Cisco Exam Questions

Which Layer 2 tunneling technology should be used?

A company would like to distribute a VM hosting cluster between three data centers with the
capability to move VMs between sites. The connectivity between data centers is IP only, and the
new design should use the existing WAN. Which Layer 2 tunneling technology should be used?

A.
VPLS

B.
L2TPv3

C.
OTV

D.
AToM