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CWNP CWAP-404 Exam Syllabus Topics:

Topic	Details
Topic 1	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.
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	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.

CWNP CWAP-404 Exam Certification Details:

Exam Price	$275 USD
Duration	90 minutes
Sample Questions	CWNP CWAP-404 Sample Questions
Exam Name	Wireless Analysis Professional

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CWNP Certified Wireless Analysis Professional Sample Questions (Q140-Q145):

NEW QUESTION # 140
Which statements are true regarding frame acknowledgement in an IEEE 802.11 WLAN? (Choose 3)

A. A client station's Reassociation Request frames are only acknowledged with a Reassociation Response from the access point and not with an ACK frame.
B. Probe request acknowledgement (sending of a Probe Response frame) is configurable in the access point and is always linked to SSID broadcast configuration in Beacons.
C. In an EDCA BSS, encrypted Data frames are only acknowledged by client stations, never by access points.
D. Following non-QoS Data frames with the More Fragments bit set to 1, the Duration/ID field of the ACK frame is set to a value equal to two SIFS plus the next Data fragment and its ACK.
E. Data frame fragments are acknowledged individually (with an ACK frame).
F. The RA field of ACK frames is always obtained from the Address 2 field in the corresponding frame being acknowledged.

Answer: D,E,F

NEW QUESTION # 141
How many frames make up the Group Key Handshake excluding any Ack frames that may be required?

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

Answer: D

Explanation:
Explanation
The Group Key Handshake consists of two frames excluding any Ack frames that may be required. The Group Key Handshake is used to distribute and update the Group Temporal Key (GTK) for encrypting broadcast and multicast traffic. The AP initiates the Group Key Handshake by sending a Group Key Message 1 frame to a STA, which contains the new GTK and other information. The STA responds with a Group Key Message 2 frame to the AP, which confirms the receipt of the GTK and other information. After this, both the AP and the STA can use the new GTK for encryption and decryption of broadcast and multicast traffic . References:
CWAP-404 Certified Wireless Analysis Professional Study and Reference Guide, Chapter 7: 802.11 Security, page 246; CWAP-404 Certified Wireless Analysis Professional Study and Reference Guide, Chapter 7: 802.11 Security, page 247.

NEW QUESTION # 142
Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?

A. In the MBR Action frame
B. Supported Rates & Extended Supported Rates elements in a Beacon frame
C. In the MBR Information Element in an Association Response frame
D. In the Minimum Basic Rate Element in a Beacon frame

Answer: B

Explanation:
Explanation
The configured Minimum Basic Rate (MBR) of a BSS can be identified by looking at the Supported Rates and Extended Supported Rates elements in a Beacon frame. A Beacon frame is a type of management frame that is transmitted by an AP to advertise its presence and capabilities to potential clients. A Beacon frame contains various information elements (IEs) that provide details about the BSS configuration and operation. The Supported Rates andExtended Supported Rates IEs list the data rates that are supported by the AP for data transmission. The MBR is the lowest data rate among these supported rates that is required for all clients to join and communicate with the BSS. The MBR is usually marked with a flag bit in these IEs to indicate its mandatory status. The other options are not correct, as they do not exist or do not indicate the MBR of a BSS. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 5: 802.11 MAC Sublayer, page 123-124

NEW QUESTION # 143
In an HT WLAN in which a delayed Block Ack policy is set up, what should result when an ACK frame is not received by the originator in response to a Basic BlockAckReq?

A. The last frame within that block must be retransmitted by the originator.
B. The BlockAckReq must be retransmitted by the originator.
C. All frames within that block must be retransmitted by the originator.
D. Nothing. No ACK is expected in response to a Basic BlockAckReq.

Answer: B

NEW QUESTION # 144
You have been recently hired as the wireless network administrator for an organization spread across seven locations. They have deployed more than 100 APs, but they have not been managed in either an automated or manual process for more than 18 months.
Given this length of time, what is one of the first things you should evaluate from a support perspective?

A. The VLANs in use
B. The channels in use
C. The firmware revision
D. The data rates allowed

Answer: C

NEW QUESTION # 145
......

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Pass4sure CWAP-404 Exam Prep & Latest CWAP-404 Exam Dumps

CWNP CWAP-404 Exam Syllabus Topics:

CWNP CWAP-404 Exam Certification Details:

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CWNP Certified Wireless Analysis Professional Sample Questions (Q140-Q145):

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