Ping is a command line tool commonly used to test reachability between two network locations. This is often considered a tool that allows you to see whether a device is up and active on the network. In addition to the basic reachability test, ping also provides round-trip time (RTT) information to the specific destination. This reflects the time that it took the packet to get to the other side and return to the originating device. Ping is also used to test packet loss on the connection.
Ping uses ICMP (Internet Control Message Protocol) as the underlying protocol (Layer 3 . . .
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