Network Console Commands

Question 1

Displays detailed configuration, including DHCP and DNS servers, Mac address, and NetBIOS status.

Answer 1

ipconfig /all

Question 2

Releases the IP address obtained from a DHCP server so that the network adapter(s) will no longer have an IP address.

Answer 2

ipconfig /release

AdapterName

Question 3

Forces a DHCP client to renew the lease it has for an IP address.

Answer 3

ipconfig /renew

Question 4

Displays the DNS resolver cache. This contains host and domain names that have been queried recently.

Answer 4

ipconfig /displaydns

Question 5

Clears the DNS resolver cache.

Answer 5

ipconfig /flushdns

Question 6

Displays the IP address, subnet mask, and default gateway (router) for all network adapters to which TCP/IP is bound.

Answer 6

ipconfig

Question 7

Used to test whether a host can communicate with another host on the same network or on a remote network.

Answer 7

ping

Question 8

Used to trace the route a packet of information takes to get to its target.

Answer 8

tracert

Question 9

Used to investigate open ports and connections on the local host.

Answer 9

netstat

Question 10

Displays all the connections and listening ports.

Answer 10

netstat -a

Question 11

Shows the process that has opened the port.

Answer 11

netstat -b

Question 12

Displays ports and addresses in numerical format.

Answer 12

netstat -n

Question 13

Used to troubleshoot DNS.

Answer 13

nslookup