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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

Recommend appropriate RF adjustments
- RF channel assignment
- RF channel bandwidth
- RF coverage (transmit power, radio count, antennas)
- RF interference issues

Recommend remediation for application issues
- Connectivity issues
- Application issues
- Roaming issues
- Capacity issues
- Security issues

CWNP CWDP-304 Exam Certification Details:

Passing Score
70%

Exam Name
Wireless Design Professional

Duration
90 minutes

Sample Questions
CWNP CWDP-304 Sample Questions

Exam Registration
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CWNP Certified Wireless Design Professional Sample Questions (Q22-Q27):

NEW QUESTION # 22
During lunch time in the break room of a company, Wi-Fi connectivity on the 2.4 GHz band is intermittent.
Every other time of the day, it works fine. What's the likely cause of this issue?
Response:

A. The AP in the cafeteria keeps rebooting due to lack of PoE budget on the switch
B. Microwaves in the cafeteria are interfering with the Wi-Fi on the 2.4 GHz band
C. Toasters and ovens are heating up the air, raising the noise floor with the Wi-Fi on the 2.4 Ghz band
D. Employees are using their cell data instead of using the Wi-Fi

Answer: B

NEW QUESTION # 23
Of the following antenna connector types, which one is the smallest?

A. MC Connector
B. Male N Connector
C. N Connector
D. RP-TNC

Answer: D

NEW QUESTION # 24
An amplifier has a 1 dB compression point of 32 dBm and a gain of 20 dB. Which is the highest average input power shown here that would be safe to operate a 24 Mbps 802.11g signal so that spectral regrowth is not a problem?
Response:

A. 5 dBm
B. 0 dBm
C. 10 dBm
D. 5 dBm

Answer: B

NEW QUESTION # 25
During a post-validation survey, you find an area lacking any detectable Wi-Fi signal at all It is located behind an elevator shaft What is a common solution to this problem?

A. Install antennas with at least 3 more dB of gain on the two APs closest to that area
B. Replace all the clients in that area with clients having better receive sensitivity
C. Turn up the power on the three APs closes! to that area
D. Move one or more APs so that indoor propagation results in coverage in that area or install another AP on that side of the elevator shaft

Answer: D

NEW QUESTION # 26
What kind of site survey helps you identify if roaming is working as designed?

A. Spectrum analysis walkthrough
B. Active
C. Passive
D. Predictive

Answer: B

NEW QUESTION # 27
......

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