No Chance of Failure with CWNP CWAP-404 Actual Exam Questions

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CWNP CWAP-404 Exam Syllabus Topics:

Topic	Details
Topic 1	Frame Exchanges: The topic evaluates the skills of a wireless network professional in capturing, understanding, and analyzing various frame exchanges, including BSS discovery, joining, roaming, and data frames. The CWAP-404 exam targets the ability of candidates to troubleshoot and resolve issues related to MAC layer operations, ensuring they can maintain robust and efficient WLAN communications.
Topic 2	WLAN Medium Access: The exam evaluates the understanding of a wireless network professional about 802.11 contention algorithms and their impact on WLAN performance. The CWAP-404 exam requires candidates to analyze QoS configurations and operations.
Topic 3	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 4	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 5	PHY Layers and Technologies: In the topic, the CWAP-404 Exam Tests the understanding of a wireless network professional about the Physical (PHY) layer functions and technologies. Wireless analysts need to describe and apply knowledge of PHY headers, PPDUs, and other PHY-related data. This topic ensures that analysts are proficient in interpreting PHY information within protocol analyzers and can select appropriate capture devices for different PHY types.

CWNP CWAP-404 Exam Certification Details:

Recommended Training	CWAP self-paced training kit, Training Class
Duration	90 minutes
Exam Code	CWAP-404 CWAP
Exam Name	Wireless Analysis Professional
Exam Registration	PEARSON VUE
Exam Price	$275 USD
Passing Score	70%
Number of Questions	60

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CWAP-404 Sample Questions - Test CWAP-404 Assessment

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CWNP Certified Wireless Analysis Professional Sample Questions (Q56-Q61):

NEW QUESTION # 56
What interframe space would be expected between a CIS and a Data frame?

A. DIFS
B. PIFS
C. AIFS
D. SIFS

Answer: D

Explanation:
Explanation
The interframe space that would be expected between a CTS (Clear to Send) and a Data frame is SIFS (Short Interframe Space). A SIFS is the shortest interframe space that is used for high-priority transmissions, such as ACKs (Acknowledgements), CTSs, or data frames that are part of a fragmentation or aggregation process. A SIFS is a fixed value that depends on the PHY type and channel width. A CTS and a Data frame are part of a virtual carrier sense mechanism called RTS/CTS (Request to Send/Clear to Send), which is used to avoid collisions and hidden node problems in wireless transmissions. When a STA (station) wants to send a data frame, it first sends an RTS frame to the intended receiver, indicating the duration of the transmission. The receiver then responds with a CTS frame, also indicating the duration of the transmission. The other STAs in the vicinity hear either the RTS or the CTS frame and update their NAV (Network Allocation Vector) timers accordingly, deferring their access to the medium until the transmission is over. The sender then sends the data frame after waiting for a SIFS, followed by an ACK frame from the receiver after another SIFS. The other options are not correct, as they are not used between a CTS and a Data frame. A PIFS (PCF Interframe Space) is used for medium access by the PCF (Point Coordination Function), which is an optional and rarely implemented polling-based mechanism that provides contention-free service for time-sensitive traffic. An AIFS (Arbitration Interframe Space) is used for medium access by different ACs (Access Categories), which are logical queues that correspond to different QoS (Quality of Service) levels for different types of traffic. An AIFS is a variable interframe space that depends on the AIFSN (Arbitration Interframe Space Number) value of each AC. A DIFS (Distributed Interframe Space) is used for medium access by the DCF (Distributed Coordination Function), which is the default and mandatory contention-based mechanism that provides best-effort service for normal traffic. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 6: 802.11 Frame Exchanges, page 166-167; Chapter 7: QoS Analysis, page 194-195

NEW QUESTION # 57
Given: Adjacent Channel Interference (ACI) can cause frame corruption and poor performance in WLANs. You are using a protocol analyzer in the attempt to detect ACI.
What should you look for in such a scenario?

A. Look at Retry counts
B. Capture on the channel you think may be impacted by ACI and see if any frames are captured from adjacent channels
C. Look at CRC errors
D. Look for frames with a low signal strength value in the radio tap header

Answer: B

NEW QUESTION # 58
What types of wireless systems are illustrated?

A. An ERP IEEE 802.11 system using channel 6 and Bluetooth v1.2 discovery
B. A 2.4 GHz cordless phone on channel 14 and a wireless RFID reader
C. An 802.11 HR/DSSS system using channel 2 and a digital FHSS phone
D. A Bluetooth v2.0 file transfer and a 40 MHz HT AP on channels 11, 7 (primary, secondary)

Answer: A

NEW QUESTION # 59
Which one of the following is not a valid reason for an AP to fail a STAs association?

A. Requesting station does not support all the required data rates
B. Requesting station has the wrong PSK
C. AP is unable to handle additional associations
D. Does not support the specified authentication algorithm

Answer: B

NEW QUESTION # 60
Which statements are true regarding Beacons from an AP in an HT infrastructure BSS that is configured with multiple WLAN profiles? (Choose 3)

A. The Beacon interval must be the same for all WLANs (SSIDs) supported by a single AP
B. The Destination Address is always FF:FF:FF:FF:FF:FF.
C. Beacons can be disabled for security purposes.
D. The BSSID and Source Address are always the same.
E. When the SSID is "hidden," the ESS subfield of the Capability Information field distinguishes one BSS from another.
F. The Receiver address and the BSSID are always the same.
G. All Beacons generated by APs contain a TIM information element.

Answer: B,D,G

NEW QUESTION # 61
......

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