I have sub netted network 172.16.0.0 into 4 sub networks.172.16.0.0 - 172.16.0.63172.16.0.64 - 172.16.0.127172.16.0.128 - 172.16.0.191172.16.0.192 - 172.16.0.255 So, here as seen in the diagram below, PC0 should not communicate with PC10 as they are ...