300-430 Sample Questions Answers

To take full advantage of the WLAN configuration, VoWLAN phones must support 802.11e, which is a standard for wireless QoS, and Wi-Fi Multimedia (WMM), which is a subset of 802.11e that provides prioritized media delivery. These standards ensure that voice traffic is prioritized appropriately in the wireless network. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

 A successful RF jamming attack primarily disrupts WLAN services by overwhelming the network with noise or unwanted signals, making it impossible for legitimate devices to communicate effectively. While physical damage to AP hardware is not a direct outcome of RF jamming, the persistent interference can lead to hardware malfunction due to overheating or overcompensation for the poor signal environment. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

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Fastlane is a feature developed by Apple and Cisco that provides a higher-quality user experience for critical business applications. To implement Fastlane, the WLAN must use the Platinum QoS profile, which is designed to prioritize business-critical traffic and applications. Since the IT department has updated the iPads to a specific version, it is important to ensure that the QoS settings align with the requirements of Fastlane to maintain application performance and security.

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

The Cisco Aironet 600 Series OfficeExtend APs support various Layer 2 security options, including WPA+WPA2 and 802.1X. WPA and WPA2 provide secure encryption for wireless data, while 802.1X offers a robust authentication framework. These security options ensure that the wireless network is protected against unauthorized access and data breaches, which is crucial for remote workers connecting to the corporate network. References := CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

For a network with 3000 APs and 7000 IPS licenses, scaling to a high-end server is appropriate. This will provide the necessary resources and capabilities to support the large number of APs and the extensive licensing requirements for the Intrusion Prevention System.

To ensure that only PEAP authentication is used for network access through a wireless network using WPA2 Enterprise with 802.1X, enabling AAA override on an SSID allows individual client authentication requests to be modified by RADIUS server responses dynamically. By configuring an access policy in Cisco Identity Services Engine (ISE) that permits access solely when PEAP is used as the EAP authentication method, any user attempting to authenticate using EAP-FAST will be denied network access until their devices are configured correctly for PEAP usage. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 To provide guests access using social media authentication, the engineer must configure the “Social Connect” service. This service allows guests to use their Facebook credentials, among other social media platforms, to authenticate and gain network access. It simplifies the guest access process by leveraging existing social media accounts for authentication. 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)

To segregate all iPads on the guest WLAN to a separate VLAN without using Cisco ISE, the engineer can create a local policy on the WLC (option A). This local policy can be configured to identify iPad devices and assign them to a specific VLAN based on their device profile or other identifying characteristics. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, especially the sections that cover local policies and device profiling on the WLC.

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 )

In a multitenant building, competing wireless APs are initially classified as ‘unclassified’ in the WLC. This classification means that the APs are not recognized as part of the network’s infrastructure. Over time, administrators can classify these APs as ‘friendly’, ‘malicious’, or maintain them as ‘unclassified’ based on their potential impact on the network. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

The Platinum QoS marking is typically used for the highest-priority traffic, such as voice and video. Given the requirement for a high average bitrate for the video application, Platinum would be the appropriate QoS marking to ensure the necessary bandwidth and priority on the WLAN. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

In Cisco Prime Infrastructure, the report that must be created to present a list of all rogue APs with a high severity score to senior management is the “Rogue APs” report. This report provides detailed information about rogue access points detected in the network, including their severity score, which helps in assessing the potential risk they pose to the network security. 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

 Cisco AVC (Application Visibility and Control) on a Cisco Wireless LAN Controller (WLC) is used to prioritize traffic by marking the packets. For Cisco IP cameras that use the wireless network, the AVC rule would be configured to mark the packets with a specific QoS value, ensuring that the video traffic is treated with higher priority as it traverses the network. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

To meet the requirement of allowing employees to easily onboard their personal devices and visitors to connect without reception desk intervention, configuring a self-registration guest portal on Cisco ISE is the appropriate solution. This feature enables guests to create their own accounts and gain network access, streamlining the process for both employees’ personal devices and visitors. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 For an enterprise wireless network with distributed offices globally and APs configured in FlexConnect mode, enabling FlexConnect local authentication is essential to support 802.11r and CCKM. This configuration allows for fast roaming and maintains a secure connection by locally authenticating the clients without having to go back to the central site, thus providing a seamless and efficient roaming experience for the users.

To collect user demographic information in exchange for guest WLAN access and to have a customized portal per location, the marketing department should tie the Facebook social connector into Cisco CMX. Facebook is widely used for social login features and provides access to demographic data when users consent, making it the ideal choice for this requirement. References: The use of social connectors for demographic data collection is discussed in the context of advanced location services in the official certification guide.

 For a startup company without LDAP, using the internal database of the RADIUS server is a viable solution to authenticate wireless users. This approach allows the company to maintain a directory of users within the RADIUS server itself, providing similar security and user experience as LDAP would. Users can be authenticated against this internal database, ensuring secure access to the wireless network. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 IGMP snooping is a feature that allows a network switch to listen to the Internet Group Management Protocol (IGMP) network traffic. This feature enables the switch to identify the multicast streams to which hosts are interested and to forward multicast traffic intelligently. By enabling IGMP snooping on the Wireless LAN Controller (WLC), it ensures that multicast streams are only forwarded to the access points (APs) where clients are subscribed to them. Setting the AP multicast mode to a specific multicast address, such as 238.255.255.255, allows the WLC to send multicast traffic to APs using this address, which helps in efficient distribution of the multicast stream.

Before running a Client Traffic Stream Metrics report in Cisco Prime Infrastructure, the task that must be run is “client status”. This task collects the necessary data regarding the clients’ traffic streams, which is then used to generate the report. References := Cisco Prime Infrastructure Reports User Guide

To integrate the Mobility Services Engine (MSE) with Cisco Prime Infrastructure for tracking the location of clients and rogues on maps, it is essential to add the MSE to Cisco Prime Infrastructure using the communication credentials specific to Cisco Prime Infrastructure. This ensures that both systems can communicate effectively. Additionally, a valid license for location tracking must be applied to enable the MSE’s location services capabilities. Without this license, the MSE would not be able to provide client and rogue location tracking functionalities. References := ( CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide )

When upgrading a Cisco AireOS WLC from version 7.3 to 8.9, it’s crucial to configure ACLs that allow necessary traffic for Cisco Central Web Authentication (CWA). The correct ACLs to configure are:

B. Permit 0.0.0.0 0.0.0.0 UDP DNS any: This ACL allows DNS queries from any source to any destination, which is essential for resolving domain names during the upgrade process.

E. Permit 0.0.0.0 0.0.0.0 UDP any any: This ACL permits all UDP traffic from any source to any destination, ensuring that services relying on UDP can continue to function during the upgrade.

These ACLs ensure that critical services like DNS resolution are not interrupted during the upgrade process, which could otherwise lead to system instability or failure to access network resources. References := ( CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide )

The Media Stream feature on a Cisco WLC allows for the prioritization of streaming media. To guarantee at least 2 Mbps stream per user, the ‘coarse’ Resource Reservation Control (RRC) template should be used, as it provides the necessary bandwidth allocation for each user’s media stream. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

Disabling DHCP proxy on the Cisco WLC and running the ip helper-address command under the VLAN interface to point to DHCP and the two ISE servers is the recommended action. This allows direct communication between clients and DHCP/ISE servers, which is necessary for accurate device profiling.

CMX Facebook Wi-Fi is designed to provide limited access to the network before a user completes authentication. This feature allows HTTP traffic only before authentication while blocking all other traffic, which corresponds with option A. Additionally, it intercepts HTTP traffic to redirect the user to the authentication page, which aligns with option D. The purpose of these restrictions is to ensure that users can be directed to log in via Facebook for Wi-Fi access without compromising network security by allowing unchecked access. 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)

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)

A rogue AP with open authentication poses a high security risk as it does not require a password, making it easy for unauthorized users to connect. If the rogue AP accepts clients, it can potentially capture sensitive data from those clients. A foreign SSID indicates that the AP is not part of the managed network and could be maliciously installed to lure unsuspecting users. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, focusing on security risks associated with rogue APs.

 To prevent honeypot attacks most efficiently, the wireless network engineer should set the auto containment level to 4 and select the Using Our SSID containment option (D). This configuration allows the system to automatically contain rogue APs that are spoofing the organization’s SSID, which is a common tactic in honeypot attacks. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

TACACS+ (Terminal Access Controller Access-Control System Plus) is recommended for managing device access as it provides a more granular level of control over user authentication and authorization than RADIUS. It allows for different levels of access based on user identity by interfacing with external repositories such as Active Directory or LDAP. This protocol helps in distinguishing between different users and assigning appropriate access rights based on their roles within an organization. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

The issue is likely caused by the CPU ACL on the controller, which is blocking HTTP/HTTPS traffic from the guest clients. When a WLAN with Web Authentication is used, the wireless client’s browser is redirected to a web page for authentication. If the CPU ACL is configured to only allow controller web management traffic from the IT subnet, it may inadvertently block the necessary HTTP/HTTPS traffic for the Web Authentication process, leading to a timeout on the wireless client browser. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, specifically the sections discussing CPU ACLs and their impact on network traffic.

The command in question is typically used to configure the switch to interact with a RADIUS server for session tracking purposes. The RADIUS server keeps track of authenticated sessions, ensuring that they are still active and monitoring for any changes in status. This is crucial for maintaining network security and ensuring that only authorized users have access to network resources.

The primary change to the network when adding APs for location-based services, such as VolMLAN, would be the AP footprint. This refers to the physical coverage area of the access points. Increasing the AP footprint enhances the ability to perform location-based services by improving the accuracy of triangulation and location tracking of devices. This is because a denser AP footprint allows for more precise determination of a device’s location within the network. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, specifically the sections discussing location-based services and AP deployment strategies for optimal coverage and location tracking.

 To control administrative access to the WLC using Active Directory without concern for RBAC post-authentication, the engineer would configure a RADIUS server (option D) and a TACACS server (option E). These servers can integrate with Active Directory to authenticate users, and once authenticated, the admin user’s access level can be determined without the need for additional role-based access control configurations within the WLC. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, focusing on the integration of WLC with RADIUS and TACACS servers for administrative access control.

When FlexConnect APs are in standalone mode due to losing connection to the WLC, they should still be able to serve clients if local switching and authentication are enabled. The issue described occurs because FlexConnect Local Authentication is disabled. With local auth enabled, the AP can authenticate clients directly, without needing to communicate with the WLC, thus allowing the SSID to remain advertised and clients to stay connected even if the WLC is unreachable. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 A single SSID method satisfies the requirements for a BYOD policy that includes onboarding unknown machines, scalability, and low overhead on the wireless network. It simplifies network access for users and reduces overhead by minimizing broadcast traffic associated with multiple SSIDs.

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.

Application Visibility and Control (AVC) profiles must be implemented to remark the QoS value for WebEx traffic. AVC profiles allow the network to identify different applications and provide the appropriate QoS treatment, ensuring high-quality meetings. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

To ensure that all Android devices are placed into a separate VLAN on their wireless network without deploying ISE, the feature that must be implemented on the Cisco WLC is “WLAN local policy”. This feature allows the network administrator to create policies that can classify and segregate devices based on their operating system, in this case, Android devices, into a designated VLAN. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

To change the NTP server on the Cisco CMX server, the administrator should log in to the Cisco CMX CLI and issue the command set ntp server NTP_IP, where NTP_IP is the IP address of the new NTP server. This method is straightforward and does not require manual editing of configuration files or restarting the entire server. References: The process for changing the NTP server on a Cisco CMX server is detailed in the official certification guide, which provides step-by-step instructions for using the CLI.

VLAN-based central switching is the feature that meets the requirements stated. With this feature, when a subnet assigned to a client is available at the remote site, the traffic is offloaded locally. If the subnet is not available, the traffic is tunneled back to the Wireless LAN Controller (WLC). This setup allows for dynamic assignment of clients to specific IP subnets using Cisco Identity-Based Networking Services with ISE. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

TACACS+ (Terminal Access Controller Access-Control System Plus) is recommended for managing device access as it provides a more granular level of control over user authentication and authorization than RADIUS. It allows for different levels of access based on user identity by interfacing with external repositories such as Active Directory or LDAP. This protocol helps in distinguishing between different users and assigning appropriate access rights based on their roles within an organization. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

Apple’s Fastlane technology is used to prioritize traffic from iOS devices on the network. By enabling Fastlane under each WLAN setting, the network can recognize and prioritize traffic from Apple iOS devices, addressing the QoS issues for these devices on the WLANs. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

When setting up a new Network Access Device (NAD) on Cisco ISE, it is essential to configure the device’s IP address and the RADIUS shared secret. The device IP address is used to identify the NAD within the network, and the RADIUS shared secret is a password used between the ISE and the NAD to ensure secure communication.

For new Access Points (APs) in a Cisco FlexConnect deployment, switch ports should be configured in trunk mode. This allows the APs to handle traffic for multiple WLANs or SSIDs, each associated with different VLANs. Trunk mode enables the AP to tag traffic with the correct VLAN IDs as per its configuration. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

When configuring an Access Control List (ACL) to restrict traffic to the Wireless LAN Controller (WLC) CPU, the direction of the traffic is crucial. Since the ACL is meant to control traffic that is destined for the WLC CPU, it should be set as “Inbound”. This means that any rules applied within this ACL will affect incoming traffic towards the WLC, which is necessary when aiming to restrict certain types of traffic from reaching and potentially overwhelming the controller’s processing capabilities. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

The issue described in the scenario occurs because when creating an Access Control List (ACL) to be used for managing traffic to the Wireless LAN Controller’s (WLC) CPU, it must be explicitly defined as a CPU ACL. If this specification is not made during the creation process, the ACL will not appear in the drop-down list when enabling the CPU ACL function. This is necessary because CPU ACLs are used to protect the WLC against potential Denial-of-Service (DoS) attacks by filtering incoming packets directed at the management interface before they are processed by the CPU. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

On the Global Configuration page of a Wireless LAN Controller (WLC), for an Access Point (AP) to use IEEE 802.1X for authenticating to the wired infrastructure, it is necessary to configure a RADIUS shared secret. This secret will be used by the AP as part of its credentials when communicating with a RADIUS server during the authentication process. References: (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

If the Cisco 5520 Series Wireless LAN Controller is no longer manageable via the network after implementing a CPU ACL, permit statements must be added to the top of the ACL in both directions (A). These statements should specify the network from which management is allowed and the virtual interface of the controller to ensure proper management access. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 In a distributed deployment of Cisco ISE, profiling services are configured on Policy Services Nodes (PSNs). These nodes handle all context-based access control, including profiling services.

 The issue described occurs when the fallback feature is disabled on the Cisco AireOS controller. When fallback is disabled, the controller does not attempt to reconnect to the primary TACACS+ server after it becomes available again following a failure. Instead, it continues to use the secondary server until it fails or the controller is rebooted. Enabling fallback would allow the controller to periodically attempt to reconnect to the primary server. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

 For a wireless network supporting voice and video applications for Apple devices, especially with Fastlane implementation, the QoS profile to configure on the user WLAN for iPhones updated to version 14.5.432302546 is Platinum. This profile provides the highest level of QoS, ensuring priority for voice and video traffic. References:= (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

Trusting DSCP is essential for maintaining the QoS markings across the wired and wireless network in a FlexConnect deployment. By trusting DSCP, the WLC and APs will preserve the QoS markings set by applications and devices, ensuring consistent QoS treatment throughout the network. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

 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.

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 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.

 To prevent honeypot attacks most efficiently, the wireless network engineer should set the auto containment level to 4 and select the Using Our SSID containment option (D). This configuration allows the system to automatically contain rogue APs that are spoofing the organization’s SSID, which is a common tactic in honeypot attacks. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

The configuration required is to trust the DSCP (Differentiated Services Code Point) on the controller switch port. This ensures that the voice traffic’s class of service is maintained throughout the network. By trusting DSCP, the switch will preserve the DSCP value set by the wireless LAN controller, which is responsible for marking the voice packets. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

 The correct configuration for limiting Internet bandwidth for each guest client on a Cisco Catalyst 9800 WLC is through a policy map. A policy map allows the creation of policies that can manage traffic within a network. By setting a bandwidth limit within the policy map, the WLC can enforce the required QoS for guest clients. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

A Public-Signed SAN (Subject Alternative Name) certificate allows multiple domain names to be protected with a single certificate. This is useful in a distributed environment like a guest portal on Cisco ISE, where there may be multiple nodes with different Common Names (CNs). Using a SAN certificate can prevent CN mismatch errors during SSL/TLS handshakes. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

The absence of rogue AP options in the navigation menu under Maps in Cisco Prime Infrastructure (PI) version 3.0 indicates that there is an issue with integrating location services, which are provided by Mobility Services Engine (MSE). Without adding MSE to PI, location-based services such as tracking rogue access points cannot be utilized or displayed within PI’s interface. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 In a self-registration setup for guest/BYOD devices, when an employee tries to connect multiple devices simultaneously, the system allows the registration of all devices. However, it restricts the active connection to only one device at a time. This ensures that network resources are not overburdened by a single user connecting multiple devices. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

The bronze QoS level is typically recommended for guest services in a wireless network environment. This level prioritizes basic internet access, which is suitable for guest services that do not require high bandwidth or low latency. It ensures that more critical services are not impacted by guest traffic, which is often less sensitive to performance fluctuations. References := CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

To load balance the data coming through NMSP from the WLCs and spread the load between multiple CMX servers, the configuration cmxctl config feature flags nmsplb.cmx-ap-grouping true should be used. This enables the load balancing feature and helps optimize the data flow for APs in a large network environment. References: The configuration for load balancing in CMX is explained in the certification guide, which outlines the commands and flags necessary to manage data flow efficiently.

The command cmxha convert backup is used on the backup Cisco CMX server to designate it as the secondary server in a high-availability deployment. This command helps to resolve the issue where both servers are considered primary. References: Cisco CMX high-availability documentation will provide more details on this command.

In Cisco Prime Infrastructure, the maximum number of APs that can be used to contain an identified rogue access point in the WLC is four (4). This containment process involves using nearby APs to disrupt the rogue AP’s signals, thereby preventing it from effectively communicating with client devices. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, which includes information on rogue AP detection and containment strategies within the WLC and Cisco Prime Infrastructure.

When configuring an Access Control List (ACL) to restrict traffic to the Wireless LAN Controller (WLC) CPU, the direction of the traffic is crucial. Since the ACL is meant to control traffic that is destined for the WLC CPU, it should be set as “Inbound”. This means that any rules applied within this ACL will affect incoming traffic towards the WLC, which is necessary when aiming to restrict certain types of traffic from reaching and potentially overwhelming the controller’s processing capabilities. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 To improve the speed of client roaming in a wireless network, especially in scenarios where applications are dropping during roams between access points, it is recommended to switch to WPA2 with AES encryption. WPA2AES provides a more robust and efficient encryption method, which can facilitate faster and more secure client handoffs between APs. This change can help mitigate issues with application drops during roaming. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, focusing on client roaming optimization and security protocols for wireless networks.

 To ensure that the guest network uses only lower rates instead of 802.11n data rates, the WMM (Wi-Fi Multimedia) policy of the WLAN should be set to disabled ©. This will prevent the use of 802.11n data rates, which require WMM to be enabled. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

To prevent the network from a Layer 2 flooding of multicast frames and ensure a seamless transfer of multicast data to the client when roaming, IGMP snooping should be enabled on the WLC. This feature allows the WLC to monitor and control multicast traffic at Layer 2, preventing unnecessary multicast forwarding.

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