Use Ping Command to Test Connectivity
Pinging yahoo.com [66.218.71.198] with 32 bytes of data:
Reply from 66.218.71.198: bytes=32 time=150ms TTL=232
Reply from 66.218.71.198: bytes=32 time=81ms TTL=232
Reply from 66.218.71.198: bytes=32 time=90ms TTL=232
Reply from 66.218.71.198: bytes=32 time=91ms TTL=232
Ping statistics for 66.218.71.198:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 81ms, Maximum = 150ms, Average = 103ms