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CWNP CWDP-305 Exam
Certified Wireless Design Professional (Page 12 )

Updated On: 12-Jan-2026
Page 12 of 70
PDF with 341 Questions

You are validating client association capabilities to an 802.1X/EAP secure SSID. The RADIUS server's IP address is 10.100.50.25, and the default RADIUS authentication port is being used. None of the clients can associate with the SSID. After verifying that both the server and the RADIUS service are operational, you find that the authenticator (such as the AP or controller) is not communicating properly with the RADIUS server.
What is your next troubleshooting step?

  1. Verify that the shared secret between the authenticator and the RADIUS server is the correct
  2. Reboot the clients to empty the shared secret cache
  3. Reboot the server to empty the shared secret cache
  4. Restart the RADIUS service to empty the shared secret cache

Answer(s): A



During lunch time in the break room of a company, Wi-Fi connectivity on the 2.4 GHz band becomes intermittent. At other times of the day, it works fine.
What is the most likely cause of this issue?

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

Answer(s): D



After deploying a 5 GHz-only WLAN infrastructure in the USA, using 20 MHz channel widths and all 25 available channels, a manager tests the Guest SSID on his 802.11n tablet. During testing, he experiences several areas with poor RSSI (below -80 dBm) or no signal at all. Upon checking, all APs are operational, and coverage was validated post-deployment.
What is the likely cause of this issue?

  1. His tablet doesn't support the 5 GHz band
  2. His tablet only supports a 40 MHz channel-width
  3. His tablet does not support one or more of the 5 GHz channels
  4. His tablet doesn't support MU-MIMO

Answer(s): C



After designing and deploying a WLAN infrastructure, you notice that co-channel interference (CCI) is causing poor performance in the 2.4 GHz band. Although the WLAN was primarily designed for 5 GHz, 2.4 GHz was included as a best-effort solution. You discover that the implementers did not follow your configuration guidelines.
What can you do to minimize the impact of CCI in the 2.4 GHz band without adding adjacent-channel interference (ACI)?

  1. Add more APs to the infrastructure
  2. Increase the transmit power on all APs
  3. Turn off 2.4 GHz radios on some APs
  4. Use all channels available in the 2.4 GHz band

Answer(s): C



You have performed a validation site survey after deploying a WLAN infrastructure in an All-Wireless- Office. One specific application is experiencing delays after transitioning from wired to wireless connectivity. During validation, you discover that all APs are using 80 MHz channel widths instead of the designed 20 MHz on the 5 GHz band.
What can be done to resolve the delay for this application?

  1. APs should be using 160 MHz channel-widths to get more throughput
  2. Reconfigure to use 20 MHz channel-widths, so reuse of the frequency is more effective
  3. Power-off half of the APs to reduce CCI and keep 80 MHz channel-widths
  4. Add more APs using 80 MHz channel-widths

Answer(s): B



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