The list below indicates the main topics one should study thoroughly to succeed in the exam:

• 802.11 Frame Exchanges
• Spectrum Analysis
• MAC Sublayer and Functions
• Protocol Analysis
• PHY Layers and Technologies
• WLAN Medium Access

Reference: https://www.cwnp.com/certifications/cwap

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Test Domains

CWAP-403 topics have been developed based on a JTA (Job Task Analysis), which involved experts and professionals in wireless networking. Thus, the topics and the domains represent how important the content is for acing the official test. The areas that you'll come across on the exam day are captured as follows:

• 802.11 Frame Exchanges

  The first part of such a segment regards capturing, understanding, and analyzing BSS discovery in addition to joining frame exchanges. This further looks at BSS discovery, 802.11 authentication as well as association, 802.1X/EAP exchanges, four-way handshake, group key exchange, neighbour discovery, and more. The second scope is centered on analyzing roaming behavior as well as resolving roaming challenges. It's all about of where to find excessive roaming, sticky clients, and channel aggregation aimed at roaming analysis. The third section is about analyzing frame exchanges for data. It captures data frames in addition to acknowledgement frames, RTS/CTS and QoS data frame exchanges, and block acknowledgement exchanges. The fourth aspect of this topic concerns analyzing transmission methods that are specific to HT/VHT. Particularly, this looks into Transmit Beamforming (TxBF), MIMO, and MU-MIMO. In addition, you'll know all you need about the frame aggregation (A-MPDU and A-MSDU). The fifth and final thing is about analyzing behavior and resolving problems that relate to operations within the MAC layer. This goes further into operations for Power Save, load balancing, band steering, and protection mechanisms.

• PHY Layers & Technologies

  This topic is about understanding and describing the functions as well as the PLCP sub-layers, applying the knowledge of PHY technologies that include PHY headers, training fields, preambles, data rates, and frame aggregations to captured data, and identifying as well as using PHY information as availed in pseudo-headers within protocol analyzers. More domains are focused on recognizing the limits related to protocol analyzers during the capture of PHY information that includes NULL data packets as well as PHY headers and using proper capture devices depending on the knowledge of PHY types.

• Protocol Analysis

  This concerns detailing 802.11 frames with the use of proper methods as well as locations, analyzing what the 802.11 frame has captured to allow the discovery of problems and finding of solutions, and understanding as well as applying common capture parameters for the configuration that are available within protocol analysis. Other aspects are utilizing additional tools used for capturing 802.11 frames with the intention of analyzing, troubleshooting, and ensuring the usage of proper troubleshooting methods with all types of analysis.

• Spectrum Analysis

  Such an area includes explaining data for RF spectrum and understanding commonly available views within spectrum analysis, analyzing spectrum captures for the purpose of identifying relevant issues and information concerning RF, analyzing captures for spectrum for the purpose of identifying varied device signatures, and centralizing solutions for spectrum analysis.

• MAC Sub-Layer & Functions

  This part includes the understanding of frame encapsulation in addition to frame aggression. It also includes identifying and using MAC information within captured data to carry out analysis, which will be looking further at management, control as well as data frames, MAC Frame Format, 802.11 Management Frame Formats, Data & QoS Data Frame Formats, and 802.11 Control Frame Formats. Another portion looks at validating the configuration of BSS through analysis of the protocol. This covers country code, supported rates, minimum basic rate, WMM settings, beacon intervals, HT & VHT operations, primary channel, and more. There is also the part on identifying and analyzing CRC error and retransmitted frames.

• WLAN Medium Access

  The last tested domain delves into the understanding of 802.11 contention algorithms and knowledge of their impact on WLANs. This concerns DCF (Distributed Coordination Function), EDCA (Enhanced Distributed Channel Access), and WMM (Wi-Fi Multimedia). It also touches on the analysis of QoS configuration as well as operations. Also, it further discusses the verification of QoS parameters within capture files and ensures an end-to-end implementation of QoS.

The Certified Wireless Analysis Professional, commonly known as CWAP-403, is a professional-level exam that targets IT specialists responsible for capturing and analyzing data related to wireless networks and using the required troubleshooting skills, principles, and methodology. Such individuals demonstrate excellent skills in the management of protocols, frame standards, and exchanges within the MAC sublayer and Physical layer. Thus, the knowledge areas addressed in this test originate from a Job Task Analysis (JTA) accomplished by wireless networking experts and other IT professionals.

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Prerequisites

The candidates for this certification exam have mastery in frame and operation exchanges. They have competence in performing spectrum and protocol analyses. They also posses the knowledge and skills to work with MAC layer frame formats.

The associated certification for the CWNP CWAP-403 exam is of the Professional level. This means that to obtain it, the students must have the valid CWNA certificate. Moreover, please note that you should get at least 70% of the total score for the test if you want to earn this professional-level certification. If you are taking the exam as an instructor, you must gain a minimum of 80% score in the test to be eligible for it.

CWNP CWAP-403 Exam Syllabus Topics: