A network uses RSTP, as shown in the exhibits. The network administrator wants switches to use the link that connects to Core-2 to forward some of the traffic. The administrator enters these commands on every switch shown in the exhibit:The administrator then discovers that the links to Core-2 still did not forward any traffic. What should the administrator do to enable these links to carry traffic?C. Configure Core-2 with spanning tree priority 0 in instance 2.