The most used command to test connectivity between 2 computers is ping host IP address.
What is IP address?
An Internet Protocol address (IP address) is a numerical label that identifies a computer network that employs the Internet Protocol for communication. An example of such an IP address is 192.0.2.1.Identification of the network interface and location addressing are the two primary purposes of an IP address. A 32-bit number is what the Internet Protocol version 4 (IPv4) designates as an IP address. However, a new version of IP (IPv6), utilising 128 bits again for IP address, was established in 1998 in response to the expansion of the Internet and the exhaustion of IPv4 addresses. Deployment of IPv6 has been happening since the middle of the 2000s. Human-readable notations are used to write and display IP addresses, such as 192.0.2.1 for IPv4 and 2001:db8:0:1234:0:567:8:1 for IPv6.
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