Which vPC connection creates the illusion of a single control plane?
A . vPC keepalive link
B . vPC control Iink
C . vPC management link
D . vPC peer link
E . vPC overlay link
Answer: D
Explanation:
The vPC peer link is the most important connectivity element in the vPC system. This link is used to create the illusion of a single control plane by forwarding Bridge Protocol data units (BPDUs) or Link Aggregation Control Protocol (LACP) packets to the primary vPC switch from the secondary vPC switch.
Reference: http://www.cisco.com/