CWNA-109 Exam Questions

What factor does not influence the distance at which an RF signal can be effectively received?

A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 9dBi gain, what is the EIRP at the antenna element...

In a long-distance RF link, what statement about Fade Margin is true?

What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?

Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?

What statement about the beamwidth of an RF antenna is true?

Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to- point WLAN bridge link?

What best describes WPA2 in relation to 802.11 wireless networks?

What is the final step in an effective troubleshooting process?

You are troubleshooting a problem with interference from a non-802.11 device. Given that the device is not a WLAN device, you cannot use a protocol analyzer and have chosen to use...

Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring...

You were previously onsite at XYZ's facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to pe...

You are troubleshooting a client problem with a 2.4 GHz WLAN connection. The client is experiencing surprisingly low data rates during the work day. You analyze the workspace outsi...

In addition to coverage analysis results, what should be included in a post-deployment site survey report to ensure WLAN users experience acceptable performance?

You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to 2.4 GHz APs, but is does not even see 5 GHz APs. While evaluating the issue, you deter...

A client complains of low data rates on his computer. When you evaluate the situation, you see that the signal strength is -84 dBm and the noise floor is -96 dBm. The client is an...

When a client station sends a broadcast probe request frame with a wildcard SSID, how do APs respond?

What security solution is deprecated in the 802.11 standard and should never be used in any modern WLAN deployment?

You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?

What statement about the IEEE 802.11-2016 QoS facility is true?

You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the li...

When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?

What 802.11 network configuration would result in multiple stations broadcasting Beacon frames with the same BSSID but with different source addresses?

What primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?