Which is a feature of the Data Center Core layer?
A. The core layer provides the high-speed packet switching backplane for all flows going in and out of the data center.
B. The core layer provides the high-speed packet switching backplane for all flows going out of the data center.
C. The core layer is purely a Layer 2 environment. As a result, the core layer is not free of spanning tree and vPC.
D. The core layer provides connectivity to multiple aggregation modules and provides a resilient Layer 3 routed fabric with a single point of failure.
