Which three options are benefits of the vPC peer switch feature? (Choose three.) 

Answer options:

A. After the peer link comes up, it performs an ARP bulk sync over CFSoE to the peer switch
B. It improves convergence forLayer 3 flows.
C. It allows a pair of vPC peer devices to appear as a single STP root in the Layer 2.
D. It simplifies STP configuration by configuring both vPC with the same STP priority.
E. It eliminates the recommendation to pin the STP root to the vPCprimary switch. CDE

Explanation