CWNP CWAP-403 Q&A - in .pdf

  • Exam Code: CWAP-403
  • Exam Name: Certified Wireless Analysis Professional
  • Updated: May 26, 2026
  • Q & A: 60 Questions and Answers
  • PDF Price: $59.99
  • Printable CWNP CWAP-403 PDF Format. It is an electronic file format regardless of the operating system platform.
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CWNP CWAP-403 Q&A - Testing Engine

  • Exam Code: CWAP-403
  • Exam Name: Certified Wireless Analysis Professional
  • Updated: May 26, 2026
  • Q & A: 60 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
  • PC Test Engine Price: $59.99
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CWAP-403 exam dumps

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PHY Layers & Technologies (10%) – This subject area requires that the test takers demonstrate their understanding and skills in specific knowledge domains. These include the following:

  • Identify the limits of the protocol analyzers in the process of capturing the PHY details, which include PHY headers and NULL data packets;
  • Apply the understanding and skills of PHY technologies to captured data. These include PHY headers, frame aggregation, preambles, data rates, as well as training fields;
  • Understand and explain the core functions of PHY technologies and PMD and PLCP sublayers;
  • Utilize the relevant capture devices according to the understanding of PHY types. These include supported spatial streams, supported PHYs, and SGI (Short Guard Interval).
  • Establish and utilize the PHY details offered in pseudo-header in the protocol analyzers;

CWNP CWAP-403 Exam Topics:

SectionObjectives

Protocol Analysis - 15%

Capture 802.11 frames using the appropriate methods and locations

- Install monitor mode drivers
- Select appropriate capture device
- Select appropriate capture location
- Capture for an appropriate amount of time based on the problem scenario
- Scanning channels vs. capturing on a single channel
- Capturing in roaming scenarios
- Capture with portable protocol analyzers (laptops)
- Capture with APs, controllers, and other management solutions
- Capture with specialty devices such as handheld analyzers

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 and understand the information shown and apply 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 captures statistical information for analysis
- Use expert mode for analysis
- View and understand peer maps as they relate to communications analysis
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
Utilize additional tools that capture 802.11 frames for the purposes of 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 probably causes
- Capture and analyze the data
- Observe the problem
- Choose appropriate remediation steps
- Document the problem and resolution

Spectrum Analysis - 15%

Capture RF spectrum data and understand the common views available in spectrum analyzers- Install, configure and use spectrum analysis software and hardware
  • Configure Wi-Fi integration
  • Save and export capture data

- Capture RF spectrum data using handheld, laptop-based and infrastructure spectrum capture solutions

- Understand and use spectrum analyzer views

  • Real-time FFT
  • Waterfall, swept spectrogram, density and historic views
  • Utilization and duty cycle
  • Detected devices
  • WLAN integration views
Analyze spectrum captures to identify relevant RF information and issues- Determine the RF noise floor in an environment
- Determine Signal-to-Noise Ration (SNR) for a given signal
- Locate and identify sources of RF interference
- Identify RF channel utilization
- Analyze a non-Wi-Fi transmitter and its 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 frequency hopping devices
- Identify various 802.11 PHYs

  • 802.11b
  • 802.11g
  • 802.11a
  • 802.11n
  • 802.11ac
  • Channel widths
  • Primary channel

- Identify non-802.11 devices based on RF behaviors and signatures

  • Microwave oven
  • Video devices
  • Jammers
  • Cordless phones
Centralized spectrum analysis solutions

- AP-based spectrum analysis
- Sensor-based spectrum analysis

PHY Layers and Technologies - 10%

Understand and describe the functions and the PLCP and PMD sublayers

Apply the understanding of PHY technologies (including PHY headers, preambles, training fields, frame aggregation and data rates) to captured data

- DSSS
- HR/DSSS
- OFDM
- ERP
- HT
- VHT

Identify and use PHY information provided in pseudo-headers within protocol analyzers

- Pseudo-header formats

  • Radiotap
  • Per Packet Information (PPI)

- Signal strength
- Data rate and MCS index
- Length information
- Channel center frequency or received channel
- Channel properties
- Noise

Recognize the limits of protocol analyzers in capturing PHY information including NULL data packets and PHY headers
Use appropriate capture devices based on an understanding of PHY types- Supported PHYs
- Supported spatial streams
- Short Guard Interval (SGI)

MAC Sublayer and Functions - 25%

Understand frame encapsulation and frame aggregation

Identify and use MAC information in captured data for analysis

- Management, control, and data frames
- MAC Frame Format

  • Frame Control Field
  • To DS and From DS
  • Address Fields
  • Frame Check Sequence (FCS)

- 802.11 Management Frame Formats

  • Information Elements
  • Authentication
  • Association and Reassociation
  • Beacon
  • Probe Request and Probe Response

- Data and QoS Data Frame Formats
- 802.11 Control Frame Formats

  • Acknowledgement
  • RTS/CTS
  • Block Acknowledgement and related frames
Validate BSS configuration through protocol analysis- Country code
- Minimum basic rate
- Supported rates
- Beacon intervals
- WMM settings
- RSN settings
- HT and VHT 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)

  • Carrier Sense and Energy Detect
  • Network Allocation Vector (NAV)
  • Contention Window (CW) and random backoff
  • Interframe Spacing

- Enhanced Distributed Channel Access (EDCA)

  • EDCA Function (EDCAF)
  • Access Categories and Queues
  • AIFSN

- Wi-Fi Multimedia (WMM)

  • WMM parameters
  • WMM Power Save
  • WMM Admission Control
Analyze QoS configuration and operations- Verify QoS parameters in capture files

- Ensure QoS is implemented end-to-end

802.11 Frame Exchanges - 25%

Capture, understand, and analyze BSS discovery and joining frame exchanges

- BSS discovery
- 802.11 Authentication and Association
- 802.1X/EAP exchanges
- Pre-shared key authentication
- Four-way handshake
- Group key exchange
- Pre-FT (802.11r) fast secure roaming mechanisms
- Fast BSS Transition (FT) roaming exchanges and fast secure roaming
- Hotspot 2.0 protocols and operations from a client access perspective (ANQP and initial access)
- Neighbor discovery

Analyze roaming behavior and resolve problems related to roaming- Sticky clients
- Excessive roaming
- Channel aggregation for roaming analysis
Analyze data frame exchanges- Data frames and acknowledgement frames
- RTS/CTS data frame exchanges
- QoS data frame exchanges
- Block Acknowledgement exchanges
Analyze HT/VHT-specific transmission methods- MIMO
- Transmit Beamforming (TxBF)
- MU-MIMO
- Frame aggregation (A-MSDU and A-MPDU)
Analyze behavior and resolve problems related to MAC layer operations- Power Save operations
- Protection mechanisms
- Load balancing
- Band Steering

Reference: https://www.cwnp.com/certifications/cwap

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