CWAP-404 Reliable Test Topics - CWAP-404 Reliable Braindumps Questions

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CWNP CWAP-404 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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 4	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.

CWNP CWAP-404 Exam Certification Details:

Recommended Training	CWAP self-paced training kit, Training Class
Passing Score	70%
Exam Code	CWAP-404 CWAP
Exam Registration	PEARSON VUE
Duration	90 minutes
Sample Questions	CWNP CWAP-404 Sample Questions

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CWNP CWAP-404 Reliable Braindumps Questions & CWAP-404 New Exam Braindumps

You will receive a registration code and download instructions via email. We will be happy to assist you with any questions regarding our products. Our CWNP CWAP-404 practice exam software helps to prepare applicants to practice time management, problem-solving, and all other tasks on the standardized exam and lets them check their scores. The CWNP CWAP-404 Practice Test results help students to evaluate their performance and determine their readiness without difficulty.

CWNP Certified Wireless Analysis Professional Sample Questions (Q18-Q23):

NEW QUESTION # 18
When evaluating modulation and coding schemes, you must determine the best coding rate available.
In 802.11 MCS tables, what is the best coding rate from the perspective of highest data rates?

A. 1/2
B. 2/3
C. 5/6
D. 3/4

Answer: C

NEW QUESTION # 19
Finish the statement:
It is possible to distinguish between_______22 MHz transmissions and________20 MHz transmissions when looking at an FFT plot.

A. OFDM and HT
B. HR/DSSS and ERP
C. HT and VHT
D. ERP and VHT

Answer: A

Explanation:
Explanation
It is possible to distinguish between OFDM 20 MHz transmissions and HT 20 MHz transmissions when looking at an FFT plot. OFDM and HT are two different modulation schemes used by 802.11 WLANs. OFDM is used by legacy 802.11a/g devices, while HT is used by newer 802.11n/ac devices. OFDM and HT have different spectral characteristics that can be observed on an FFT plot. OFDM transmissions have a flat spectrum with sharp edges, while HT transmissions have a tapered spectrum with rounded edges. This is because HT uses guard intervals and cyclic prefixes to reduce inter-symbol interference and improve performance. The other options are not correct, as they do not describe different modulation schemes or channel widths that can be distinguished on an FFT plot. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 3: Spectrum Analysis, page 70-71

NEW QUESTION # 20
When an originator QoS STA initiates a BlockAck agreement with a recipient QoS STA, what is the first frame sent by the originator?

A. BlockAckPolicyReq
B. ADDBA Request
C. ActionBAReq
D. BlockAckReq
E. BlockAckSetupReq

Answer: B

NEW QUESTION # 21
You are explaining capacity planning to another engineer assisting you on a WLAN implementation project.
As part of the explanation, you provide the following formula:
C = B * log2(1 + S/N).
What does this formula define?

A. Maximum signal strength of a channel
B. The WEP encryption algorithm
C. Bandwidth capabilities of a channel
D. Minimum signal strength for a data rate

Answer: C

NEW QUESTION # 22
Prior to a retransmission what happens to the CWmax value?

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

Answer: A

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 # 23
......

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CWAP-404 RELIABLE TEST TOPICS - CWAP-404 RELIABLE BRAINDUMPS QUESTIONS

CWAP-404 Reliable Test Topics - CWAP-404 Reliable Braindumps Questions