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To separate different types of client authentication on a Cisco ISE deployment, policy sets and policy groups can be used. Policy sets allow the creation of policies based on conditions such as device type, while policy groups categorize clients for the application of specific policies. References: Cisco ISE documentation on policy sets and policy groups will have detailed information.

 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.

In a Cisco Wireless LAN Controller (WLC), AP groups are used to manage the distribution of WLANs to different access points (APs). By configuring AP groups, an engineer can specify which WLANs are broadcasted by which APs. This allows for the creation of multiple WLANs across different APs without the need to create new interfaces for each WLAN. AP groups provide the flexibility to control WLAN availability based on location or other criteria, ensuring that only the intended WLANs are available through specific APs.

When designing a high availability wireless network, the focus should be on cell overlap. Adequate cell overlap ensures that if one access point fails, another can provide coverage without service interruption, thus maintaining network resilience and availability. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 FlexConnect is a wireless solution for branch office and remote office deployments. It allows APs to switch data traffic locally and perform client authentication locally when their connection to the controller is interrupted. For the scenario described, where a corporation is spread across different countries and wants to minimize delays while ensuring strong connectivity, FlexConnect with central switching enabled is appropriate. This configuration allows traffic to be switched locally at the AP, reducing the amount of traffic traversing the MPLS network to the central WLC, thus minimizing delays. 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.

 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

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)

The configuration that must be applied in the RADIUS Authentication Settings section from the ISE Network Device page when clients are able to authenticate successfully but the ISE policies designed to place them on different interfaces are not working is to change the CoA Port. The CoA (Change of Authorization) port is used by ISE to send messages to the network device to apply different policies post-authentication. If the CoA port is not correctly configured, the network device will not receive or act upon these messages, resulting in clients not being placed on the correct interfaces as per ISE policies. References := ( CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide )

To offer indoor directions to patient rooms using the existing wireless infrastructure, the hospital would need to install Cisco MSE (B) and Cisco CMX Visitor Connect ©. Cisco Mobility Services Engine (MSE) provides advanced location services, including tracking for Wi-Fi clients, which is essential for indoor navigation. Cisco CMX Visitor Connect, part of the Cisco Connected Mobile Experiences (CMX) solutions, allows for the customization of visitor experiences, such as indoor navigation. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.