CWAP-405トレーニング、CWAP-405日本語受験攻略

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CWNP CWAP-405 Exam Syllabus Topics:

Section	Objectives
RF and PHY Layer Analysis	- 802.11 PHY Standards Overview - RF Propagation and Signal Behavior - Channelization and Spectrum Usage
Wireless Troubleshooting and Performance Analysis	- Throughput and Latency Analysis - Common WLAN Failure Scenarios - Identifying WLAN Performance Issues
WLAN Protocol Analysis	- MAC Layer Operations and Behaviors - 802.11 Frame Structure and Fields - Frame Types and Exchanges (Management, Control, Data)
Spectrum Analysis and Tools	- Interference Identification (Wi-Fi and Non-Wi-Fi) - Spectrum Analyzer Usage - Wireshark and Packet Capture Analysis

>> CWAP-405トレーニング <<

最近作成したCWNP CWAP-405認定試験の優秀な過去問

CWAP-405試験シミュレーションは、競争力を向上させる優れたツールです。学習資料を使用した後、CWNP認定をより早く取得できます。この認定により、より多くの機会が与えられます。 CWAP-405準備の質問の助けを借りて、あなたの周りの同僚と比較して、より効率的な仕事のパフォーマンスを得ることができます。 CWAP-405学習教材には、次の機能があるため、非常に多くのメリットがあります。コーヒーを1杯使ってCWAP-405トレーニングエンジンについて学習していただければ幸いです。おそらくこれがあなたの変化の始まりです。

CWNP Certified Wireless Analysis Professional 認定 CWAP-405 試験問題 (Q112-Q117):

質問 # 112
IEEE 802.11-2007 specifies two ERP protection mechanisms: RTS/CTS and CTS-to-Self. Which statement is true regarding these two protection mechanisms? (Choose 2)

A. A CTS-to-Self frame sent by a client station may reach fewer nodes than the RTS/CTS frame exchange.
B. RTS and CTS frames use Short Interframe Spaces (SIFS), and CTS-to-Self frames use PCF Interframe Spaces (PIFS).
C. Use of RTS/CTS requires more overhead than CTS-to-Self due to a higher number of frames transmitted onto the wireless medium.
D. By definition, all associated client stations in a BSS can hear RTS, CTS, and CTS-to-Self frames, so RTS/CTS and CTS-to-Self mechanisms have equal effectiveness.
E. Aside from the Subtype subfield of the Frame Control field, the generic MAC header format of RTS and CTS frames are identical.
F. RTS and CTS frames are relayed through the access point, whereas the CTS-to-Self frames are not.

正解：A、C

質問 # 113
Which one of the following provides the most accurate indication that packets have not been successfully received by the intended recipient?

A. Data packets being sent at low data rates
B. Retries
C. CRC errors
D. Gaps in sequence numbers

正解：D

解説：
Gaps in sequence numbers in captured frames indicate that one or more packets were not successfully received by the intended recipient, providing a direct and reliable indication of lost frames. CRC errors or retries suggest issues but do not always confirm packet loss to the receiver.

質問 # 114
You are repairing a misconfiguration in WMM settings on an AP. The aCWmin and aCWmax values were all changed.
What is the default aCWmax for AC_BK?

A. 0
B. 1
C. 2
D. 3

正解：A

質問 # 115
Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?

A. In the MBR Information Element in an Association Response frame
B. In the Minimum Basic Rate Element in a Beacon frame
C. In the MBR Action frame
D. Supported Rates & Extended Supported Rates elements in a Beacon frame

正解：D

解説：
The configured Minimum Basic Rate (MBR) of a BSS can be identified by looking at the Supported Rates and Extended Supported Rates elements in a Beacon frame. A Beacon frame is a type of management frame that is transmitted by an AP to advertise its presence and capabilities to potential clients. A Beacon frame contains various information elements (IEs) that provide details about the BSS configuration and operation.
The Supported Rates and Extended Supported Rates IEs list the data rates that are supported by the AP for data transmission. The MBR is the lowest data rate among these supported rates that is required for all clients to join and communicate with the BSS. The MBR is usually marked with a flag bit in these IEs to indicate its mandatory status. The other options are not correct, as they do not exist or do not indicate the MBR of a BSS. References: [Wireless Analysis Professional Study Guide CWAP-405], Chapter 5: 802.11 MAC Sublayer, page 123-124

質問 # 116
Where, in an 802.11 Beacon frame, will you see the parameters used for QoS in the BSS?

A. WMM Information Element
B. QoS Control field in the MAC Header
C. QoS field in PHY header
D. EDCA Information field in the MAC Header

正解：A

解説：
The WMM (Wi-Fi Multimedia) Information Element in a Beacon frame advertises the QoS parameters of the BSS, including EDCA settings for different access categories. This allows clients to understand and use the QoS capabilities of the network.

質問 # 117
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