Free PDF Quiz CWNP - CWAP-404–Trustable Test Practice

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CWNP CWAP-404 Exam Certification Details:

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

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CWAP-404 Latest Test Cost - CWAP-404 Questions Exam

Customers can start using the CWNP CWAP-404 Exam Questions instantly just after purchasing it from our website for the preparation of the CWAP-404 certification exam. They can also evaluate the Certified Wireless Analysis Professional (CWAP-404) practice test material before buying with a free demo. The users will receive updates 365 days after purchasing. And they will also get a 24/7 support system to help them anytime if they got stuck somewhere or face any issues while preparing for the CWAP-404 Exam.

CWNP CWAP-404 Exam Syllabus Topics:

Topic	Details
Topic 1	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 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	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 Certified Wireless Analysis Professional Sample Questions (Q136-Q141):

NEW QUESTION # 136
You work as an SE for a value-added reseller. A client has an existing deployment of 802.11n Aps and wants to upgrade several BSSs to 802.11ac.
What hardware feature of some enterprise Aps may allow for this without a forklift upgrade?

A. Replace the antennas with 802.11ac antennas
B. Adding an 802.11ac module to the existing APs
C. Converting the 802.11n radio to an 802.11ac radio through software
D. Simply check the Enable 802.11ac checkbox in the web-based configuration interface

Answer: B

NEW QUESTION # 137
Prior to a retransmission what happens to the CWmax value?

A. Set to the value of the AIFSN
B. Increases by 1
C. Reset to 0
D. Doubles and increases by 1

Answer: D

Explanation:
Explanation
Before a retransmission, the CWmax (Contention Window maximum) value doubles and increases by 1. The CWmax is a parameter that determines the upper limit of the random backoff time that a STA (station) has to wait before attempting to access the medium. The random backoff time is chosen from a range of values between CWmin (Contention Window minimum) and CWmax. The CWmin and CWmax values depend on the AC (Access Category) of the traffic and the PHY type of the STA. If a transmission fails due to a collision or an error, the STA has to retransmit the frame after waiting for another random backoff time. However, to reduce the probability of another collision, the STA increases its CWmax value by doubling it and adding 1.
This increases the range of possible backoff values and spreads out the STAs more evenly. The STA resets its CWmax value to its original value after a successful transmission or after reaching a predefined limit. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 7: QoS Analysis, page
196-197

NEW QUESTION # 138
After examining a Beacon frame decode you see the SSID Element has a length of 0. What do you conclude about this frame?

A. SSID elements always have a length of 0
B. The frame is corrupted
C. This is a common attack on WISP backend SQL databases
D. The beacon is from a BSS configured to hide the SSID

Answer: D

Explanation:
If the SSID element has a length of 0 in a Beacon frame decode, it means that the beacon is from a BSS configured to hide the SSID. The SSID element is a part of the Beacon frame that contains the name or identifier of the BSS. The SSID element has two fields: length and value. The length field indicates how many bytes are used for the value field, which contains the actual SSID string.
If the length field is 0, it means that there is no value field or SSID string in the element. This is a common technique used by some APs to hide their SSID from passive scanning clients or potential attackers. However, this technique does not provide much security, as there are other ways to discover or reveal the hidden SSID, such as active scanning or capturing probe response or association frames.

NEW QUESTION # 139
802.11k Neighbor Requests and Neighbor Reports are sent in what type of Management Frames?

A. RRM
B. Beacon
C. Action
D. Reassociation Request and Reassociation Response

Answer: C

Explanation:
802.11k Neighbor Requests and Neighbor Reports are sent in Action frames. An Action frame is a Management frame that is used to perform various operations or functions related to the operation or maintenance of a wireless network. An Action frame consists of a Category field that indicates the type of action being performed, and a variable-length Action Details field that contains specific information related to the action. For example, an Action frame with a Category field value of 5 indicates a Radio Measurement action, and the Action Details field may contain a Neighbor Request or a Neighbor Report subelement.

NEW QUESTION # 140
Which statements accurately describe IEEE 802.11 EDCA collision handling in a WMM-compliant infrastructure WLAN? (Choose 2)

A. The WMM specification requires use of RTS/CTS as part of the EDCAF within each QoS STA to avoid internal collisions between ACs.
B. When frames collide within a QoS STA, data frames from lower priority ACs behave (as it relates to contention) as if there were an external collision on the wireless medium.
C. Collisions between contending EDCAFs within a QoS STA are resolved within the QoS STA
D. When a frame transmission on the wireless medium fails, the transmitter may not transmit another frame from any AC or to any destination until the frame experiencing a failure is successfully transmitted or the max retry count for that frame is reached.
E. After frames collide within a QoS STA and the lower priority AC subsequently gains a TXOP, the retry bit in the MAC header must be set to 1 to indicate a retry.

Answer: B,C

NEW QUESTION # 141
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FREE PDF QUIZ CWNP - CWAP-404–TRUSTABLE TEST PRACTICE

Free PDF Quiz CWNP - CWAP-404–Trustable Test Practice