Wireless questions on the CCNA cover 802.11 standards (ax/ac/n), WPA3, SSID/BSSID concepts, WLC architecture (FlexConnect, local switching), and client connectivity troubleshooting. These are mostly MCQ and multi-select.
Start Scenario PracticeDrag and drop the steps of WPA3 client authentication process into the correct order, from first to last.
Explanation: WPA3 uses Simultaneous Authentication of Equals (SAE) handshake. The client first sends an SAE commit to the AP, the AP responds with its own SAE commit, then both compute a shared key. Next, the client sends an SAE confirm message, and finally the AP sends its SAE confirm to complete authentication.
Examine the following configuration on a Cisco 9800 WLC: wireless profile policy test-policy no security wpa no security wpa2 security wpa3 security wpa3 akm sae security ft over-the-ds What is the effect of the 'security ft over-the-ds' command?
Explanation: The 'security ft over-the-ds' command enables 802.11r Fast Transition (FT) using the Distribution System (DS) for key exchange. In this mode, the client and target AP communicate via the current AP over the wired network (DS) rather than over the air, reducing over-the-air overhead and improving roaming efficiency. This is in contrast to 'over-the-air' mode, where the client directly exchanges FT authentication messages with the target AP wirelessly.
Drag and drop the steps of 802.11r Fast BSS Transition (FT) roaming steps into the correct order, from first to last.
Explanation: 802.11r FT roaming uses a fast handshake. The client sends an FT Authentication request to the new AP, which replies with an FT Authentication response. Then the client sends an FT Reassociation Request, the new AP confirms, and finally the client installs the PMK keys.
What is the maximum number of WLANs that can be configured on a single AP in a Cisco 9800 WLC deployment?
Explanation: In a Cisco 9800 WLC deployment, each AP supports up to 16 WLANs (SSIDs). This is a hard limit enforced by the controller, regardless of the AP model. The 9800 WLC maps WLANs to APs via policy profiles, and the AP can serve a maximum of 16 unique SSIDs simultaneously.
A network engineer runs the following command on a Cisco WLC: WLC# show wlan summary WLAN ID SSID Status Security Interface 1 Guest Enabled Open guest-vlan 2 Corporate Enabled WPA2 corp-vlan 3 IoT Disabled WPA2 iot-vlan 4 Management Enabled WPA2 mgmt-vlan Based on this output, what can be concluded?
Explanation: The 'show wlan summary' output clearly shows that WLAN 3 (IoT) has a Status of 'Disabled', meaning it is not operational and cannot serve clients. Only enabled WLANs can transmit beacons and accept client associations. Therefore, option B is correct because a disabled WLAN is effectively non-functional.
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Practice all Wireless LAN and WLC ScenariosWireless questions on the CCNA cover 802.11 standards (ax/ac/n), WPA3, SSID/BSSID concepts, WLC architecture (FlexConnect, local switching), and client connectivity troubleshooting. These are mostly MCQ and multi-select. These appear throughout the 350-401 and require you to apply your knowledge, not just recall facts.
Cisco doesn't publish an exact breakdown, but scenario-based questions (especially exhibit and command-output formats) make up a significant portion of the 350-401. Practicing each scenario type ensures you're ready for any format.
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