(The second phase of the campus network project adopts a hierarchical network structure. ?The first-level network is the core of the whole system, which provides a high-speed network communication platform and the most important information resources. It is composed of three main nodes/points (first-level core points) and a high-speed network. ?The secondary network includes the local area network of each department building. It consists of 45 branch nodes/points (secondary core points) and a medium-speed network.)
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