(1. The most basic and most commonly used Ping for testing the physical network is to send an ICMP (Internet Control Message Protocol) request to any computer on the TCP/IP network. The computer that receives this packet should return a "reply" packet. When the "reply" packet is received, it can be confirmed whether communication is possible. In addition to confirming communication, ping can also confirm name resolution and measure the time required for communication. The specific syntax format of the Ping command Ping destination address [parameter 1] [parameter 2] Among them, the parameters mainly include……………………2.…………3.…………)
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