Part II: Ethernet LAN Basics
Data center network technologies can be broken into two broad categories: data networking and storage networking. The data network allows user devices to communicate with the servers, or servers to communicate with each other. The storage network allows a server to communicate with storage devices.
The DCICN exam ignores storage networking, focusing on data networking.
Today’s data centers typically build the data networking components using Ethernet technology. Specifically, the physical links, the data-link protocols, and the networking devices, like Ethernet LAN switches, follow Ethernet standards.
Parts II and III dive into detail about Ethernet. Part II begins with Chapter 6, which provides some historical perspectives ...
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