What is the purpose of a router in a computer network?

  • Connecting devices within a network
  • Directing network traffic
  • Facilitating wireless connections
  • Filtering data packets
A router's primary purpose is to direct network traffic between different networks. It uses routing tables to determine the best path for data packets to reach their destination. This includes directing data between devices on the same network and between different networks, such as a local network and the internet. Routers also provide network address translation (NAT) to allow multiple devices on a network to share a single public IP address.
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