<div align="justify"><p><b>Ping-Pong</b> </p><p>The Ping utility will let you determine whether a specific IP address is accessible. It works by sending a data packet to the specified address and waiting for the reply. Ping is a simple, yet very useful diagnostic tool. </p><p><img src="http://www.hashdot.com/ping.jpg" width="510" height="383" border="0" alt="" /> </p></div>