Placing the two PCs into the network. And Network Devices > Switch > 2960, connect the PCs to the first 2 switch ports, using either Cross-Over or Direct connect cables.
Then we must configure the 2 PCs with IP Addresses to allow them to communicate.
PC0: 192.168.0.2 PC1: 192.168.0.3
From PC1, Desktop > Command Prompt
ping 192.168.0.2
We can now see the two PCs are able to communicate with each other, whilst connected to a switch.