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CWNP CWDP-304 Exam Certification Details:

Exam Registration	PEARSON VUE
Exam Code	CWDP-304 CWDP
Exam Name	Wireless Design Professional
Exam Price	$275 USD
Passing Score	70%
Duration	90 minutes

CWNP CWDP-304 Exam Topics:

Section	Objectives
Define Specifications for the WLAN - 25%
Collect business requirements and constraints	- Business use cases and justification - User requirements - Regulatory compliance - Industry compliance - Budget - Aesthetics - Architectural constraints - Mounting restrictions - Access restrictions - Time constraints - Building codes and safety codes
Collect and define technical requirements	- Vendor selection - Location services such as RTLS - Latency requirements - Signal strength requirements - Capacity requirements - Security requirements BYOD and guest access Roaming Monitoring Authentication and encryption - Applications and their specific requirements - WLAN upgrade requirements, when applicable - Bridge link requirements, when applicable - Voice over WLAN (VoWLAN), when applicable - Client devices including most important and least capable device - Requirement areas
Collect project documentation	- Validated floor plans - Network infrastructure Network diagrams AP locations Existing network services including DNS, DHCP, NTP, and authentication servers Switch capabilities and capacity - Cabling infrastructure Cabling maps and plans Wiring closet locations - Power availability and PoE capabilities - Existing wireless systems - Previous design/survey documentation
Define requirement areas including essential metrics for each requirement	- Client device types and capabilities - Applications and their requirements - User and device density - SSIDs - Security settings - Understand common vertical markets
Gather information on environmental factors	- Building materials - Attenuation values - Ceiling heights - Site annotations (photos, notes, plans) - Wireless environment scan Packet captures Spectrum captures Wi-Fi scanners
Design the WLAN - 40%
Define WLAN architectures and select the appropriate architecture for a design	- Controller-based (physical and virtual) architectures - Distributed (cloud-based and local WNMS) - Standalone/Autonomous APs - Dynamic vs. static channel assignment - Dynamic radio management - Software defined radios - RF profiles - Select and/or recommend the appropriate equipment for the design and selected architecture (APs, antennas, controllers, managed services)
Produce a design to meet requirements	- Select and use the appropriate design tools Design and survey software and hardware Spectrum analysis software and hardware Access points and antennas Portable power source Tripods Measuring tools Cameras Personal Protective Equipment (PPE) - Select and use the appropriate design methodologies WLAN predictive design (new builds/site or area not accessible) Validated RF modeling AP-on-a-Stick (APoS) measurements Bridge and mesh planning - Understand and use the common features of wireless design software Import and scale floor plans Model attenuation of the site (including calibration) Select and place APs and antennas Adjust AP and antenna settings Define requirement areas and parameters Define channel and power settings - Select and use common vendor features and make configuration recommendations Band steering Automatic/static channel selection Load balancing RF/AP templates - Design for different client and application types VoIP handsets Laptops Handheld scanners Smartphones and tablets IoT and smart devices Location tracking systems Voice and video systems - Ensure end-to-end QoS is properly implemented WMM Wired and wireless QoS mappings QoS markings, classifications, and queues - Define and recommend security solutions Monitoring (detection and prevention) Authentication servers EAP methods Authentication types Encryption types - Design for secure roaming Secure BSS transition (roaming) Vendor roaming solutions Client support issues
Create, distributed, and communicate design documentation	- Bill of Materials (BoM) - Design reports - Physical installation guide
Deploy the WLAN - 10%
Ensure proper understanding and implementation of the design	- Implementation meeting Explain design decisions to implementers Ensure understanding of design deployment - Distribute required documentation
Recommend or perform essential deployment tasks	- Understand and perform installation procedures for different WLAN architectures (cloud-based, controller-based, WNMS, autonomous) - Infrastructure configuration supporting the WLAN (DHCP, DNS, NTP, switches, and routers) - Channel assignment, automatic radio management, and transmit power configuration - Installation procedures for cloud-based APs, controller-based APs, WNMS APs, and autonomous APs
Perform an installation audit for quality assurance	- Verify proper AP and antenna location and orientation - Verify aesthetic requirements are met - Verify physical security of the installation
Validate and Optimize the WLAN - 25%
Confirm the WLAN system is operational	- AP Status - Verify PoE provisioning of power requirements are met
Perform an RF validation survey	- Ensure coverage requirements - Evaluate impacts of contention and interference
Perform client performance testing	- Connectivity testing - Application testing - Roaming testing - Capacity testing - Security testing
Recommend appropriate physical adjustments	- AP - Antenna and connectors

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CWNP Certified Wireless Design Professional Sample Questions (Q157-Q162):

NEW QUESTION # 157
After deploying a 5 GHz-only WLAN infrastructure in the USA, using 20 MHz channel-widths and all 25 available channels, one of the managers of the company brings his 802.11n tablet to the office to test the Guest SSID. While testing, there were several spots where we would get poor RSSI (below -80dBM) or none at all. You checked the WLAN infrastructure and all APs are up and running and you've validated coverage after deployment. What is causing this issue?

A. His tablet does not support one or more of the 5 GHz channels
B. His tablet doesn't support the 5 GHz band
C. His tablet only supports a 40 MHz channel-width
D. His tablet doesn't support MU-MIMO

Answer: D

NEW QUESTION # 158
What is the purpose of defining wall materials in WLAN design software?

A. To ensure the attenuation and reflection of the materials die considered during propagation modeling
B. It adds color to the floor plan which makes it easier to identify requirement areas
C. So that the floor plan looks as much like the target deployment space as possible
D. Manager require it, so WLAN designers should do it.

Answer: A

NEW QUESTION # 159
When using a predictive design tool, you have selected APs with an antenna gain 3 dBi and set the transmit power of the predicted APs to 25 mW. What should be EIRP of the APs in the design?
Response:

A. 125 mW
B. 17 dBm
C. 6.25 mW
D. 11 dBm

Answer: B

NEW QUESTION # 160
If the amplifier in Question 4 has a noise figure of 10 dB but a gain of 0 dB, what is the total noise figure of the cable, amplifier, and filter in series?
Response:

A. 10 dB
B. 75 dB
C. 70 dB
D. 16 dB

Answer: B

NEW QUESTION # 161
Given: You are evaluating the theoretical and real-world RF gain benefits of transmit and receive features introduced by 802.11 with MIMO. This exercise allows you to quantify the features value in a real-world environment.
What is the maximum theoretical signal gain of chip-based TxBF and MRC (as features) when compared to the same AP using only a single antenna for transmit and receive (effectively simulating a 1x1 chip)?

A. 2 Rx or Tx chains = approx 4-6.5 dBi gain 3 Rx or Tx chains = approx 7-10 dBi gain
B. 2 Rx or Tx chains = 1 dBi gain 3 Rx or Tx chains = 2 dBi gain 4 Rx or Tx chains = 3 dBi gain
C. 2 Rx or Tx chains = 3 dBi gain 3 Rx or Tx chains = approx 5 dBi gain 4 Rx or Tx chains = 6 dBi gain
D. 2 Rx or Tx chains = 3 dBi gain 3 Rx or Tx chains = 6 dBi gain 4 Rx or Tx chains = 9 dBi gain

Answer: A

Explanation:
The maximum theoretical signal gain of chip-based TxBF and MRC depends on the number of antennas and the channel conditions. TxBF (transmit beamforming) is a technique that focuses the transmitted signal in the direction of the intended receiver, resulting in higher signal strength and less interference. MRC (maximum ratio combining) is a technique that combines the signals received by multiple antennas in an optimal way, resulting in higher signal-to-noise ratio and better performance. The theoretical gain of TxBF and MRC can be calculated as GTxBF=10log10(N) and GMRC=10log10(N) where N is the number of antennas. Therefore, the total gain of TxBF and MRC is Gtotal=GTxBF+GMRC=20log10(N) However, this is the ideal case and assumes perfect channel conditions and alignment. In reality, the gain is lower due to factors such as channel fading, antenna spacing, and feedback delay.According to the CWDP study guide1, the typical gain of TxBF and MRC is about 4-6.5 dBi for 2 antennas, 7-10 dBi for 3 antennas, and 10-13 dBi for 4 antennas.Therefore, the answer is D.References:1: CWDP Certified Wireless Design Professional Official Study Guide: Exam PW0-250, Chapter 8, page 267.

NEW QUESTION # 162
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VALID CWNP CWDP-304 DUMPS DEMO & CWDP-304 EXAM SIMULATOR FREE

Valid CWNP CWDP-304 Dumps Demo & CWDP-304 Exam Simulator Free