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Which protocol is responsible for data plane forwarding in a Cisco SD-Access deployment?
Correct Answer: D
In Cisco's Software-Defined Access (SD-Access), Locator/ID Separation Protocol (LISP) plays a crucial role in the data plane for forwarding traffic. LISP separates the end systems' identities from their locations on the network, allowing for more efficient routing decisions based on endpoints' identity rather than their IP address alone. This separation allows SD-Access to create flexible overlays for traffic forwarding over various transport networks. References: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) v1.1