* Option A is correct. The storm control feature is enabled in the factory-default configuration on EX Series switches 1 2 . On EX2200, EX3200, EX3300, EX4200, and EX6200 switches, the factory default configuration enables storm control for broadcast and unknown unicast traffic on all switch interfaces 2 . On EX4300 switches, the factory default configuration enables storm control on all Layer
2 switch interfaces 1 .
* Option B is incorrect. The storm control feature does not require a special license on EX Series switches 3 4 .
* Option C is incorrect. There's no information available that suggests the storm control feature is not supported on aggregate Ethernet interfaces.
* Option D is incorrect. The storm control configuration applies to traffic at the ingress of an interface 5 , not just between the forwarding and control plane.