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CWAP-404 Reliable Exam Pass4sure | CWAP-404 Sample Questions Pdf

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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

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

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 4

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.

Topic 5

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.

CWNP CWAP-404 Exam Certification Details:

Exam Code
CWAP-404 CWAP

Exam Name
Wireless Analysis Professional

Exam Price
$275 USD

Recommended Training
CWAP self-paced training kit, Training Class

Number of Questions
60

Passing Score
70%

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CWNP Certified Wireless Analysis Professional Sample Questions (Q43-Q48):

NEW QUESTION # 43
How many frames are exchanged for 802.11 authentication in the 6 GHz band when WPA3- Enterprise is not used, and a passphrase is used instead?

A. 0
B. 1
C. 2
D. 3

Answer: D

Explanation:
Two frames are exchanged for 802.11 authentication in the 6 GHz band when WPA3-Enterprise is not used, and a passphrase is used instead. Authentication is a process that establishes an identity relationship between a STA (station) and an AP (access point) before joining a BSS (Basic Service Set). There are two types of authentication methods defined by 802.11: Open System Authentication and Shared Key Authentication. Open System Authentication does not require any credentials or security information from a STA to join a BSS, and it consists of two frames: an Authentication Request frame sent by the STA to the AP, and an Authentication Response frame sent by the AP to the STA. Shared Key Authentication requires a shared secret key from a STA to join a BSS, and it consists of four frames: two challenge-response frames in addition to the request-response frames. However, Shared Key Authentication uses WEP (Wired Equivalent Privacy) as its encryption algorithm, which is insecure and deprecated. In the 6 GHz band, which is a newly available frequency band for WLANs, Shared Key Authentication 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. WPA3-Personal uses a passphrase to derive a PMK (Pairwise Master Key), while WPA3-Enterprise uses an authentication server to obtain a PMK. Both methods use SAE (Simultaneous Authentication of Equals) as their authentication protocol, which replaces PSK (Pre-Shared Key) or EAP (Extensible Authentication Protocol). SAE consists of two frames: an SAE Commit frame sent by both parties to exchange elliptic curve parameters and nonces, and an SAE Confirm frame sent by both parties to verify each other's identities and generate a PMK. Therefore, when WPA3-Enterprise is not used, and a passphrase is used instead in the 6 GHz band, only two frames are exchanged for 802.11 authentication: an SAE Commit frame and an SAE Confirm frame.

NEW QUESTION # 44
Which statement accurately describes IEEE 802.11 Power Save operation in a Basic Service Set that does not support the QoS facility?

A. Upon receiving traffic for a dozing station, the access point wakes the client station using a PS- Poll frame so that the client station can receive the data.
B. Following a period of time in a low power state, client stations wake themselves and automatically poll the access point for traffic using a PS-Poll frame.
C. After waking at a scheduled TBTT, client stations send Null Function frames to the access point with the Power Management bit set back to zero.
D. When the access point's buffer is full, the access point wakes all client stations using a PS-Poll frame so that they can receive the data.
E. After waking from a low power state, client stations listen for the next Beacon to determine if sending a PS-Poll frame to the access point is necessary.

Answer: E

NEW QUESTION # 45
What is the function of the PMD sub-layer?

A. Converts 1s and 0s given to it by the PLCP sub-layer into the appropriate RF signals
B. Performs A-MPDU
C. Adds a PHY preamble and header to a PSDU
D. Provides framing

Answer: A

NEW QUESTION # 46
Which one of the following is an advantage of using display filters that is not an advantage of capture-time filters?

A. Multiple of them can be applied simultaneously
B. They allow for focused analysis on just the packets of interest
C. Once created they are reusable for later captures
D. They only hide the packets from view and the filtered packets can be enabled for view later

Answer: D

Explanation:
Explanation
Display filters are applied after the capture is completed and they only hide the packets from view. The filtered packets are still present in the capture file and can be enabled for view later by changing or removing the display filter. This is an advantage over capture-time filters, which discard the packets that do not match the filter criteria and cannot be recovered later34 References:
CWAP-403 Study Guide, Chapter 2: Protocol Analysis, page 37
CWAP-403 Objectives, Section 2.3: Apply display filters

NEW QUESTION # 47
Using the exhibit as a reference, which spectrum plots display, in real time, the value of RF amplitude as a function of radio frequency?

A. 1 and 3
B. All of the plots
C. 3 and 4
D. 1, 3, and 4
E. 1 and 2

Answer: A

NEW QUESTION # 48
......

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