Network Topology
The physical or logical arrangement of devices and links in a network, such as star, mesh, or bus.
Network topology describes how devices and links are arranged, either physically (how cables run) or logically (how data flows regardless of layout). The N10-009 exam covers star, where devices connect to a central switch; bus, a single shared cable now largely obsolete; ring, where data travels in a loop; and mesh, where nodes interconnect directly. Full mesh gives every node a direct path to every other for maximum redundancy, while partial mesh balances cost and fault tolerance. Master physical versus logical: classic Ethernet over twisted-pair is a physical star but a logical bus, with all nodes sharing one collision domain through a hub.
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