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CWNP CWAP-404 Exam Certification Details:

Exam Name	Wireless Analysis Professional
Passing Score	70%
Exam Price	$275 USD
Exam Registration	PEARSON VUE
Sample Questions	CWNP CWAP-404 Sample Questions
Number of Questions	60

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Dumps CWNP CWAP-404 Download & CWAP-404 New Dumps Questions

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CWNP Certified Wireless Analysis Professional Sample Questions (Q89-Q94):

NEW QUESTION # 89
To effect Preauthentication, a STA's supplicant sends an IEEE 802.1X/EAPoL Start message.
How is the EAPoL Start message addressed?

A. DA = MAC of the default gateway; RA = Ethernet MAC of the targeted AP
B. DA = MAC of default gateway; RA = BSSID of the AP to which the STA is associated
C. DA = BSSID of the targeted AP; RA = Ethernet MAC of the targeted AP
D. DA = BSSID of targeted AP; RA = BSSID of the AP to which the STA is associated

Answer: D

NEW QUESTION # 90
Finish the statement:
It is possible to distinguish between_______22 MHz transmissions and________20 MHz transmissions when looking at an FFT plot.

A. HR/DSSS and ERP
B. HT and VHT
C. ERP and VHT
D. OFDM and HT

Answer: D

Explanation:
Explanation
It is possible to distinguish between OFDM 20 MHz transmissions and HT 20 MHz transmissions when looking at an FFT plot. OFDM and HT are two different modulation schemes used by 802.11 WLANs. OFDM is used by legacy 802.11a/g devices, while HT is used by newer 802.11n/ac devices. OFDM and HT have different spectral characteristics that can be observed on an FFT plot. OFDM transmissions have a flat spectrum with sharp edges, while HT transmissions have a tapered spectrum with rounded edges. This is because HT uses guard intervals and cyclic prefixes to reduce inter-symbol interference and improve performance. The other options are not correct, as they do not describe different modulation schemes or channel widths that can be distinguished on an FFT plot. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 3: Spectrum Analysis, page 70-71

NEW QUESTION # 91
Which one of the following is required for Wi-Fi integration in laptop-based Spectrum Analyzer software in addition to the spectrum analysis adapter?

A. An 802.11 wireless adaptor
B. A directional antenna
C. A firmware upgrade for the spectrum analysis adapter
D. SNMP read credentials to the WLAN controller or APs

Answer: A

Explanation:
An 802.11 wireless adaptor is required for Wi-Fi integration in laptop-based spectrum analyzer software in addition to the spectrum analysis adapter. The spectrum analysis adapter is a hardware device that captures the RF signals in the wireless environment and sends them to the spectrum analyzer software for analysis and display. The 802.11 wireless adapter is a hardware device that connects the laptop to the wireless network and allows the spectrum analyzer software to correlate the RF data with the Wi-Fi data, such as SSID, channel, and BSSID. This enables the spectrum analyzer software to provide more context and insight into the spectrum activity and its impact on the Wi-Fi network. A firmware upgrade for the spectrum analysis adapter is not required for Wi-Fi integration, but it may be needed to fix bugs or add features to the device. A directional antenna is an antenna that focuses the RF energy in a specific direction and has a high gain and a narrow beamwidth. A directional antenna can be used with a spectrum analysis adapter to pinpoint the location or source of interference or noise in the wireless environment, but it is not required for Wi-Fi integration. SNMP read credentials to the WLAN controller or APs are not required for Wi-Fi integration, but they may be useful for obtaining additional information about the wireless network configuration and performance from the network devices.

NEW QUESTION # 92
Given a protocol analyzer can decrypt WPA2-PSK data packets providing the PSK and SSID are configured in the analyzer software. When performing packet capture (in a non-FT environment) which frames are required in order for PSK frame decryption to be possible?

A. Authentication
B. Reassociation
C. 4-Way Handshake
D. Probe Response

Answer: C

Explanation:
Explanation
The 4-way handshake is the process that establishes the pairwise transient key (PTK) between the client and the AP in WPA2-PSK. The PTK is derived from the PSK, the SSID, and some random numbers exchanged in the handshake frames. The PTK is used to encrypt and decrypt the data frames between the client and the AP. Therefore, in order to decrypt WPA2-PSK data packets, a protocol analyzer needs to capture the 4-way handshake frames and have the PSK and SSID configured in the analyzer software12 References:
CWAP-404 Study Guide, Chapter 3: 802.11 MAC Layer Frame Formats and Technologies, page 87 CWAP-404 Objectives, Section 3.5: Analyze security exchanges

NEW QUESTION # 93
A PHY Header is added to the PSDU at which layer?

A. LLC
B. PHY
C. MAC
D. Network

Answer: B

Explanation:
Explanation
A PHY header is added to the PSDU at the PHY layer. A PHY header is a part of the PPDU that contains information such as modulation, coding, and data rate. The PHY header is added by the PHY layer when it converts a PSDU to a PPDU for transmission, or removed by the PHY layer when it converts a PPDU to a PSDU for reception. The other layers do not add or remove a PHY header. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 4: 802.11 Physical Layer, page 97-98

NEW QUESTION # 94
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Practice Test CWNP CWAP-404 Fee, Dumps CWAP-404 Download

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CWNP Certified Wireless Analysis Professional Sample Questions (Q89-Q94):