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Valid Test CWDP-304 Experience - New CWDP-304 Exam Cram

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CWNP CWDP-304 Exam Certification Details:

Exam Registration
PEARSON VUE

Sample Questions
CWNP CWDP-304 Sample Questions

Number of Questions
60

Exam Code
CWDP-304 CWDP

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 In-Depth Explanations of CWDP-304 exam success

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CWNP Certified Wireless Design Professional Sample Questions (Q210-Q215):

NEW QUESTION # 210
During a post-validation assessment, you have configured a client for 802.1X/EAP but it is not passing authentication. Which areas should you check in the WLAN configuration?
Response:

A. Whether the RADIUS server is online and configured for the matching port on the APs and WLAN controllers
B. Whether the authenticator is configured to support the EAP type(s) your client is configured for
C. Whether the client has a fully valid certificate
D. Whether the RADIUS shared secret is properly configured on the supplicant and authentication server

Answer: A

NEW QUESTION # 211
Why should band steering algorithms allow stations to connect to the 2.4 GHz band after some number of ignored Probe Requests?

A. Because the 802.11 standard requires it.
B. Because some clients are persistent clients that will not move on to the 5 GHz band.
C. Because the FCC requires it.
D. Because the AP will experience a buffer overflow if they do not eventually respond with a Probe Response.

Answer: B

NEW QUESTION # 212
You have been tasked with performing safety and operations training for outdoor bridge link installation. The antennas are to be installed on a 70-foot tower on one end and the roof top of an office building on the other end.
What might be required for the tower installation?
Response:

A. Special antennas that avoid reflections on the tower poles.
B. Special RF cables that will not create loss incurred by the metal tower construction.
C. Hiring a certified tower installer.
D. APs that are designed to operate above 70 feet.

Answer: A

NEW QUESTION # 213
Using a SCA means that all APs will be using the same channel in a given layer. How is the AP with which the client associates determined?
Response:

A. The client selects the AP based on a known set of MAC to BSSID mappings stored in the clients authorized SSID listing.
B. All APs share a virtual IP address. A controller will tell the closest AP to the client to communicate with it, since it has a greater RSSI from the client.
C. All APs share a virtual Multicast Address. A controller will tell the closest AP to the client to communicate with it, since it has a greater RSSI from the client.
D. All APs share a virtual BSSID. A controller will tell the closest AP to the client to communicate with it, since it has a greater RSSI from the client.

Answer: A

NEW QUESTION # 214
In your company's WLAN, you expect to have a mixed client PHY environment and plan to use protection mechanisms. The protection mechanism used by your client devices is configurable.
What is the best protection mechanism for backward compatibility of 802.11n devices with 802.11b devices?
Response:

A. WMM Protection
B. SMPS
C. Dual-CTS
D. RTS/CTS
E. CTS-to-Self

Answer: D

Explanation:
RTS/CTS is the best protection mechanism for backward compatibility of 802.11n devices with 802.11b devices because it prevents collisions and interference between different modulation types. 802.11n devices use OFDM, while 802.11b devices use DSSS. These two modulation types are not compatible with each other, but they can coexist in the same environment if they use protection mechanisms to avoid overlapping transmissions. RTS/CTS is a protection mechanism that requires a station to send a Request to Send (RTS) frame before transmitting data, and wait for a Clear to Send (CTS) frame from the receiver or the access point.
The RTS and CTS frames are sent at a clause 15 (DSSS) or clause 18 (HR/DSSS) rate, which can be understood by both 802.11n and 802.11b devices. The RTS and CTS frames also contain a duration field that indicates how long the data transmission will last. This way, other stations can defer their transmissions until the channel is clear. RTS/CTS reduces the chances of collisions and hidden node problems, and improves the performance and reliability of the wireless network. References: CWNP, CWDP Certified Wireless Design Professional Official Study Guide, How 802.11n backward compatibility works

NEW QUESTION # 215
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