Network equipment and medium varies widely between WAN (Wide Area Network), LAN (Local Area Network) and PAN (Personal Area Network) connections. However, if they all have connections to the Internet, then they all have TCP/IP as a common protocol that can be used to test connectivity on each network. Run “ping” and “tracert” utilities in Microsoft Windows 7 to troubleshoot connectivity issues on networks connected to the Internet. Tips Writer Bio

How to Troubleshoot LAN  WAN and PAN Internet Connections - 69