Which tunneling technology is used by the SD-Access fabric data plane to create the overlay network for the SD-Access fabric?
- VXLAN
- MPLS
- LISP
- GRE
Explanation: The overlay network is built by the SD-Access fabric data plane over an underlay network by using VXLAN tunneling technology. Using VXLAN allows the SD-Access fabric to support Layer 2 and Layer 3 virtual topologies (overlays) and the ability to operate over any IP-based network.
Exam with this question: CCNP Core Networking: Modules 22 - 24 Checkpoint Exam: Network Design and Monitoring Exam
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