CWNP CWAP-405 Questions Exam Study Tips And Information

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CWNP CWAP-405 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Spectrum Analysis Tools and Methodologies15%- Spectrum analyzer configuration parameters and visualization layouts
  • 1. Interpret real-time FFT graphs, waterfall logs, and persistence charts
  • 2. Configure sweeping rules, RBW controls, and span baselines
- Non-802.11 interference isolation and signature tracking
  • 1. Identify signatures of Bluetooth, microwave ovens, and analog video systems
  • 2. Analyze duty cycle measurements to evaluate active airtime constraints
Topic 2: 802.11 Frame Formats and Technologies20%- Physical Layer (PHY) header mechanics and encoding structures
  • 1. Analyze PHY metrics including HE, EHT, and VHT configuration nodes
  • 2. Decode training fields, signal fields, and preamble formats
- MAC sublayer encapsulation and frame structural components
  • 1. Deconstruct MAC header fields, duration IDs, and sequence controls
  • 2. Evaluate A-MPDU and A-MSDU frame aggregation structures
Topic 3: Protocol Analysis Tools and Methodologies15%- Troubleshooting methodologies and capture safety
  • 1. Isolate protocol analyzer drop counts during heavy file transfers
  • 2. Apply disciplined network diagnostic isolation lifecycles
- WLAN analyzer architectures and placement configurations
  • 1. Configure local and remote frame capture adapters
  • 2. Analyze hardware timestamp methods to minimize processing delays
  • 3. Implement multi-channel packet aggregators
Topic 4: 802.11 Operation and Frame Exchanges40%- Security framework verification and encryption tracking
  • 1. Trace 802.1X/EAP authentication phase transitions
  • 2. Deconstruct WPA3, SAE, and 4-way handshake key exchanges
- Control plane handshakes and transmission recovery operations
  • 1. Analyze RTS/CTS protection rules and standard ACK frame transmissions
  • 2. Evaluate Block ACK session initialization and bitmap tracking loops
- Management sublayer protocols and connectivity lifecycles
  • 1. Analyze beaconing, multi-BSSID profiles, and probe exchange sequences
  • 2. Trace authentication, association, and multi-tier roaming handshakes
  • 3. Evaluate 802.11 power save operational states and timeline markers
Topic 5: WLAN Medium Access10%- Contention algorithms and wireless scheduling parameters
  • 1. Evaluate EDCA parameters, access categories, and TXOP duration limits
  • 2. Analyze DCF mechanics, carrier sensing, and backoff timers

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CWNP Certified Wireless Analysis Professional Sample Questions (Q78-Q83):

NEW QUESTION # 78
Given: Protocol analyzer often have useful graphical dashboards providing information about the health and operations of the WLAN.
What is a valid use of a graph showing the Top APs Based on Active Associations?

Answer: B


NEW QUESTION # 79
The ABC organization has recently installed an 802.11ac wave 2 network. They have seen no improvement in the WLAN performance. The network administrator has noticed that his Wi-Fi client is not using 802.11ac data rates and has asked you to troubleshoot the issue. After examining the Beacon frames from the APs, you are able to explain the problem. Which part of the beacon frame allowed you to troubleshoot this problem?

Answer: C

Explanation:
802.11ac requires the use of AES-CCMP for encryption. If the RSN element shows TKIP, clients will not use 802.11ac rates because TKIP is incompatible with the high-throughput PHY features, explaining why no performance improvement is observed.


NEW QUESTION # 80
What is the purpose of a PHY preamble?

Answer: D


NEW QUESTION # 81
You are using a laptop-based protocol analyzer to scan all channels and determine the basic configuration of the WLAN Basic Service Set in your facility. You are scanning all channels. All configured with default settings.
What can you change to cause the scan to run faster while still APs are capturing beacon frames on all the channels?

Answer: A


NEW QUESTION # 82
In what scenario is Open Authentication without encryption not allowed based on the 802.11 standard?

Answer: B

Explanation:
Open Authentication without encryption is not allowed when operating a BSS in the 6 GHz band, according to the 802.11 standard. Open Authentication is a type of authentication method that does not require any credentials or security information from a STA (station) to join a BSS (Basic Service Set). Open Authentication can be used with or without encryption, depending on the configuration of the BSS and the STA. Encryption is a technique that scrambles the data frames using an algorithm and a key to prevent unauthorized access or eavesdropping. However, in the 6 GHz band, which is a newly available frequency band for WLANs, Open Authentication without encryption is prohibited by the 802.11 standard, as it poses security and interference risks for other users and services in the band. The 6 GHz band requires all WLANs to use WPA3-Personal or WPA3-Enterprise encryption methods, which are more secure and robust than previous encryption methods such as WPA2 or WEP. The other options are not correct, as they do not describe scenarios where Open Authentication without encryption is not allowed by the 802.11 standard.
When operating a BSS in the CBRS band, which is another newly available frequency band for WLANs, Open Authentication without encryption is allowed, but not recommended, as it also poses security and interference risks for other users and services in the band. When operating a BSS in FIPS mode, which is a mode that complies with the Federal Information Processing Standards for cryptographic security, Open Authentication without encryption is allowed, but not compliant, as it does not meet the FIPS requirements for encryption algorithms and keys. When operating a BSS in a government facility, Open Authentication without encryption is allowed, but not advisable, as it may violate the government policies or regulations for wireless security. References: [Wireless Analysis Professional Study Guide CWAP-405], Chapter 8: Security Analysis, page 220-221


NEW QUESTION # 83
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