IP CONFIG.A Windows first-class utility that enables the user to manage the IP address allocated to the operating system machine. Used without any other parameters, it maps the computer's IP address, subnet mask and gateway address to its specific configuration settings. There are several advantages of using this utility like controlling multiple computers from a single network connection. You can create various networks such as work, internet and home using this utility.
IP CONFIG.B This is the second version of the above utility. It displays the IP addresses and related network configuration values on the standard Windows console application. It also allows a computer to become an administrator if the first version does not support it. To enable this utility, you need to install the Microsoft Windows Server 2021 first. This version also allows you to configure and access IP addresses and configure various networking and security settings of your network.