[UPDATED 2023] CWAP-404 dumps Free Test Engine Verified By Certified Experts
Realistic CWAP-404 Accurate & Verified Answers As Experienced in the Actual Test!
CWNP CWAP-404 Exam Certification Details:
| Exam Registration | PEARSON VUE |
| Passing Score | 70% |
| Exam Price | $275 USD |
| Sample Questions | CWNP CWAP-404 Sample Questions |
| Number of Questions | 60 |
CWNP CWAP-404 Exam Topics:
| Section | Objectives |
|---|---|
Protocol Analysis – 15% |
|
| Capture 802.11 frames using the appropriate methods | – Select capture devices
– Install monitor mode drivers |
| Understand and apply the common capture configuration parameters available in protocol analysis tools | – Save to disk – Packet slicing – Event triggers – Buffer options – Channels and channel widths – Capture filters – Channel scanning and dwell time |
| Analyze 802.11 frame captures to discover problems and find solutions | – Use appropriate display filters to view relevant frames and packets – Use colorization to highlight important frames and packets – Configure and display columns for analysis purposes – View frame and packet decodes while understanding the information shown and applying it to the analysis process – Use multiple adapters and channel aggregation to view captures from multiple channels – Implement protocol analyzer decryption procedures – View and use a capture’s statistical information for analysis – Use expert mode for analysis – View and understand peer maps as they relate to communications analysis |
| Utilize additional tools that capture 802.11 frames for analysis and troubleshooting | – WLAN scanners and discovery tools – Protocol capture visualization and analysis tools – Centralized monitoring, alerting, and forensic tools |
| Ensure appropriate troubleshooting methods are used with all analysis types | – Define the problem – Determine the scale of the problem – Identify probable causes – Capture and analyze the data – Observe the problem – Choose appropriate remediation steps – Document the problem and resolution |
Spectrum Analysis – 10% |
|
| Capture RF spectrum data and understand the common views available in spectrum analyzers | – Install, configure, and use spectrum analysis software and hardware – Capture RF spectrum data using handheld, laptop-based, and infrastructure spectrum capture solutions – Understand and use spectrum analyzer views
|
| Analyze spectrum captures to identify relevant RF information and issues | – RF noise floor in an environment – Signal-to-Noise Ratio (SNR) for a given signal – Sources of RF interference and their locations – RF channel utilization – Non-Wi-Fi transmitters and their impact on WLAN communications – Overlapping and non-overlapping adjacent channel interference – Poor performing or faulty radios |
| Analyze spectrum captures to identify various device signatures | – Identify various 802.11 PHYs
– Identify non-802.11 devices based on RF behaviors and signatures
|
| Use centralized spectrum analysis solutions | – AP-based spectrum analysis – Sensor-based spectrum analysis |
PHY Layers and Technologies – 10% |
|
| Understand and describe the functions of the PHY layer and the PHY protocol data units (PPDUs) | – DSSS (Direct Sequence Spread Spectrum) – HR/DSSS (High Rate/Direct Sequence Spread Spectrum) – OFDM (Orthogonal Frequency Division Multiplexing) – ERP (Extended Rate PHY) – HT (High Throughput) – VHT (Very High Throughput) – HE (High Efficiency)
|
| Apply the understanding of PHY technologies, including PHY headers, preambles, training fields, frame aggregation, and data rates, to captured data | |
| Identify and use PHY information provided within pseudo-headers in protocol analyzers | – Pseudo-Header formats
– Key pseudo-header content
|
| Recognize the limits of protocol analyzers to capture PHY information including NULL data packets and PHY headers | |
| Use appropriate capture devices based on proper understanding of PHY types | – Supported PHYs – Supported spatial streams |
MAC Sublayer and Functions – 25% |
|
| Understand frame encapsulation and frame aggregation | – Frame aggregation (A-MSDU and A-MPDU) |
| Identify and use MAC information in captured data for analysis | – Management, Control, and Data frames – MAC frame formats and contents
– 802.11 Management frame formats
– Data and QoS Data frame formats
|
| Validate BSS configuration through protocol analysis | – Country code – Minimum basic rate – Supported rates and coding schemes – Beacon interval – WMM settings – RSN settings – HT/VHT/HE operations – Channel width – Primary channel – Hidden or non-broadcast SSIDs |
| Identify and analyze CRC error frames and retransmitted frames | |
WLAN Medium Access – 10% |
|
| Understand 802.11 contention algorithms in-depth and know how they impact WLANs | – Distributed Coordination Function (DCF)
– Enhanced Distributed Channel Access (EDCA)
– Wi-Fi Multimedia (WMM)
|
| Analyze QoS configuration and operations | – Verify QoS parameters in capture files – Ensure QoS is implemented end-to-end |
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