Note that the "192.168.1" represents the LAN that this particular host is a member of and the x indicates the specific host number that you are attempting to ping (e.g.

注意到 ”192.168.1" 代表的是该主机所属于的网络，而 x 则表示试图要 ping 的主机号码（例如 Oracle），这两部分组成了一个完整的 IP 地址。

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To determine whether each computer can communicate with every other computer in the LAN, use the ping command.

可以使用ping命令来判断计算机能否与其他计算机通讯。

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