Don Hart Don Hart's Profile Page

Don Hart Don Hart

0 Course Enrolled • 0 Course Completed

Biography

CWAP-404 Valid Exam Fee & CWAP-404 Latest Exam Tips

DOWNLOAD the newest Itcertking CWAP-404 PDF dumps from Cloud Storage for free: https://drive.google.com/open?id=1v81eQmyBJO-9YQlYh2jJGHOd6rNPy8bt

To keep with the fast-pace social life, we make commitment to all of our customers that we provide the fastest delivery services on our CWAP-404 study guide for your time consideration. As most of the people tend to use express delivery to save time, our CWAP-404 Preparation exam will be sent out within 5-10 minutes after purchasing. As long as you pay at our platform, we will deliver the relevant CWAP-404 exam materials to your mailbox within the given time.

CWNP CWAP-404 Exam Topics:

Section
Objectives

Protocol Analysis - 15%

Capture 802.11 frames using the appropriate methods
- Select capture devices

Laptop protocol analyzers
APs, controllers, and other management solutions
Specialty devices (hand-held analyzers and custom-built devices)

- Install monitor mode drivers
- Select capture location(s)
- Capture sufficient data for analysis
- Capture all channels or capture on a single channel as needed
- Capture roaming events

Understand and apply the common capture configuration parameters available in protocol analysis tools
- Save to disk
- Packet slicing
- Event triggers
- Buffer options
- Channels and channel widths
- Capture filters
- Channel scanning and dwell time

Analyze 802.11 frame captures to discover problems and find solutions
- Use appropriate display filters to view relevant frames and packets
- Use colorization to highlight important frames and packets
- Configure and display columns for analysis purposes
- View frame and packet decodes while understanding the information shown and applying it to the analysis process
- Use multiple adapters and channel aggregation to view captures from multiple channels
- Implement protocol analyzer decryption procedures
- View and use a capture’s statistical information for analysis
- Use expert mode for analysis
- View and understand peer maps as they relate to communications analysis

Utilize additional tools that capture 802.11 frames for analysis and troubleshooting
- WLAN scanners and discovery tools
- Protocol capture visualization and analysis tools
- Centralized monitoring, alerting, and forensic tools

Ensure appropriate troubleshooting methods are used with all analysis types
- Define the problem
- Determine the scale of the problem
- Identify probable causes
- Capture and analyze the data
- Observe the problem
- Choose appropriate remediation steps
- Document the problem and resolution

Spectrum Analysis - 10%

Capture RF spectrum data and understand the common views available in spectrum analyzers
- Install, configure, and use spectrum analysis software and hardware
- Capture RF spectrum data using handheld, laptop-based, and infrastructure spectrum capture solutions
- Understand and use spectrum analyzer views

Real-time FFT
Waterfall, swept spectrogram, density, and historic views
Utilization and duty cycle
Detected devices
WLAN integration views

Analyze spectrum captures to identify relevant RF information and issues
- RF noise floor in an environment
- Signal-to-Noise Ratio (SNR) for a given signal
- Sources of RF interference and their locations
- RF channel utilization
- Non-Wi-Fi transmitters and their impact on WLAN communications
- Overlapping and non-overlapping adjacent channel interference
- Poor performing or faulty radios

Analyze spectrum captures to identify various device signatures
- Identify various 802.11 PHYs

DSSS
OFDM
OFDMA
Channel widths
Primary channel

- Identify non-802.11 devices based on RF behaviors and signatures

Frequency hopping devices
IoT devices
Microwave ovens
Video devices
RF Jammers
Cordless phones

Use centralized spectrum analysis solutions
- AP-based spectrum analysis
- Sensor-based spectrum analysis

PHY Layers and Technologies - 10%

Understand and describe the functions of the PHY layer and the PHY protocol data units (PPDUs)
- DSSS (Direct Sequence Spread Spectrum)
- HR/DSSS (High Rate/Direct Sequence Spread Spectrum)
- OFDM (Orthogonal Frequency Division Multiplexing)
- ERP (Extended Rate PHY)
- HT (High Throughput)
- VHT (Very High Throughput)
- HE (High Efficiency)

HE SU PPDU
HE MU PPDU
HE ER SU PPDU
HE TB PPDU
HE NULL data packets

Apply the understanding of PHY technologies, including PHY headers, preambles, training fields, frame aggregation, and data rates, to captured data

Identify and use PHY information provided within pseudo-headers in protocol analyzers
- Pseudo-Header formats

Radiotap
Per Packet Information (PPI)

- Key pseudo-header content

Guard intervals
Resource units allocation
PPDU formats
Signal strength
Noise
Data rate and MCS index
Length information
Channel center frequency or received channel
Channel properties

Recognize the limits of protocol analyzers to capture PHY information including NULL data packets and PHY headers

Use appropriate capture devices based on proper understanding of PHY types
- Supported PHYs
- Supported spatial streams

MAC Sublayer and Functions - 25%

Understand frame encapsulation and frame aggregation
- Frame aggregation (A-MSDU and A-MPDU)

Identify and use MAC information in captured data for analysis
- Management, Control, and Data frames
- MAC frame formats and contents

Frame Control field
To DS and From DS fields
Address fields
Frame Check Sequence (FCS) field

- 802.11 Management frame formats

Information Elements
Authentication
Association and Reassociation
Beacon
Prove Request and Probe Response

- Data and QoS Data frame formats
- 802.11 Control frame formats

Acknowledgement (ACK)
Request to Send/Clear to Send (RTS/CTS)
Block Acknowledgement and related frames
Trigger frames
VHT/HE NDP announcements
Multiuser RTS

>> CWAP-404 Valid Exam Fee <<

CWAP-404 Latest Exam Tips | CWAP-404 Test Simulator

To cater to the different needs of different customers, our product for CWAP-404 exam have provide three different versions of practice materials. I f you are more like the paper version, then PDF version will be your choice, since this version can be printed. If you are more likely to use the computer, the Desktop version is your choice, this version can provide you the feeling of the Real CWAP-404 Exam.If you prefer to practice the materials on online, then online version is your choice, this version support all web browers, and you can practice it in your free time if you want. Just try it, there is always a version for you.

CWNP CWAP-404 Exam Certification Details:

Recommended Training
CWAP self-paced training kit, Training Class

Exam Name
Wireless Analysis Professional

Sample Questions
CWNP CWAP-404 Sample Questions

Number of Questions
60

Duration
90 minutes

Passing Score
70%

Exam Price
$275 USD

CWNP Certified Wireless Analysis Professional Sample Questions (Q137-Q142):

NEW QUESTION # 137
ABC Company requires the ability to identify and quickly locate rogue devices. ABC has chosen an overlay WIPS solution with Wi-Fi sensors that use dipole antennas to perform this task. No other sensors are included. Use your knowledge of location tracking techniques to answer the question.
Which one of the following location methods is not available in the described system?

A. Time Difference of Arrival (TDoA)
B. RF Fingerprinting
C. Trilateration of RSSI measurements
D. GPS Positioning

Answer: D

NEW QUESTION # 138
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. All frames within that block must be retransmitted by the originator.
C. The BlockAckReq must be retransmitted by the originator.
D. Nothing. No ACK is expected in response to a Basic BlockAckReq.

Answer: C

NEW QUESTION # 139
During an initial install of a controller-based WLAN, the APs are not locating the WLAN controller.
The controller is two router hops away from the nearest AP. DHCP is not used. When performing a packet trace, you see a DNS response code of 3 targeted at one of the APs.
What is the problem?

A. The authentication to the DNS server failed
B. The DNS server is not authoritative for the domain
C. The controller host record has not been created in the DNS server
D. The router is not forwarding packets to the DNS server

Answer: C

NEW QUESTION # 140
When using a commercial WLAN protocol analyzer, you notice that it is listing vendor names for some APs and client STAs.
What is the source of this information?

A. DNS name resolution
B. Vendor OUI values
C. Banner grabbing
D. Broadcast name resolution

Answer: B

NEW QUESTION # 141
What is the Extended IFS used in 802.11 contention?

A. When the lower data rates are used and you want the fastest medium access times
B. When a frame reception begins but the received frame is incomplete or corrupted based on the FCS
C. When the higher data rates are used and you want the fastest medium access times
D. When 802.11ac must coexist with 802.11n

Answer: D

NEW QUESTION # 142
......

CWAP-404 Latest Exam Tips: https://www.itcertking.com/CWAP-404_exam.html

BTW, DOWNLOAD part of Itcertking CWAP-404 dumps from Cloud Storage: https://drive.google.com/open?id=1v81eQmyBJO-9YQlYh2jJGHOd6rNPy8bt

Courses Designed To Make You Better

Don Hart Don Hart

Biography

Get Help

Programs

Contact us