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...communications channel. A wired local area network (LAN), for
example, may be set up as a broadcast network, with one user
connected to each node and the nodes typically arranged in a
bus, ring, or star topology, as shown in the figure. Nodes
connected together in a wireless LAN may broadcast via radio or
optical links. On a larger scale, many satellite radio
systems... What made you want to look up "star topology"? Please
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