When you design a customer network that is composed only of a pure Layer 2 switch and a router, which feature should you enable to support communication among VLANs?
A. VLANs cannot communicate when only a router and a Layer 2 switch are used in the design.
B. Spanning Tree on the Layer 2 switch
C. Static routes on the Layer 2 switch
D. Trunking between the Layer 2 switch and the router
E. Uplink port aggregation on the router