CWNP Updated CWDP-305 Exam Questions and Answers by esmee

Signal-to-Noise Ratio (SNR) is a critical metric in VoWLAN deployments, as voice applications are sensitive to latency and require clear signal quality. SNR is calculated by subtracting the noise floor from the received signal strength indicator (RSSI).

Given:

Required SNR: 25 dB

Noise floor: -88 dBm

To achieve the required SNR:

RSSI = Noise Floor + SNR

RSSI = -88 dBm + 25 dB = -63 dBm

The CWDP-305 Official Study and Reference Guide emphasizes the importance of maintaining adequate SNR for voice applications:

"Voice over WLAN requires a minimum SNR to ensure call quality and reliability. Designing for appropriate RSSI levels relative to the noise floor is essential."

Therefore, to meet the system's requirements, the minimum RSSI should be -63 dBm.

The Bill of Materials (BoM) is a comprehensive list that details all the components, devices, and parts required for the deployment of a WLAN infrastructure.It serves as a critical document for procurement and ensures that all necessary items are accounted for before the deployment begins.

The CWDP-305 Official Study and Reference Guide emphasizes the importance of the BoM in the design and deployment process:

"Create, distribute, and communicate design documentation - Bill of Materials (BoM)"NWExam

802.1X/EAP preauthentication allows a client to authenticate with a new AP before roaming, reducing handoff latency. However, preauthentication typically requires that the new AP is within the same Layer 2 domain as the current AP. If the new BSS operates on a different IP subnet (Layer 3 domain), the STA may not attempt preauthentication due to the inability to establish a direct Layer 2 connection for the EAP exchange.

Comprehensive and Detailed Explanation:

In WLAN architecture, theManagement Planeis responsible for overseeing and configuring the network's operational aspects, including automated RF management tasks such as:

Dynamic Channel Assignment

Transmit Power Control

Load Balancing

Coverage Hole Detection and Correction

These functions ensure optimal performance and reliability of the wireless network by adapting to changing RF conditions.