Which statement describes a characteristic of the Cisco SD-Access control plane?
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Correct answer: It stores remote routes in a centralized database server..
Why this is the answer
Cisco SD-Access uses a control plane based on the Locator/ID Separation Protocol (LISP). In this architecture, the control plane stores remote routes (Endpoint Identifiers or EIDs) in a centralized database server, known as the Map-Server. This server maps EIDs to their corresponding Routing Locators (RLOCs), which are the underlay addresses of the network devices. This separation of identity from location allows for efficient host mobility and simplified routing, as edge devices don't need to maintain full routing tables for all endpoints. Incorrect options: Host mobility is supported across both wired and wireless networks, not just wireless. While VXLAN is used for the data plane encapsulation in SD-Access, the control plane is based on LISP, not VXLAN. The control plane's centralized nature means that individual routers do not process every possible destination and route; instead, they query the Map-Server for unknown destinations.
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