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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	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	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 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.

CWNP CWAP-404 Exam Certification Details:

Duration	90 minutes
Exam Name	Wireless Analysis Professional
Sample Questions	CWNP CWAP-404 Sample Questions
Exam Code	CWAP-404 CWAP
Number of Questions	60
Passing Score	70%

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CWNP Certified Wireless Analysis Professional Sample Questions (Q142-Q147):

NEW QUESTION # 142
Protocol analyzers may present field values in either binary, decimal or hexadecimal. What precedes a hexadecimal value to indicate it is hexadecimal?

A. HEX
B. 0x
C. %
D. 16x

Answer: B

Explanation:
A hexadecimal value is a value that uses base 16 notation, which means it can have digits from 0 to 9 and letters from A to F.
A hexadecimal value is usually preceded by 0x to indicate that it is hexadecimal and not decimal or binary.
For example, 0x0A is hexadecimal for 10 in decimal or 00001010 in binary. The other options are not valid prefixes for hexadecimal values.

NEW QUESTION # 143
You are responsible for troubleshooting and analysis of the WLAN in your organization that supports more than 700 client STAs. Forty APs are deployed and they are all dual-band APs and are controller-based. You must troubleshoot the wired side in some scenarios using a protocol analyzer. Which one of the following problems would warrant wired-side analysis in most situations?

A. High 802.11 CRC rates
B. High 802.11 retry rates
C. DHCP problems
D. WMM QoS issues

Answer: D

NEW QUESTION # 144
Which one of the following is not an 802.11 Management frame?

A. Beacon
B. PS-Poll
C. Action
D. Authentication

Answer: B

Explanation:
Explanation
A PS-Poll (Power Save Poll) frame is not an 802.11 management frame. A PS-Poll frame is a type of control frame that is used by a STA in power save mode to request data frames from an AP. A STA in power save mode can conserve battery power by periodically sleeping and waking up. When a STA sleeps, it cannot receive any data frames from the AP, so it informs the AP of its power save status by setting a bit in its MAC header. The AP then buffers any data frames destined for the sleeping STA until it wakes up. When a STA wakes up, it sends a PS-Poll frame to the AP, indicating its association ID and requesting any buffered data frames. The AP thenresponds with one or more data frames, followed by an ACK or BA frame from the STA.
The other options are not correct, as they are types of 802.11 management frames. An Action frame is used to perform various management actions, such as spectrum management, QoS management, radio measurement, etc. A Beacon frame is used to advertise the presence and capabilities of an AP or BSS. An Authentication frame is used to establish or terminate an authentication relationship between a STA and an AP. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 6: 802.11 Frame Exchanges, page 169-170

NEW QUESTION # 145
What is encrypted within the fourth frame of the 4-Way Handshake?

A. PTK
B. GTK
C. GMK
D. PMK

Answer: B

Explanation:
The GTK (Group Temporal Key) is encrypted within the third message of the 4-Way Handshake.
The 4-Way Handshake is a process that establishes a secure connection between a STA (station) and an AP (access point) using WPA2 (Wi-Fi Protected Access 2), which is a security protocol that uses AES- CCMP (Advanced Encryption Standard-Counter Mode CBC-MAC Protocol) as its encryption algorithm. The 4-Way Handshake consists of four messages that are exchanged between the STA and the AP. The first message is sent by the AP to the STA, containing the ANonce (Authenticator Nonce), which is a random number generated by the AP.
The second message is sent by the STA to the AP, containing the SNonce (Supplicant Nonce), which is a random number generated by the STA, and the MIC (Message Integrity Code), which is a value that verifies the integrity of the message. The third message is sent by the AP to the STA, containing the GTK, which is a key that is used to encrypt and decrypt multicast and broadcast data frames, and the MIC. The GTK is encrypted with the KEK (Key Encryption Key), which is derived from the PTK (Pairwise Temporal Key). The PTK is a key that is used to encrypt and decrypt unicast data frames, and it is derived from the PMK (Pairwise Master Key), the ANonce, and the SNonce. The fourth message is sent by the STA to the AP, containing only the MIC, to confirm the completion of the 4-Way Handshake. The other options are not correct, as they are not encrypted within the third message of the 4-Way Handshake. The PMK is a key that is derived from a passphrase or obtained from an authentication server, and it is not transmitted in any message of the 4-Way Handshake. The PTK is a key that is derived from the PMK, the ANonce, and the SNonce, and it is not transmitted in any message of the 4-Way Handshake. The GMK (Group Master Key) is a key that is generated by the AP and used to derive the GTK, and it is not transmitted in any message of the 4-Way Handshake.

NEW QUESTION # 146
As it pertains to HT L-SIG TXOP Protection, what statement is true?

A. Support for L-SIG TXOP Protection is indicated in the HT Capabilities Info field of (re)association request frames sent by ERP, OFDM, and HT-OFDM stations.
B. An L-SIG TXOP protected frame exchange sequence always begins with an RTS/CTS or a CTS- to-Self.
C. Support for L-SIG TXOP Protection is indicated by HT stations in the L-SIG field of the PLCP header of HT-mixed format frames.
D. L-SIG TXOP Protection is specified for the purpose of protecting OFDM (802.11a/g) and HT- OFDM (802.11n) transmissions from HR/DSSS stations.

Answer: B

NEW QUESTION # 147
......

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HIGH PASS-RATE CWNP CWAP-404 VALID EXAM TOPICS OFFER YOU THE BEST RELIABLE EXAM ONLINE | CERTIFIED WIRELESS ANALYSIS PROFESSIONAL

High Pass-Rate CWNP CWAP-404 Valid Exam Topics Offer You The Best Reliable Exam Online | Certified Wireless Analysis Professional