EXERCISE 11.1 TROUBLESHOOTING A CONNECTIVITY ISSUEEXAMINE FIGURE 11.1....

2. isolate where the failure is taking place. So your next step is to ping the loopback address, 127.0.0.1. You should remember from that the loopback address is a virtual IP address that’s used for troubleshooting the Transmission Control Protocol/Internet Protocol (TCP/IP) installation on a local PC. If you are unable to ping the loopback address, then TCP/IP is either not installed or has become corrupted on the local computer. If this ping is successful, the problem does not lie in the TCP/IP stack of Computer A.Next, try pinging another machine on the same network segment