CWNP CWAP-404 : Certified Wireless Analysis Professional

  • Exam Code: CWAP-404
  • Exam Name: Certified Wireless Analysis Professional
  • Updated: Oct 31, 2026
  • Q & A: 184 Questions and Answers

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About CWNP CWAP-404 Exam

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CWNP CWAP-404 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Spectrum Analysis10%- Interference identification
  • 1. Device signatures and sources
  • 2. Impact on WLAN performance
- Spectrum capture and measurement
  • 1. RF measurement metrics
  • 2. Hardware and software tools
Topic 2: Protocol Analysis15%- Frame analysis techniques
  • 1. Display filters and colorization
  • 2. Frame decoding and interpretation
  • 3. Statistical analysis and expert views
- Frame capture methods and tools
  • 1. Monitor mode configuration
  • 2. Selection of capture devices
  • 3. Capture parameters and filters
Topic 3: 802.11 MAC Layer Analysis25%- MAC operations and efficiency
  • 1. Retransmissions and errors
  • 2. QoS and traffic prioritization
  • 3. Medium access and contention
- MAC frame types and exchanges
  • 1. Roaming and handover processes
  • 2. BSS discovery and association
  • 3. Management, control and data frames
Topic 4: 802.11 Physical (PHY) Layer Analysis20%- PHY layer troubleshooting
  • 1. Interference and signal issues
  • 2. PHY-related performance problems
- PHY technologies and frame formats
  • 1. Modulation and coding schemes
  • 2. PPDU formats and headers
  • 3. Channelization and bandwidths
Topic 5: Troubleshooting Methodology30%- Solution and documentation
  • 1. Documentation and reporting
  • 2. Remediation strategies
- Problem definition and analysis
  • 1. Scoping and isolation
  • 2. Data collection and verification

CWAP-404 Exam FAQs — Read Before You Register

Valid current CWNA certification required Eligibility details like these are worth double-checking before you register — vendors revise them periodically, and the official exam page (official CWAP-404 exam page) always has the current version.

The official CWNP Certified Wireless Analysis Professional outline has 5 domains — the biggest include 802.11 MAC Layer Analysis (25%), Protocol Analysis (15%), Spectrum Analysis (10%). Those weightings are your study compass: the largest domains hide the most points. See the full outline above for every subtopic.

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The pass mark is 70%, and the official fee is $275 USD. That fee resets to full price on every retake, so the real money-saver is preparation — run the 184 practice questions from Prep4away until passing becomes routine, then book your seat.

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Classroom hours alone won't tell you if you're ready — the CWAP-404 practice questions from Prep4away will. Use them after the coursework to convert knowledge into exam performance.

The CWNP Certified Wireless Analysis Professional is CWNP's official exam for the Certified Wireless Analysis Professional certification, a Professional-level credential. Candidates take it to validate real skill — and employers read it exactly that way. It also connects to related credentials such as CWNA, CWNE.

The exam gives you 90 minutes for 60 questions. The candidates who struggle aren't usually short on knowledge — they're short on pacing. Fix that before test day: set a time budget per question, practice moving past hard items without stalling, and rehearse full timed sessions in the Prep4away engine until the clock stops being a factor.

CWNP Certified Wireless Analysis Professional Sample Questions:

Question #1

During a VHT Transmit Beamforming sounding exchange, the beamformee transmits a Compressed Beamforming frame to the beamformer. What is communicated within this Compressed Beamforming frame?

  • A. Feedback Matrix
  • B. Beamforming Matrix
  • C. Steering Matrix
  • D. Beamformee Matrix
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #2

Which parameters accurately describe the Beacon Interval field in the Beacon frame? (Choose 2)

  • A. Value can range from 0 to 2007
  • B. 4-octet length
  • C. Indicates the exact time interval between Beacon transmissions
  • D. Measured in time units of 1024 ms
  • E. Indicates the desired time interval between TBTTs
Reveal Solution  Discussion  0

Correct Answer: D,E  🗳️

Question #3

You have installed a new 802.11ac WLAN configured with 80 MHz channels. Users in one area are complaining about poor performance. This area is currently served by a single AP. You take a spectrum analysis capture in the poor performing area. While examining the waterfall plot you notice the airtime utilization is higher on the first 20 MHz of the 80 MHz channel when compared to the rest of the channel. What do you conclude?

  • A. Non Wi-Fi interference is preventing the APs 80 MHz operation
  • B. The AP is misconfigured and needs to be reconfigured to 80MHz operation
  • C. The first 20 MHz is the AP's primary channel and higher airtime utilization on the primary channel is normal when an AP Is configured for 80 MHz operation
  • D. RRM is enabled and has dynamically picked a 20 MHz channel
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #4

What is an AIFS?

  • A. A form of aggregation performed at the PLCP sub-layer
  • B. The shortest period of time a STA can sleep
  • C. A variable Interframe Space introduced by 802.11e to help prioritize medium access for different Access Categories
  • D. A medium access method introduced by 802.11n, but never implemented
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #5

ABC Company is having VoWiFi latency problems on their 802.11g WLAN. A wireless administrator has noticed in the phone's client utilities software that the MAC CRC Error count is higher on stations with problems than on those client stations without problems.
A high MAC CRC Error count is attributable to which of the following? (Choose 3)

  • A. Two access points with overlapping coverage on a single channel
  • B. Co-located DCF and EDCA access points that are using non-overlapping 2.4 GHz channels
  • C. Dynamic Rate Switching algorithms that decrease data rates for latency-sensitive applications
  • D. High collision rates due to dense population of voice stations and no admission control
  • E. 2.4 GHz ISM band interference from sources such as wireless video cameras and analog phones
  • F. High multipath conditions due to an RF environment with highly reflective materials
Reveal Solution  Discussion  0

Correct Answer: D,E,F  🗳️

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