CWNP CWAP-402 : Certified Wireless Analysis Professional

  • Exam Code: CWAP-402
  • Exam Name: Certified Wireless Analysis Professional
  • Updated: Jul 21, 2026     Q & A: 60 Questions and Answers

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CWNP CWAP-402 Exam Syllabus Topics:

SectionObjectives
Wireless Performance and Troubleshooting- Performance degradation analysis
  • 1. Latency, throughput, and retries
    • 2. Roaming and client behavior analysis
      RF Spectrum Analysis- Spectrum monitoring
      • 1. Channel utilization analysis
        • 2. Interference detection and classification
          Wireless LAN Analysis Tools- Packet analysis and decoding
          • 1. Wireshark usage for 802.11 frames
            • 2. Capture interpretation techniques
              802.11 MAC Layer Analysis- Medium access mechanisms
              • 1. CSMA/CA operation
                • 2. Retransmissions and acknowledgments
                  - Frame types and structures
                  • 1. Frame exchange sequences
                    • 2. Management, control, and data frames
                      802.11 Physical Layer (PHY) Analysis- RF signal characteristics and modulation
                      • 1. OFDM and DSSS fundamentals
                        • 2. Channel behavior and interference

                          CWNP Certified Wireless Analysis Professional Sample Questions:

                          1. You are explaining capacity planning to another engineer assisting you on a WLAN implementation project. As part of the explanation, you provide the following formula: C = B
                          * log2(1 + S/N).
                          What does this formula define?

                          A) Bandwidth capabilities of a channel
                          B) Maximum signal strength of a channel
                          C) Minimum signal strength for a data rate
                          D) The WEP encryption algorithm


                          2. When using a commercial WLAN protocol analyzer, you notice that it is listing vendor names for some APs and client STAs.
                          What is the source of this information?

                          A) DNS name resolution
                          B) Vendor OUI values
                          C) Banner grabbing
                          D) Broadcast name resolution


                          3. What is the Extended IFS used in 802.11 contention?

                          A) When 802.11ac must coexist with 802.11n
                          B) When the lower data rates are used and you want the fastest medium access times
                          C) When the higher data rates are used and you want the fastest medium access times
                          D) When a frame reception begins but the received frame is incomplete or corrupted based on the FCS


                          4. You must report on frame types seen on the WLAN. You want to list the frame types by both name and binary value.
                          What frame type is represented by the binary value 011010, which includes the Type and
                          Subtype values?

                          A) Beacon
                          B) Authentication
                          C) Association Request
                          D) PS-Poll


                          5. You have received reports of performance problems in a BSS. One specific user is indicating that her downloads are taking a very long time compared to other users around her. You want to determine if the AP is sending frames multiple times to get through to the user's computer.
                          Where should you monitor with the protocol analyzer to see retries from the AP in this scenario?

                          A) Directly in the middle of the AP and client STA
                          B) Very near the AP
                          C) Capture from another AP in another BSS
                          D) Very near the client STA


                          Solutions:

                          Question # 1
                          Answer: A
                          Question # 2
                          Answer: B
                          Question # 3
                          Answer: A
                          Question # 4
                          Answer: D
                          Question # 5
                          Answer: B

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