Exam Essentials - Network + Chapter 4

Exam Essentials
Know how to describe and use the troubleshooting information and statistics that arp, nbtstat, and netstat provide for you. The arp utility shows whether an IP address is being resolved to your MAC address (or someone else’s in case of conflicts). The netstat utility produces TCP/IP statistics, and nbtstat produces NetBIOS over TCP/IP statistics.

Know how to diagnose a network by using TCP/IP’s troubleshooting commands.
 Ping echoes back if a machine is alive and active on a network. Tracert shows the path that the ping packets take from source to target. And Telnet enables a user to participate in a remote textbased session.
Know what the tracert utility does. The tracert utility finds the route from your computer to any computer on a network.

Know what the ping utility does. Ping determines if a particular IP host is responding.

Know what the ftp utility does. The ftp utility allows you to reliably download and upload files from and to an FTP server across the Internet.

Know what the ipconfig and ifconfig utilities do. Ipconfig displays TCP/IP configuration
information for Windows NT and later operating systems. The ifconfig utility performs
a similar function in UNIX environments, in addition to performing certain interface configuration
tasks.
Know what the winipcfg utility does. Winipcfg displays TCP/IP configuration information for Windows 95/98.

Know what the nslookup and dig utilities do. Nslookup and dig allow you to look up DNS resolution information.