Answer :
Final answer:
Routers are devices that send data between networks, operating at Layer 3 of the OSI model.
Explanation:
Router is a device that sends data from one network to another. It operates at Layer 3 of the OSI model, determining the best path to route packets across different networks based on destination information in the packets.
Routers communicate with each other to find the most efficient paths, similar to how interstates have multiple paths in the U.S. This routing task is shared among all routers in the global network, ensuring effective data transmission.
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