Which two data center technologies would provide Layer 2 resiliency, maximize bandwidth, and ensure lossless packet delivery over a congestion-aware network? (Choose two.)
A. DCBX
B. vPC
C. STP PortFast
D. FabricPath
E. FIP
Which two data center technologies would provide Layer 2 resiliency, maximize bandwidth, and ensure lossless packet delivery over a congestion-aware network?