1. Click on PC1 and in the Desktop tab open the IP Configuration application. Enter the IP address 10.0.0.1 of PC1 and notice that the mask will be set to 255.0.0.0. Notice that you can change the Display Name of the PC in the Config tab. See Figure 2 for the configuration of the IP address of PC1. Repeat the same procedure to configure the IP addresses of each of PC2, PC3, and PC4.