Cisco Exam Questions

Which overlay protocol does Cisco AVS for vSphere use to allow the ACI fabric to extend over an exis

Which overlay protocol does Cisco AVS for vSphere use to allow the ACI fabric to extend
over an existing network infrastructure?

A.
VXLAN

B.
OTV

C.
NVGRE

D.
IPsec

E.
GRE

Explanation: