Chapter 10 - Command-Line Tools

Question 1

dig command

Answer 1

Can resolve a FQDN to an IP address on UNIX hosts.

Question 2

host command

Answer 2

Can resolve a FQDN to an IP address on hosts.

Question 3

ipconfig command

Answer 3

A Microsoft Windows command that can be used to display IP address configuration parameters on a PC. In addition, if DHCP is used by the PC, the ipconfig command can be used to release and renew a DHCP lease, which is often useful during troubleshooting.

Question 4

nbtstat command

Answer 4

Displays NetBIOS information for IP-based networks. The nbt prefix of the nbtstat command refers to NetBIOS over TCP/IP, which is called NBT (or NetBT). This command can, for example, display a listing of NetBIOS device names learned by a Microsoft Windows-based PC.

Question 5

netstat command

Answer 5

Can display a variety of information about IP-based connections on a Windows or UNIX host.

Question 6

nslookup command

Answer 6

Can resolve a FQDN to an IP address on Microsoft Windows and UNIX hosts.

Question 7

ping command

Answer 7

One of the most commonly used command-line commands. It can check IP connectivity between two network devices. Multiple platforms (for example, routers, switches, and hosts) support the ping command.

Question 8

route command

Answer 8

Can add, modify, or delete routes in the IP routing table of Microsoft Windows and UNIX hosts. In addition, the route command can be used to view the IP routing table of Microsoft Windows hosts.

Question 9

traceroute command

Answer 9

A UNIX command that displays every router hop along the path from a source host to a destination host on an IP network. Information about the router hop can include the IP address of the router hop and the round-trip delay of that router hop.

Question 10

tracert command

Answer 10

A Microsoft Windows-based command that displays every router hop along the path from a source host to a destination host on an IP network. Information about a router hop can include such information as the IP address of the router hop and the round-trip delay of that router hop.