(The Internet is composed of many physical networks and some interconnected devices in the world such as routers and gateways. Packets published from source hosts may pass through many different physical networks before reaching the destination host. At the network level, hosts and routers use their logic to communicate. Identifying a logical address is an address on the Internet. Its jurisdiction is the overall logical address. The logical address is the only one in the overall situation. The reason why it is called a logical address is because the logical address is implemented by software. Every protocol dealing with the Internet requires A logical address is also called an IP address in the TCP/IP protocol suite. Its length is 32 bits.
ARP thematic study guide.pdf)
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