Pass Guaranteed 2025 CWNP CWAP-404 Updated Reliable Test Notes

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CWNP CWAP-404 Exam Syllabus Topics:

Topic	Details
Topic 1	Spectrum Analysis: The topic assesses the ability of a wireless network professional to capture and interpret RF spectrum data. The exam targets the skills in identifying device signatures and RF issues through spectrum analyzers.
Topic 2	Protocol Analysis: The topic in the CWNP CWAP-404 exam evaluates the skill of a wireless network professional to capture and analyze 802.11 frames effectively. Candidates must demonstrate proficiency in configuring protocol analysis tools, interpreting frame captures to diagnose issues, and applying appropriate troubleshooting methods.
Topic 3	MAC Sublayer and Functions: The topic measures the ability of a wireless network professional to understand and analyze the MAC layer operations. Candidates are expected to validate BSS configurations and identify issues like CRC errors and retransmissions, ensuring they can maintain the integrity and performance of the WLAN.

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CWNP Certified Wireless Analysis Professional Sample Questions (Q83-Q88):

NEW QUESTION # 83
ABC Company is having VoWiFi latency problems on their 802.11g WLAN. A wireless administrator has noticed in the phone's client utilities software that the MAC CRC Error count is higher on stations with problems than on those client stations without problems.
A high MAC CRC Error count is attributable to which of the following? (Choose 3)

A. 2.4 GHz ISM band interference from sources such as wireless video cameras and analog phones
B. High multipath conditions due to an RF environment with highly reflective materials
C. Co-located DCF and EDCA access points that are using non-overlapping 2.4 GHz channels
D. Two access points with overlapping coverage on a single channel
E. Dynamic Rate Switching algorithms that decrease data rates for latency-sensitive applications
F. High collision rates due to dense population of voice stations and no admission control

Answer: A,B,F

NEW QUESTION # 84
Which common feature of a Spectrum Analyzer would be the best to help you locate a non-802.11 interference source?

A. Min hold
B. Device finder
C. Location filter
D. Max hold

Answer: B

Explanation:
Explanation
The device finder is a common feature of a spectrum analyzer that helps locate a non-802.11 interference source. The device finder uses a directional antenna to measure the signal strength of a specific frequency or signal source. By pointing the antenna in different directions, the device finder can indicate the direction and distance of the interference source. The device finder can also filter out other signals that are not related to the interference source. The other options are not correct, as they do not help locate a non-802.11 interference source. Max hold and min hold are features that show the maximum and minimum RF power levels over time,respectively. Location filter is a feature that filters out signals that are not from a specific location or area. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 3: Spectrum Analysis, page 77-78

NEW QUESTION # 85
Given: The graphic is taken from a spectrum analyzer.

What types of RF transmitters are illustrated?

A. A 2.4 GHz cordless phone and an OpenAir FHSS system
B. A 20 MHz HT IEEE 802.11 system using channel 1 and a microwave oven
C. A Bluetooth headset and a narrowband RF jamming device
D. An IEEE 802.11 HR/DSSS security camera on channel 6 and an RFID tag

Answer: B

NEW QUESTION # 86
While at a government-operated facility, you are attempting to troubleshoot a WLAN performance problem using a wireless protocol analyzer. When you start capturing frames, you see a proprietary layer 2 protocol running over the ERP network as shown in this screenshot. The facility's WLAN administrator confirms that this protocol is proprietary and used for both data encryption and compression.

How will this information affect the steps you take to troubleshoot performance problems on this WLAN?

A. As long as you load the proprietary software codec onto your analyzer computer, you will be able to see all of the Data frame information fully decoded. Loading the proprietary software codec will allow you to troubleshoot the WLAN as though no encryption were in use.
B. The proprietary encryption protocol will have no effect on your troubleshooting steps because the wireless protocol analyzer can still decode the PLCP and MAC headers of Data frames. This situation is essentially no different than troubleshooting a WLAN that uses WPA2-Personal.
C. Troubleshooting will be somewhat limited because only part of the information needed for performance measurements by the analyzer is encrypted. Each Data frame's MAC header will be encrypted, but the PLCP header can still be decoded successfully.
D. In order to troubleshoot performance problems on a network using proprietary encryption protocols like this one, you must use a wireless protocol analyzer that has integrated support for the protocol in use.

Answer: B

NEW QUESTION # 87
What is the purpose of a PHY preamble?

A. It provides a cyclic redundancy check (CRC) for the receiving station to validate that the PLCP header was received correctly.
B. It provides the receiver(s) with an opportunity for RF channel synchronization prior to the start of the PLCP header.
C. It communicates important information about the PSDU's length, rate, and upper layer protocol- related parameters.
D. It indicates to the PHY the modulation that shall be used for transmission (and reception) of the PSDU.

Answer: B

NEW QUESTION # 88
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Pass Guaranteed 2025 CWNP CWAP-404 Updated Reliable Test Notes

CWNP CWAP-404 Exam Syllabus Topics:

CWAP-404 Lead2pass Review, Exam CWAP-404 Simulator Online

CWNP Certified Wireless Analysis Professional Sample Questions (Q83-Q88):

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