Exam Code: CWAP-402
Exam Name: Certified Wireless Analysis Professional
Certification Provider: CWNP
Corresponding Certification: CWAP Certification
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CWNP CWAP-402 Exam Syllabus Topics:

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

CWNP Certified Wireless Analysis Professional Sample Questions:

1. You have been asked to recommend a solution for protocol capture of 802.11 frames consisting of 3x3:3 802.11ac communications. The requirement specifies that you gain a general view of a coverage area and does not require that you capture from specific user locations. The solution must be the least expensive practical solution possible that does not disrupt user access to the WLAN and it must be based on enterprise WLAN hardware.
What solution would you recommend so that any coverage area could be monitored on demand?

A) Install laptop-based protocol analyzer near each AP
B) Install the minimum number of Aps required for coverage and use these Aps for protocol analysis as needed
C) Install sufficient Aps so that an AP can be taken offline to perform protocol analysis as needed
D) Install Wireshark on the Aps natively to allow dynamic capture while serving clients


2. You are tasked with describing the various frames used in 802.11 communications.
What frame is used for spectrum management, fast BSS transition and some other actions taken within a BSA?

A) BlockAck
B) PS Poll
C) Action
D) CTS


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


4. You have implemented centralized, infrastructure-based spectrum analysis. The Aps are configured to perform spectrum analysis in an ad-hoc manner and will go offline as Aps to perform this duty when needed.
What unique method of spectrum analysis monitoring is provided by this solution that is not typically available in a laptop-based analyzer?

A) Real-time FFT
B) Band selection
C) Web-based viewing
D) RBW adjustments


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


Solutions:

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

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