Pass the CWNP CWDP Wi-Fi Design CWDP-305 Questions and answers with ExamsMirror

Starting with a Tx Power Level of "1" at 17 dBm, each increment halves the power:

Level 2: 17 dBm - 3 dB = 14 dBm

Level 3: 14 dBm - 3 dB = 11 dBm

Level 4: 11 dBm - 3 dB = 8 dBm

Converting 8 dBm to mW:

10^(8/10) ≈ 6.31 mW

The closest provided option is 6.25 mW.

In the 5 GHz band, the number of available non-overlapping 40 MHz channels without DFS (Dynamic Frequency Selection) varies by regulatory domain. Typically, the UNII-1 and UNII-3 bands are available without DFS requirements.

Each 40 MHz channel requires two adjacent 20 MHz channels. Considering the available spectrum and avoiding DFS channels, you can typically configure three non-overlapping 40 MHz channels.

Barcode scanners are typically used in retail, logistics, and warehouse environments to transmit small amounts of data (e.g., scanned UPC codes) to backend systems. Therefore, their throughput requirements are minimal.

From CWDP-305:

“Barcode scanners and similar IoT devices typically transmit small packets at low intervals and have very low throughput requirements. WLAN design for such devices should focus on coverage and roaming, not capacity.”

— Reference: CWDP-305 Official Study and Reference Guide, Chapter on Designing for Specific Applications

Comprehensive and Detailed Explanation:

Transitioning from a centralized to a distributed data forwarding model can introduce compatibility issues. Specifically:

C.Some APs designed for centralized architectures may lack the necessary hardware or firmware capabilities to support distributed forwarding features, such as local breakout or direct client-to-client communication, leading to potential limitations in functionality.

Once the WLAN is validated and operational, the next step is knowledge transfer. Support staff must be trained on monitoring, troubleshooting, and configuration, while end-users benefit from understanding basic usage and policies. Executives and guests are not directly involved in daily operations.

From CWDP-305:

“Training should be delivered to IT support staff responsible for WLAN operations, and optionally to end-users for user-side clarity. This ensures ongoing support, proper use, and reduced downtime.”

— Reference: CWDP-305 Official Study and Reference Guide, Chapter on Post-Design ValidationandTroubleshooting

In the context of High-Level Design (HLD) documents within wireless network design, the primary audiences typically include operations teams, designers, and engineering personnel. These stakeholders are directly involved in the planning, implementation, and maintenance of the network infrastructure.

Executives, while important decision-makers, are not the primary audience for HLDs. Instead, they are more likely to engage with executive summaries or business case documents that highlight the strategic and financial implications of the network design, rather than the technical specifics detailed in HLDs.

Before integrating an access point (AP) into a production environment, it's imperative to apply a baseline configuration. This configuration ensures that the AP adheres to the organization's security policies and network standards, mitigating potential vulnerabilities upon deployment. Implementing a baseline configuration aids in maintaining network integrity and simplifies future troubleshooting.

Wi-Fi 6E introduces access to the 6 GHz spectrum, which provides a significantly larger number of non-overlapping 20 MHz, 40 MHz, and even 80 MHz and 160 MHz channels than the 5 GHz band. This abundance of spectrum allows channel bonding (e.g., 40 MHz) with minimal adjacent channel interference (ACI).

From CWDP-305:

“The availability of contiguous spectrum in the 6 GHz band allows for wider channels, such as 40 MHz and 80 MHz, to be used more frequently without interference issues seen in the 5 GHz band.”

— Reference: CWDP-305 Official Study and Reference Guide, Chapter on Designing for Specific Applications

In stadium environments where aesthetics are important, using under-seat enclosures for APs is a common practice. These enclosures conceal the APs, protect them from physical damage, and maintain the manufacturer's warranty, as they do not require modifications like painting or unauthorized mounting methods.

The Physical Installation Guide is developed during the design phase and delivered to the installation team. It contains detailed AP locations (including mounting heights and orientations), cabling instructions, hardware installation standards, and any specific AP configuration notes needed during physical deployment.

From CWDP-305:

“A Physical Installation Guide provides specific instructions to installers, such as mounting height, orientation, and any environmental considerations. This ensures that APs are installed correctly and according to the design.”

— Reference: CWDP-305 Official Study and Reference Guide, Chapter on Wireless Design Process