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CWAP-404 Fragen Und Antworten, CWAP-404 Pruefungssimulationen

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CWNP CWAP-404 Prüfungsplan:

Thema
Einzelheiten

Thema 1

WLAN Medium Access: The exam evaluates the understanding of a wireless network professional about 802.11 contention algorithms and their impact on WLAN performance. The CWAP-404 exam requires candidates to analyze QoS configurations and operations.

Thema 2

Spectrum Analysis: The topic assesses the ability of a wireless network professional to capture and interpret RF spectrum data. The exam targets the skills in identifying device signatures and RF issues through spectrum analyzers.

Thema 3

Frame Exchanges: The topic evaluates the skills of a wireless network professional in capturing, understanding, and analyzing various frame exchanges, including BSS discovery, joining, roaming, and data frames. The CWAP-404 exam targets the ability of candidates to troubleshoot and resolve issues related to MAC layer operations, ensuring they can maintain robust and efficient WLAN communications.

Thema 4

Protocol Analysis: The topic in the CWNP CWAP-404 exam evaluates the skill of a wireless network professional to capture and analyze 802.11 frames effectively. Candidates must demonstrate proficiency in configuring protocol analysis tools, interpreting frame captures to diagnose issues, and applying appropriate troubleshooting methods.

>> CWAP-404 Fragen Und Antworten <<

CWAP-404 Studienmaterialien: Certified Wireless Analysis Professional - CWAP-404 Torrent Prüfung & CWAP-404 wirkliche Prüfung

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CWNP Certified Wireless Analysis Professional CWAP-404 Prüfungsfragen mit Lösungen (Q121-Q126):

121. Frage
You are considering disabling the data rates of 1, 2, 5.5 and 11 in the 2.4 GHz band.
What advantage might this provide to the networks operating in this band?

A. The range of the PHY preamble and header will be reduced
B. The RF signals will not travel as far
C. The antennas will be able to zero in on the higher data rates better
D. Frames that must be transmitted at the lowest common data rate can be transmitted at higher data rates after the change

Antwort: D

122. Frage
Which one of the following portions of information is communicated by bits in the PHY Header?

A. SNR
B. Signal strength
C. Data rate
D. Noise

Antwort: C

Begründung:
Explanation
One of the information that is communicated by bits in the PHY header is data rate. Data rate is the speed at which data is transmitted or received over the wireless medium. Data rate depends on factors such as modulation, coding, channel width, spatial streams, and guard interval. Data rate is indicated by bits in different fields of the PHY header, depending on the type of PPDU (e.g., OFDM, HT, VHT, HE). The receiver uses these bits to determine how to decode and demodulate the rest of the PPDU. The other options are not correct, as they are not communicated by bits in the PHY header. SNR (Signal-to-Noise Ratio), noise, and signal strengthare measured by the receiver based on its own capabilities and environment. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 4: 802.11 Physical Layer, page 101-105

123. Frage
Which one of the following is not an 802.11 Management frame?

A. Authentication
B. Beacon
C. Action
D. PS-Poll

Antwort: D

Begründung:
Explanation
A PS-Poll (Power Save Poll) frame is not an 802.11 management frame. A PS-Poll frame is a type of control frame that is used by a STA in power save mode to request data frames from an AP. A STA in power save mode can conserve battery power by periodically sleeping and waking up. When a STA sleeps, it cannot receive any data frames from the AP, so it informs the AP of its power save status by setting a bit in its MAC header. The AP then buffers any data frames destined for the sleeping STA until it wakes up. When a STA wakes up, it sends a PS-Poll frame to the AP, indicating its association ID and requesting any buffered data frames. The AP thenresponds with one or more data frames, followed by an ACK or BA frame from the STA.
The other options are not correct, as they are types of 802.11 management frames. An Action frame is used to perform various management actions, such as spectrum management, QoS management, radio measurement, etc. A Beacon frame is used to advertise the presence and capabilities of an AP or BSS. An Authentication frame is used to establish or terminate an authentication relationship between a STA and an AP. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 6: 802.11 Frame Exchanges, page 169-170

124. Frage
You have implemented an AP at a remote office. It is a single-band AP supporting 802.11ac.
Several users complain that their laptops cannot connect to the WLAN. These laptops are from multiple vendors and range in age from 2 to 4 years. The SSID and security profile settings are correct. All default settings were used on the AP with the exception of the SSID and security settings. What is the most likely issue preventing these STAs from connecting to the AP?

A. They are 5 GHz-only devices
B. They are 2.4 GHz-only devices
C. They do not support the basic data rates
D. They do not support VHI and only support OFDM

Antwort: A

125. Frage
You have been asked to recommend a solution for protocol capture of 802.11 frames consisting of 3x3:3 802.11ac communications. The requirement specifies that you gain a general view of a coverage area and does not require that you capture from specific user locations. The solution must be the least expensive practical solution possible that does not disrupt user access to the WLAN and it must be based on enterprise WLAN hardware.
What solution would you recommend so that any coverage area could be monitored on demand?

A. Install Wireshark on the Aps natively to allow dynamic capture while serving clients
B. Install sufficient Aps so that an AP can be taken offline to perform protocol analysis as needed
C. Install laptop-based protocol analyzer near each AP
D. Install the minimum number of Aps required for coverage and use these Aps for protocol analysis as needed

Antwort: B

126. Frage
......

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