Why phisical and logical adresses are important?

In data communication, Physical and Logical are very important, The Physical layout of a network shows the physical location of and the connection between devices participating on the network. And the importance of a logical layout shows all logical aspects of the network. This includes logical networks, assigned IP addresses to various hosts and devices, routing tables and a lot more.

So, we need all of them for security, troubleshooting and management reasons.

Because knowing them allows you to develop the project with more quality and in scheduled times

In Internet networking, a logical address is an IP address that may be assigned by software in the server or router or may be user-assigned, in contrast to the physical address (also called the MAC address) which is set in the hardware at the factory, and unalterable.