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The view of a server tier is depicted in the diagram below with the physical view on the left and the logical segmented view on the right . This document will explore the key technologies that allow Ethernet switching platforms to successfully serve the needs to the Data Center . With the wide range of security features that the Cisco Catalyst 3560 Series offers , businesses can protect important information , keep unauthorized people off the network , guard privacy , and maintain uninterrupted operation . During the first wave , we experienced the difference between the managers who were paid by big companies to flounder and the visionaries who relentlessly tried to shift the mind of the market .