Which statement about data center access layer design modes is correct?
A. The access layer is the first oversubscription point in a data center design.
B. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
C. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.
D. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.
Answer: A
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