MEF Software-Defined Wide Area Network (SD-WAN) Practice Exam

The IP packet traveling from the subscriber toward the service provider is called the:

Ingress IP Packet Egress IP Packet Underlay Connectivity Services SD-WAN Edge

Correct Answer:

Ingress IP Packet

Explanation:

Direction relative to a network boundary defines ingress versus egress. When a packet moves from the subscriber toward the service provider, it is entering the service provider’s network from its perspective, so it is an ingress IP packet. Egress would be traffic leaving the service provider’s network toward the subscriber. The other terms don’t describe this directional labeling: underlay connectivity services refer to the transport system, and SD-WAN edge is the device at the edge, not the direction of a packet.

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