300-430 Cisco Implementing Cisco Enterprise Wireless Networks (300-430 ENWLSI) Free Practice Exam Questions (2025 Updated)

The Cisco Aironet 1800s Active Sensor is designed to work with Cisco DNA Center. It is a compact, flexible sensor that provides insights into the wireless network’s health and is used for proactive monitoring and troubleshooting. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, which includes information on Cisco DNA Center and compatible AP models.

For central web authentication with Cisco ISE in a Cisco AireOS WLC environment using auto-anchor for the guest network, the foreign WLC must have UDP ports 1812 and 1813 open to ISE for RADIUS authentication and accounting. Additionally, a downloadable preauth ACL on ISE is required to define the permissions for the guest user before authentication, and a local preauth ACL on the WLC is needed to restrict or allow traffic prior to authentication. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, particularly the chapters on WLC configuration for guest access and integration with Cisco ISE for security and access control.

 In a Cisco WLAN deployment where it is required that all APs from branch1 remain operational even if the control plane CAPWAP tunnel is down, the operational mode that must be configured on the APs is standalone (option B). In standalone mode, the APs can continue to function and provide network access to clients even without a connection to the WLC, which is essential during a WAN failure to headquarters. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, with a focus on AP operational modes and their behavior during network disruptions.

The image provided shows a packet capture with multiple entries displaying UDP traffic between two IP addresses using different ports (notably port number ‘16666’ which is commonly used for NMSP). Network Mobility Services Protocol (NMSP) is used by wireless controllers like WLCs to communicate with management software such as Cisco’s Mobility Services Engine or CMX. This protocol helps in managing various mobility services across wireless networks. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

The issue described indicates a problem with the 802.1X authentication policy on the authenticator, which is typically the wireless controller or access point. Even though the CA certificate is correctly installed on the laptop, if the authenticator’s policy is incorrectly configured or does not match the required settings for the corporate network, the user’s authentication attempts will fail. It is essential to review and correct the 802.1X policy settings on the authenticator to resolve this issue. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

The Simple Certificate Enrollment Protocol (SCEP) is used to securely issue certificates to network devices in a scalable manner. When provisioning certificates on a Cisco Catalyst 9800 Series Wireless Controller using a third-party CA server, SCEP is the protocol that facilitates this process. It allows the controller to request and install certificates automatically, which is essential for establishing secure communications within the network. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

 When a Cisco Wireless LAN Controller (WLC) is added to Cisco ISE as a network device for authentication purposes, it is crucial to verify the shared secret configured within the network device settings. The shared secret is used to secure communication between the WLC and ISE, ensuring that the authentication messages are encrypted and authenticated. If the shared secret does not match on both the WLC and ISE, the authentication will fail. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

Enabling unicast AP multicast mode can correct the issue of increased controller CPU overhead and overall network utilization after multicast is enabled. This mode allows the controller to send multicast traffic to the APs as unicast, which is more efficient for the wireless medium and reduces the load on the controller’s CPU.

References := ( CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide )

 To connect a Workgroup Bridge (WGB) to a wireless network and authenticate its certificate against a RADIUS server like ISE, the following steps are necessary:

A. Configure the certificate, WLAN, and radio interface on WGB: This is essential because the WGB needs to have the correct certificate to present to the RADIUS server for authentication. Additionally, the WLAN and radio interface must be configured to ensure proper communication with the wireless network.

E. Configure WGB as a network device in ISE: By configuring the WGB as a network device within ISE, it becomes a recognized entity that can be authenticated and authorized accordingly.

F. Configure a policy on ISE to allow devices to connect that validate the certificate: This step ensures that only devices with a validated certificate, such as the WGB, can connect to the network, enhancing security.

 Bluetooth Low Energy (BLE) is renowned for its ability to provide precise location services, especially in the context of indoor positioning systems. BLE beacons can be strategically placed throughout a facility, and when used in conjunction with a mobile application, they can deliver the high level of location accuracy required for various use cases, including navigation, asset tracking, and contextual marketing.

In a dual SSID design for BYOD, one SSID is used for provisioning devices, and the other is for network access. It’s important not to enforce an ACL to switch SSIDs after provisioning because this could disrupt the user experience. Instead, the process should be seamless, with the device automatically connecting to the access SSID after provisioning is complete. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

To ensure end-to-end QoS and preserve markings correctly in the VoWLAN setup, the configurations needed on the wired network are trust boundaries and policy maps. Trust boundaries define where the network trusts the QoS markings on packets, and policy maps are used to enforce QoS policies on the network. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

The Cisco OfficeExtend Access Point (OEAP) feature is enabled on a Cisco Catalyst 9800 Series Wireless Controller through the Flex Profile. The Flex Profile allows for the configuration of various settings specific to FlexConnect deployments, including OEAP settings, which enable remote workers to connect to the corporate network securely.

References :=

CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

Cisco documentation on Catalyst 9800 Series Wireless Controllers

The maximum time range that can be viewed on the Cisco DNA Center issues and alarms page is 24 hours. This allows network administrators to monitor and troubleshoot recent issues and alarms within a one-day period. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

The feature that must be enabled to ignore non-802.11 interference is “Avoid Persistent Non-WiFi Interference.” This setting allows the Radio Resource Management (RRM) to not react to non-802.11 noise and interference, which can be crucial in environments where such interference is common but does not significantly impact wireless performance. By enabling this feature, RRM will not change the channel in response to non-IEEE 802.11 interferers, thus maintaining a stable channel plan. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

 The Cisco Mobility Services Engine (MSE) integrates with Cisco DNA Center to provide advanced location services, including the tracking of clients experiencing connectivity issues. This integration allows network administrators to visualize and troubleshoot client locations effectively. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, which details the integration of location services within Cisco DNA Center.

The wireless client cannot reach the RUN state because it is not receiving an IP address. This is a crucial step in the connection process, as a valid IP address is necessary for the client to communicate on the network. Without it, the client cannot achieve the RUN state, which indicates full authentication and association.

The Network Mobility Services Protocol (NMSP) is the protocol used by Cisco Mobility Services Engine (MSE) to communicate with Cisco Wireless LAN Controllers (WLCs). For NMSP messages to successfully pass through a firewall, the correct port must be allowed. The default port for NMSP traffic is TCP 16113. Therefore, to ensure communication between MSE and WLC using NMSP, TCP port 16113 must be allowed on the firewall. References := ( CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide )

 When configuring Cisco OfficeExtend Access Points (OEAPs), enabling NAT IP only for office-extend is necessary if the APs are behind a NAT device and need to communicate with the Wireless LAN Controller (WLC) using the internal IP management address. The command config flexconnect office-extend nat-ip-only enable allows the APs to discover and associate with the WLC when the management interface is configured with a NAT address.