what role do network devices play in the intserv qos model?
It uses a connection-oriented approach with QoS. It treats all network packets in the same way.* It allows end hosts to signal their QoS needs to the network. It provides preferential treatment for voice packets. 12. What role do network devices play in the IntServ QoS model? Network devices ensure that resources are available before traffic is allowed to be sent by a host through the network.* Network devices provide a best-effort approach to forwarding traffic. Network devices are configured to service multiple classes of traffic and handle traffic as it may arrive. Network devices use QoS on a hop-by-hop basis to provide excellent scalability. 13.