Typical Data Center Ethernet LAN
Data center Ethernet LANs use many of the same Ethernet technologies and concepts used in SOHO and campus LANs. However, the networking needs for data centers differ enough from SOHO and campus LANs for Cisco to offer an entirely different certification track (routing and switching) for core networking functions in the rest of the enterprise, as compared to the data center certification track that begins with the DCICN exam.
Whereas a campus or SOHO LAN connects to end-user devices, a data center LAN connects to servers that users never see with their own eyes. The data center holds a number of servers in a relatively small space, with the servers often sitting in equipment racks. Each server then connects to ...
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