago
A) WAN interface analysis results
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Ernestine
2 months ago
I believe application layer protocol availability analysis results should also be included.
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Paz
2 months ago
I agree with Penney, capacity analysis is crucial for performance.
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Penney
2 months ago
I think capacity analysis results should be included.
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