Which Layer 2 tunneling technology should be used?

Posted by: Pdfprep Category: 200-310 Tags: , ,

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

Answer: C

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