CERTIFICATION CWAP-404 DUMPS - DETAIL CWAP-404 EXPLANATION

Certification CWAP-404 Dumps - Detail CWAP-404 Explanation

Certification CWAP-404 Dumps - Detail CWAP-404 Explanation

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CWNP CWAP-404 Exam Syllabus Topics:

TopicDetails
Topic 1
  • MAC Sublayer and Functions: The topic measures the ability of a wireless network professional to understand and analyze the MAC layer operations. Candidates are expected to validate BSS configurations and identify issues like CRC errors and retransmissions, ensuring they can maintain the integrity and performance of the WLAN.
Topic 2
  • 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.
Topic 3
  • 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.
Topic 4
  • PHY Layers and Technologies: In the topic, the CWAP-404 Exam Tests the understanding of a wireless network professional about the Physical (PHY) layer functions and technologies. Wireless analysts need to describe and apply knowledge of PHY headers, PPDUs, and other PHY-related data. This topic ensures that analysts are proficient in interpreting PHY information within protocol analyzers and can select appropriate capture devices for different PHY types.
Topic 5
  • 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.

CWNP Certified Wireless Analysis Professional Sample Questions (Q22-Q27):

NEW QUESTION # 22
What is the difference between a Data frame and a QoS-Data frame?

  • A. QoS Data frames include a QoS information element
  • B. QoS Data frames include a QoS control field
  • C. QoS Data frames include an 802.1Q VLAN tag
  • D. QoS Data frames include a DSCP control field

Answer: B

Explanation:
The difference between a Data frame and a QoS-Data frame is that QoS Data frames include a QoS control field. A Data frame is a type of data frame that is used to carry user data or upper layer protocol data between STAs and APs. A QoS Data frame is a type of data frame that is used to carry user data or upper layer protocol data between STAs and APs that support QoS (Quality of Service) features. QoS features allow different types of traffic to be prioritized and handled differently according to their QoS requirements, such as delay, jitter, throughput, etc.
QoS Data frames include a QoS control field in their MAC header, which contains information such as traffic identifier (TID), queue size (TXOP), acknowledgment policy (ACK), etc., that are used for QoS purposes. The other options are not correct, as they do not describe the difference between Data and QoS Data frames.
QoS Data frames do not include a DSCP (Differentiated Services Code Point) control field, which is part of the IP header in the network layer, not the MAC header in the data link layer. QoS Data frames do not include a QoS information element (IE), which is part of some management frames that indicate QoS capabilities or parameters, not data frames. QoS Data frames do not include an
802.1Q VLAN tag, which is part of some Ethernet frames that indicate VLAN membership or priority, not wireless frames.


NEW QUESTION # 23
What is the function of 802.11 Management frames?

  • A. Manage the BSS
  • B. Manage the flow of data
  • C. Prioritize network administration traffic
  • D. Communicate configuration changes between WLAN controller and APs

Answer: A

Explanation:
The function of 802.11 management frames is to manage the BSS. A BSS (Basic Service Set) is a group of STAs (stations) that share a common SSID (Service Set Identifier) and communicate with each other through an AP (access point) or directly in an ad hoc mode. Management frames are one of the three types of 802.11 frames, along with control and data frames. Management frames are used to establish, maintain, and terminate associations between STAs and APs, as well as to advertise and discover BSSs, exchange security information, report errors, and perform other management functions. The other options are not correct, as they are not functions of
802.11 management frames. Prioritizing network administration traffic, communicating configuration changes between WLAN controller and APs, and managing the flow of data are functions of other types of frames or protocols.


NEW QUESTION # 24
Which one of the following is required for Wi-Fi integration in laptop-based Spectrum Analyzer software?

  • A. SNMP read credentials to the WLAN controller or APs
  • B. Any 802.11 wireless adaptor
  • C. A dual radio spectrum analyzer card
  • D. A supported WLAN adaptor with a customized driver

Answer: C


NEW QUESTION # 25
You need to determine RF activity over time in a spectrum analyzer. It is to be able to see the activity and the amplitude of that activity.
What kind of view should be used?

  • A. Channel listing
  • B. Real-time FFT
  • C. Swept spectrogram
  • D. Device listing

Answer: C


NEW QUESTION # 26
In what scenario is Open Authentication without encryption not allowed based on the 802.11 standard?

  • A. When operating a BSS in the 6 GHz band
  • B. When operating a BSS in a government facility
  • C. When operating a BS5 in the CBRS band
  • D. When operating a BSS in FIPS mode

Answer: A

Explanation:
Explanation
Open Authentication without encryption is not allowed when operating a BSS in the 6 GHz band, according to the 802.11 standard. Open Authentication is a type of authentication method that does not require any credentials or security information from a STA (station) to join a BSS (Basic Service Set). Open Authentication can be used with or without encryption, depending on the configuration of the BSS and the STA. Encryption is a technique that scrambles the data frames using an algorithm and a key to prevent unauthorized access or eavesdropping. However, in the 6 GHz band, which is a newly available frequency band for WLANs, OpenAuthentication without encryption is prohibited by the 802.11 standard, as it poses security and interference risks for other users and services in the band. The 6 GHz band requires all WLANs to use WPA3-Personal or WPA3-Enterprise encryption methods, which are more secure and robust than previous encryption methods such as WPA2 or WEP. The other options are not correct, as they do not describe scenarios where Open Authentication without encryption is not allowed by the 802.11 standard. When operating a BSS in the CBRS band, which is another newly available frequency band for WLANs, Open Authentication without encryption is allowed, but not recommended, as it also poses security and interference risks for other users and services in the band. When operating a BSS in FIPS mode, which is a mode that complies with the Federal Information Processing Standards for cryptographic security, Open Authentication without encryption is allowed, but not compliant, as it does not meet the FIPS requirements for encryption algorithms and keys. When operating a BSS in a government facility, Open Authentication without encryption is allowed, but not advisable, as it may violate the government policies or regulations for wireless security. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 8: Security Analysis, page 220-221


NEW QUESTION # 27
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