ping 192.168.2.3Refer to curriculum topic: 6.3.3Configure Router0 as follows:interface FastEthernet0/0no shutdowninterface FastEthernet0/0.10encapsulation dot1Q 10ip address 192.168.1.1 255.255.255.0interface FastEthernet0/0.20encapsulation dot1Q 20ip address 192.168.2.1 255.255.255.0 Explanation: The ping command from PC0 to PC1 completes successfully because the two devices are on the same subnet.