ping
If you try to browse the Internet or share files with other computers on your LAN and get no response, it could be because the other computer isn’t receiving your data or isn’t responding. After ipconfig, ping is the most useful tool to determine where your Internet connection or your network has stopped working.
Here’s how it works:
1. The ping command sends a few packets of data to any computer you specify.
2. The other computer should immediately send these packets back to you.
3. ping lets you know whether the packets come back.
Therefore, ping tests the low-level communication between two computers. If ping works, you know that your network wiring, TCP/IP software, and any routers in between you and the other computer are working. ...
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