General “Internet connection test”.
Test-Netconnection
Ping www.google.co.uk
Test-Netconnection www.google.co.uk
Tracert to www.google.co.uk
Test-Netconnection www.google.co.uk -traceroute
Telnet to a port
Test-Netconnection www.google.co.uk -Port 80
Test-Netconnection www.google.co.uk -Port 22