Testing the Connection

The ping tool is used to test the network connection between your system and some remote host. ping is both simple and powerful. Its power lies in the fact that it does not depend on the application configuration of either end system. ping uses the ICMP Echo message, which tests the connection from the local IP layer to the remote IP layer. A ping test separates the network from the application. Any tool that helps you divide a network problem into separate pieces so that those pieces can be tested individually is extremely useful.

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