CWNP CWAP-402 : Certified Wireless Analysis Professional

  • Exam Code: CWAP-402
  • Exam Name: Certified Wireless Analysis Professional
  • Updated: Jul 27, 2026   Q&As: 60 Questions and Answers

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CWNP CWAP-402 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 802.11 Communications25%- PHY Layer Analysis
  • 1. Performance indicators
  • 2. PHY headers and preambles
- 802.11 Operations and Frame Exchanges
  • 1. Frame transmission and data rates
  • 2. Security negotiations
  • 3. Authentication and association processes
- 802.11 Frame Analysis
  • 1. Data frames
  • 2. Control frames
  • 3. Management frames
Topic 2: WLAN Hardware15%- Wired Infrastructure
  • 1. Servers and network services
  • 2. Switches and routers
- Wireless Client Devices
  • 1. Supplicants and client implementations
  • 2. Wireless radios and drivers
- Analysis Hardware
  • 1. Protocol analysis hardware
  • 2. Spectrum analysis hardware
- Infrastructure Components
  • 1. Access points and antennas
  • 2. Controllers and management systems
  • 3. Power and connectivity options
Topic 3: Troubleshooting Common Problems20%- Client-Side Issues
  • 1. Configuration errors
  • 2. Supplicant incompatibilities
  • 3. Driver instability
  • 4. Operating system defects
- Mobility and Roaming
  • 1. Roaming failures
  • 2. Connection recovery issues
  • 3. VoIP call drops
- Network Performance Issues
  • 1. Interference-related problems
  • 2. Quality of Service troubleshooting
  • 3. Capacity and connectivity issues
- Security Troubleshooting
  • 1. Mobile device management integration
  • 2. Encryption issues
  • 3. Authentication failures
Topic 4: Troubleshooting Processes5%- Wireless Troubleshooting Methodologies
  • 1. Use of analysis and operating system tools
  • 2. Industry and vendor troubleshooting processes
  • 3. OSI model application in WLAN troubleshooting
Topic 5: Protocol and Spectrum Analysis35%- Interference Identification
  • 1. Bluetooth devices
  • 2. Microwave ovens
  • 3. Wireless video systems
  • 4. Cordless phones
- Spectrum Analysis
  • 1. SNR and signal strength analysis
  • 2. Duty cycle and utilization analysis
  • 3. Resolution bandwidth and sweep cycles
  • 4. PC-based spectrum analyzer operation
- Protocol Analysis
  • 1. Wired traffic analysis for WLAN operations
  • 2. Protocol analyzer features and functions
  • 3. Wireless traffic capture and analysis

CWNP Certified Wireless Analysis Professional Sample Questions:

1. Given: Adjacent Channel Interference (ACI) can cause frame corruption and poor performance in WLANs. You are using a protocol analyzer in the attempt to detect ACI.
What should you look for in such a scenario?

A) Capture on the channel you think may be impacted by ACI and see if any frames are captured from adjacent channels
B) Look for frames with a low signal strength value in the radio tap header
C) Look at CRC errors
D) Look at Retry counts


2. As the WLAN engineer in your organization, you must troubleshoot performance problems related to co-channel interference (CCI).
What is a good measurement of CCI impact in addition to the number of APs seen on a channel?

A) Retries
B) Utilization
C) The frequency used
D) Non-Wi-Fi device count


3. You have captured 802.11 traffic using an adapter that includes the radio tap header. You see several frames often called announcement frames in the capture.
What best describes these types of frames?

A) They are meant to provide information to the network that may result in state changes, but they are not open for rejection
B) They are used to allow a STA to awake from sleep and for no other reason
C) They only include beacon and probe response frames
D) They only include beacon and probe request frames


4. 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) Real-time FFT
B) Swept spectrogram
C) Device listing
D) Channel listing


5. As the WLAN administrator in your organization you are responsible for troubleshooting connection issues. Several STAs are connecting to the network, but are unable to communicate after connection. You suspect a DHCP problem. After capturing traffic on the wired-side of the AP, you want to view only DHCP traffic.
What filter in Wireshark can be used for this purpose?

A) DHCPv6
B) BOOTP
C) DHCPv4
D) DHCP


Solutions:

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

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