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CWNP CWAP-405 Exam Syllabus Topics:

SectionObjectives
Wireless Troubleshooting and Performance Analysis- Throughput and Latency Analysis
- Identifying WLAN Performance Issues
- Common WLAN Failure Scenarios
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- Spectrum Analyzer Usage
- Wireshark and Packet Capture Analysis
- Interference Identification (Wi-Fi and Non-Wi-Fi)
RF and PHY Layer Analysis- RF Propagation and Signal Behavior
- Channelization and Spectrum Usage
- 802.11 PHY Standards Overview

>> CWAP-405技術試験 <<

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クライアントはCWAP-405試験問題を学習し、テストの準備をするのに20〜30時間しかかかりません。多くの人は、CWAP-405テストの準備が必要だと不満を言うかもしれませんが、一方でJpshiken、仕事、学習、家族などの最も重要なことにほとんどの時間を費やさなければなりません。ただし、CWAP-405学習ガイドを購入すると、テストの準備に時間と労力がほとんどかからないため、最も重要なことをうまくやり、CWAP-405テストに簡単に合格できます。

CWNP Certified Wireless Analysis Professional 認定 CWAP-405 試験問題 (Q76-Q81):

質問 # 76
You are analyzing a packet decode of a Probe Request and notice the SSID element has a length of zero.
What do you conclude about the transmitting STA?

正解：C

解説：
The STA is discovering a list of available BSSs by sending a Probe Request with an empty SSID element.
This is also known as a broadcast Probe Request, as it does not specify any particular SSID to probe for. Any AP that receives this Probe Request will respond with a Probe Response containing its own SSID and other information about its BSS. This way, the STA can learn about all the BSSs in its vicinity and choose which one to associate with . References: CWAP-405Certified Wireless Analysis Professional Study and Reference Guide, Chapter 6: MAC Sublayer Frame Exchanges, page 191; CWAP-405Certified Wireless Analysis Professional Study and Reference Guide, Chapter 6: MAC Sublayer Frame Exchanges, page 193.


質問 # 77
The data rate for a data frame is 150 Mbps in 5 GHz.
What rate is used to transmit the PHY header information?

正解：B

解説：
References:


質問 # 78
As a wireless network consultant you have been called in to troubleshoot a high-priority issue for one of your customers. The customer's office is based on two floors within a multi-tenant office block. On one of these floors (floor 5) users cannot connect to the wireless network. During their own testing the customer has discovered that users can connect on floor 6 but not when they move to the floor 5. This issue is affecting all users on floor 5 and having a negative effect on productivity.
To troubleshoot this issue, you perform both Spectrum and Protocol Analysis. The Spectrum Analysis shows the presence of Bluetooth signals which you have identified as coming from wireless mice. In the protocol analyzer you see the top frame on the network is Deauthentication frames. On closer investigation you see that the Deauthentication frames' source addresses match the BSSIDs of your customers APs and the destination address is FF:FF:FF:FF:FF:FF:FF.
What do you conclude from this troubleshooting exercise?

正解：B

解説：
The users on floor 5 are being subjected to a denial of service attack, as this is happening across the entire floor it is likely to be a misconfigured WIPS solution belonging to the tenants on the floor below. This is because the Deauthentication frames have a source address that matches the BSSIDs of the customer's APs and a destination address that is a broadcast address (FF:FF:FF:FF:FF:FF). This indicates that someone is sending spoofed Deauthentication frames to all STAs associated with the customer's APs, causing them to disconnect from the wireless network. This is a common type of DoS attack on wireless networks, and it could be caused by a rogue device or a WIPS solution that is configured to protect the wireless network of another tenant on the floor below12. References: CWAP-405Certified Wireless Analysis Professional Study and Reference Guide, Chapter 13: Troubleshooting Common Wi-Fi Issues, page 4961; CWAP-405Certified Wireless Analysis Professional Study and Reference Guide, Chapter 14: Troubleshooting Tools, page 5272.


質問 # 79
Which piece of information is not transmitted in any of the 4-Way Handshake frames?

正解：A

解説：
The 4-Way Handshake in WPA/WPA2 does not transmit the Pairwise Master Key (PMK) over the air. Instead, it uses the PMK to derive the Pairwise Transient Key (PTK). The handshake frames carry the ANonce, MIC, and GTK (in the Group Key Handshake) but never the PMK itself.


質問 # 80
When a 5 GHz HT station in a 40 MHz BSS desires to protect a 40 MHz transmission from an OFDM station using an RTS/CTS or CTS-to-Self exchange, what frame format is used for the RTS and/or CTS frames?

正解：C


質問 # 81
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CWAP-405ガイドの質問は、多くの利点とさまざまな機能を後押しします。購入前にCWAP-405試験問題を無料でダウンロードして試用することができます。購入手続きは簡単で迅速です。 CWAP-405試験問題を数分で受け取ることができます。選択できる3つのバージョンがあります。 CWAP-405試験の急流を学び、試験の準備をする時間はほとんど必要ありません。合格率とヒット率は非常に高いです。 CWAP-405試験に合格すると、大企業に入社して賃金を2倍にするなど、多くのメリットが得られます。

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