CWAP-404 Prep Guide | CWAP-404 Vce Download
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The CWAP-404 certificate is one of the popular IT certificates. Success in the CWAP-404 credential examination enables you to advance your career at a rapid pace. You become eligible for many high-paying jobs with the Certified Wireless Analysis Professional CWAP-404 certification. To pass the Certified Wireless Analysis Professional test on your first sitting, you must choose reliable CWNP CWAP-404 Exam study material. Don’t worry aboutCertified Wireless Analysis Professional CWAP-404 test preparation, because PassSureExam is offering CWAP-404 actual exam questions at an affordable price.
CWNP CWAP-404 Exam Certification Details:
Passing Score
70%
Sample Questions
CWNP CWAP-404 Sample Questions
Exam Registration
PEARSON VUE
Exam Price
$275 USD
Exam Code
CWAP-404 CWAP
Exam Name
Wireless Analysis Professional
Number of Questions
60
CWNP CWAP-404 Exam Topics:
Section
Objectives
Protocol Analysis - 15%
Capture 802.11 frames using the appropriate methods
- Select capture devices
- Install monitor mode drivers
- Select capture location(s)
- Capture sufficient data for analysis
- Capture all channels or capture on a single channel as needed
- Capture roaming events
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
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 while understanding the information shown and applying 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 a capture’s statistical information for analysis
- Use expert mode for analysis
- View and understand peer maps as they relate to communications analysis
Utilize additional tools that capture 802.11 frames for 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 probable causes
- Capture and analyze the data
- Observe the problem
- Choose appropriate remediation steps
- Document the problem and resolution
Spectrum Analysis - 10%
Capture RF spectrum data and understand the common views available in spectrum analyzers
- Install, configure, and use spectrum analysis software and hardware
- Capture RF spectrum data using handheld, laptop-based, and infrastructure spectrum capture solutions
- Understand and use spectrum analyzer views
Analyze spectrum captures to identify relevant RF information and issues
- RF noise floor in an environment
- Signal-to-Noise Ratio (SNR) for a given signal
- Sources of RF interference and their locations
- RF channel utilization
- Non-Wi-Fi transmitters and their 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 various 802.11 PHYs
- Identify non-802.11 devices based on RF behaviors and signatures
Use centralized spectrum analysis solutions
- AP-based spectrum analysis
- Sensor-based spectrum analysis
PHY Layers and Technologies - 10%
Understand and describe the functions of the PHY layer and the PHY protocol data units (PPDUs)
- DSSS (Direct Sequence Spread Spectrum)
- HR/DSSS (High Rate/Direct Sequence Spread Spectrum)
- OFDM (Orthogonal Frequency Division Multiplexing)
- ERP (Extended Rate PHY)
- HT (High Throughput)
- VHT (Very High Throughput)
- HE (High Efficiency)
Apply the understanding of PHY technologies, including PHY headers, preambles, training fields, frame aggregation, and data rates, to captured data
Identify and use PHY information provided within pseudo-headers in protocol analyzers
- Pseudo-Header formats
- Key pseudo-header content
Recognize the limits of protocol analyzers to capture PHY information including NULL data packets and PHY headers
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CWNP Certified Wireless Analysis Professional Sample Questions (Q119-Q124):
NEW QUESTION # 119
ABC International has installed a new smart ZigBee controlled lighting system. However, the network team is concerned that this new system will interfere with the existing WLAN and has asked you to investigate the impact of the two systems operating simultaneously in the 2.4 GHz band. When performing Spectrum Analysis, which question could you answer by looking at the FFT plot?
Answer: D
Explanation:
Explanation
The FFT plot is a spectrum analysis plot that shows the RF power present at a particular frequency over a short period of time. It can help identify the sources and characteristics of RF signals in the spectrum. By looking at the FFT plot, you can determine which ZigBee channels are used by the lighting system and whether they overlap with the WLAN channels in the 2.4 GHz band. ZigBee channels are 5 MHz wide and WLAN channels are 20 MHz or 40 MHz wide, so there is a possibility of overlap and interference between them. The other questions cannot be answered by looking at the FFT plot alone, as they require other types of plots or analysis tools, such as duty cycle plot, airtime utilization plot, or protocol analyzer. References: [Wireless Analysis Professional Study Guide], Chapter 3: Spectrum Analysis, page 69-70
NEW QUESTION # 120
In the frame decode shown, there are two sets of supported data rates. 1, 2, 5.5, and 11 Mbps are all shown as "basic" data rates, and 6, 9, 12, 18, 24, 36, 48, and 54 Mbps are shown simply as supported data rates.
What is true of "basic" data rates in this context?
Answer: A
NEW QUESTION # 121
You want to simplify viewing frames of a particular type in Wireshark.
What is used to specify frames for colorization?
Answer: C
NEW QUESTION # 122
ABC International has installed a new smart ZigBee controlled lighting system. However, the network team is concerned that this new system will interface with the existing WLAN and has asked you to investigate the impact of the two systems operating simultaneously in the 2.4 GHz band. When performing Spectrum Analysis, which question could you answer by looking at the FFT plot?
Answer: A
Explanation:
The FFT plot is a spectrum analysis plot that shows the RF power present at a particular frequency over a short period of time. It can help identify the sources and characteristics of RF signals in the spectrum. By looking at the FFT plot, you can determine which ZigBee channels are used by the lighting system and whether they overlap with the WLAN channels in the 2.4 GHz band. ZigBee channels are 5 MHz wide and WLAN channels are 20 MHz or 40 MHz wide, so there is a possibility of overlap and interference between them. The other questions cannot be answered by looking at the FFT plot alone, as they require other types of plots or analysis tools, such as duty cycle plot, airtime utilization plot, or protocol analyzer.
NEW QUESTION # 123
Which one of the following should be the first step when troubleshooting a WLAN issue?
Answer: C
Explanation:
Explanation
The first step in any troubleshooting process is to define the problem. This involves gathering information from various sources, such as users, network administrators, network documentation, and network monitoring tools. Defining the problem helps to narrow down the scope of the issue and identify the symptoms, causes, and effects of the problem12 References:
CWAP-403 Study Guide, Chapter 1: Troubleshooting Methodology, page 7
CWAP-403 Objectives, Section 1.1: Define the problem
NEW QUESTION # 124
......
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