素晴らしいCWNA-109模擬問題集 &合格スムーズCWNA-109テスト難易度 |便利なCWNA-109テストトレーニングCWNP Wireless Network Administrator (CWNA)

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CWNP CWNA-109 Exam Overview:

Certification Vendor:CWNP
Exam Name:CWNP Certified Wireless Network Administrator (CWNA)
Exam Number:CWNA-109
Exam Duration:90 minutes
Exam Price:USD 250
Related Certifications:Certified Wireless Network Administrator (CWNA)
Certificate Validity Period:3 years
Real Exam Qty:60
Passing Score:70%
Exam Format:Multiple Choice, Drag-and-Drop, Multiple Select
Available Languages:English
Sample Questions:CWNP CWNA-109 Sample Questions
Exam Way:Online (Proctored) or Authorized Testing Center
Pre Condition:No formal prerequisites, but foundational networking knowledge recommended
Official Syllabus URL:https://www.cwnp.com/certifications/cwna/

>> CWNA-109模擬問題集 <<

検証するCWNA-109模擬問題集試験-試験の準備方法-真実的なCWNA-109テスト難易度

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CWNP CWNA-109 認定試験の出題範囲：

トピック出題範囲
トピック 1
  • WLAN プロトコルとデバイス: 802.11 MAC および PHY、3 つの主要な 802.11 フレーム タイプの目的、MAC フレーム形式、および 802.11 チャネル アクセス方法に関連する用語に重点を置いています。
トピック 2
  • WLAN 規制と標準: このトピックでは、WLAN とネットワーク業界組織の役割について説明します。また、さまざまな物理層 (PHY) ソリューション、拡散スペクトル技術、および 802.11 WLAN 機能の概念についても説明します。
トピック 3
  • RF 検証と WLAN 修復: このトピックでは、RF 干渉、WLAN パフォーマンス、検証ツールの基本機能、一般的なワイヤレスの問題について説明します。
トピック 4
  • 無線周波数 (RF) テクノロジー: このトピックでは、RF の基本的な機能と動作について説明します。また、RF の数学と測定の基本概念の適用についても説明します。最後に、RF 信号の特性と RF アンテナの機能について説明します。

CWNP Wireless Network Administrator (CWNA) 認定 CWNA-109 試験問題 (Q113-Q118):

質問 # 113
You have implemented an 802.11ax WLAN for a customer. All APs are four stream HE APs. The customer states that it is essential that most of the clients can use the OFDMA modulation scheme. What do you tell the customer?

正解：A

解説：
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.
References: 1:CWNA-109Official Study Guide, page 144 2: OFDMA


質問 # 114
What feature was introduced in the 802.11h amendment in order to uphold regulatory requirements for 5 GHz operations.

正解：D


質問 # 115
Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?

正解：C

解説：
The solution that you recommend is an Overlay WLAN monitoring solution. An Overlay WLAN monitoring solution is a system that uses dedicated sensors or probes to monitor the WLAN performance over time. The sensors are deployed throughout the WLAN coverage area and collect data on various metrics such as signal strength, noise level, channel utilization, interference, throughput, latency, packet loss, and QoS. The sensors send the data to a centralized server or appliance that analyzes the data and provides a single pane of glass for administration and monitoring of the solution. An Overlay WLAN monitoring solution can help to detect and troubleshoot WLAN issues, optimize WLAN performance, and generate reports and alerts. References: [CWNP Certified Wireless Network Administrator Official Study Guide:
ExamCWNA-109], page 538; [CWNA: Certified Wireless Network Administrator Official Study Guide:
ExamCWNA-109], page 508.


質問 # 116
When an ACK frame is not received by the transmitting STA, what is assumed?

正解：B

解説：
An ACK (Acknowledgement) frame is a short control frame that is sent by the receiver of a data or management frame to confirm that the frame was received correctly. The ACK frame is sent after a SIFS (Short Interframe Space) interval, which is the shortest time gap between frames in
802.11. If the transmitter does not receive an ACK frame within a specified time, it assumes that the frame was not delivered and must be retransmitted. This is part of the 802.11 reliability mechanism that ensures reliable data delivery over an unreliable wireless medium.


質問 # 117
You have implemented an 802.11ax WLAN for a customer. All APs are four stream HE APs. The customer states that it is essential that most of the clients can use the OFDMA modulation scheme.
What do you tell the customer?

正解：A

解説：
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 devices.


質問 # 118
......

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