Question: Why IP address is important in networking?

IP address is very important in TCP/IP networking. It’s the address that recognized and understood by computers and networking devices, so that they can communicate with each other. This 32bits IP address is also called IPv4.

IP address contains 4 octets, each octet can be represented by number 0-255 and separated by periods. For example, 192.168.100.2 is an IP address.