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Quiz CWNP - CWAP-404 - Certified Wireless Analysis Professional–High Pass-Rate Exam Discount

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CWNP CWAP-404 Exam Certification Details:

Exam Name
Wireless Analysis Professional

Number of Questions
60

Exam Code
CWAP-404 CWAP

Passing Score
70%

Recommended Training
CWAP self-paced training kit, Training Class

>> CWAP-404 Exam Discount <<

CWAP-404 - Efficient Certified Wireless Analysis Professional Exam Discount

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CWNP Certified Wireless Analysis Professional Sample Questions (Q49-Q54):

NEW QUESTION # 49
What is the function of the PHY Preamble?

A. Allows the receiver to detect and synchronize with the signal
B. To terminate a conversation between transmitter and receiver
C. Carries the NDP used in Transmit Beamforming and MU-MIMO
D. To set the modulation method for the MPDU

Answer: A

Explanation:
Explanation
The function of the PHY preamble is to allow the receiver to detect and synchronize with the signal. The PHY preamble is a part of the PPDU that is transmitted before the PHY header and the PSDU. The PHY preamble consists of a series of training fields that help the receiver to adjust its parameters, such as frequency, timing, and gain, to match the incoming signal. The PHY preamble also helps the receiver to estimate the channel conditions and noise level. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 4:
802.11 Physical Layer, page 99-100

NEW QUESTION # 50
Recently, three rogue APs have been connected to the network and later discovered. You want to prevent future rogue AP installations as much as possible.
What is the first step to eliminating or reducing rogue APs on the network?

A. Use IPSec between every AP and the network infrastructure
B. Define a direct policy that stipulates the ramifications of installing unauthorized devices
C. Create a hash of the MAC addresses of all authorized devices and continually scan for non- matching hashes
D. Enable rogue detection in the existing authorized APs

Answer: D

NEW QUESTION # 51
When using Wireshark for protocol analysis, what filter will allow you to see only beacon frames?

A. wlan.fc.type_subtype = =0x05
B. wlan.fc.type_subtype = =0x04
C. wlan.fc.type_subtype = =0x0b
D. wlan.fc.type_subtype = =0x08

Answer: D

NEW QUESTION # 52
A manager at a retail outlet has complained that an incident occurred allowing a STA to launch an attack against another STA connected to their public Wi-Fi hotspot. He has asked you to troubleshoot the situation and verify that all possible measured are being taken to prevent this.
What configuration should you check in the AP?

A. Captive portal Internet gateway
B. DNS settings
C. Client-to-client direct communications
D. Inter-VAP filtering

Answer: C

Explanation:
Disabling client-to-client communication (also known as peer-to-peer or "AP isolation") prevents devices connected to the same wireless network from communicating directly with each other.
This helps mitigate attacks where one client station (STA) could attack another STA, such as through ARP spoofing or other local network-based attacks.

NEW QUESTION # 53
What is encrypted within the third message of the 4-Way Handshake?

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

Answer: A

Explanation:
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, asthey 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. References: [Wireless Analysis Professional Study Guide CWAP-404], Chapter 8: Security Analysis, page 211-213

NEW QUESTION # 54
......

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