A customer has four data centers within corporate headquarters. The company owns its own fiber infrastructure and has laid dark fiber in between each of the four data centers. Each of the data centers has a storage area network that includes application servers, disk arrays, and tape devices. Servers from each of the buildings require access to storage devices in different buildings. The administrator would like to design a highly resilient topology that allows for a single hop from server to storage across data centers. Which SAN topology between the data centers would best fit this requirement?

A.
partial mesh

B.
core-edge

C.
collapsed core

D.
full mesh

Explanation:
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