Which of the following statements about marking packets is TRUE?
Which of the following statements about marking packets is TRUE?
Packets corresponding to a layer-3 service can be pre-marked on SAP-ingress. SAP-ingress refers to the point where a customer or subscriber's traffic enters the service provider's network. For layer-3 services, this is a common point for pre-marking packets to apply Quality of Service (QoS) policies before they traverse the network.
C is correct