What is the underlying connectivity service?

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Multiple Choice

What is the underlying connectivity service?

Explanation:
In SD-WAN, the overlay networks (the VPNs you configure) run on top of a separate transport layer called the underlay. The term used for this base connectivity in MEF is the Underlay Connectivity Service (UCS). It represents the actual paths between SD-WAN edge devices and can be provided by various transport technologies (for example Ethernet, MPLS, or Internet access). The overlay VPNs rely on this UCS to carry traffic, making UCS the foundational connectivity that enables the SD-WAN fabric to function.

In SD-WAN, the overlay networks (the VPNs you configure) run on top of a separate transport layer called the underlay. The term used for this base connectivity in MEF is the Underlay Connectivity Service (UCS). It represents the actual paths between SD-WAN edge devices and can be provided by various transport technologies (for example Ethernet, MPLS, or Internet access). The overlay VPNs rely on this UCS to carry traffic, making UCS the foundational connectivity that enables the SD-WAN fabric to function.

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