A.to provide access to Cisco Smart Licensing servers for license enablement

B.to facilitate downloading and distribution of operational and security patches

C.to allow for global reachability from all WAN Edges in the Cisco SD-WAN and to facilitate NAT traversal

D.to enable vBond to learn the public IP of WAN Edge devices that are behind NAT gateways or in private address space

A.802 1AE to secure communication in the network domain

B.ISE to automate network access control leveraging RADIUS AV pairs

C.RFC 3580-based solution to enable authenticated access leveraging RADIUS and AV pairs

D.TrustSec to logically group internal user environments and assign policies

A.unicast discovery request to each WLC

B.broadcast discover request

C.Unicast discovery request to the first WLS that resolves the domain name

D.join request to all the WLCs

A.interface for AP configuration

B.automatic provisioning of AP devices

C.automatic segmentation of loT devices

D.replacement of malfunctioning devices