Ch. 4.4

Question 1

What command-line tools report a host’s IP configuration?

Windows vs Linux

Question 2

What tool verifies if a host can contact another host?

Question 3

What does ipconfig do?

Answer 3

Displays IP Address, Subnet Mask, and Gateway for all network interfaces

Question 4

What does ipconfig /all do?

Answer 4

Shows TCP/IP config for all devices, DHCP, and MAC addresses

Question 5

What does ipconfig /renew interface do?

Answer 5

Forces DHCP client to renew IP lease

Question 6

What does ipconfig /release interface do?

Answer 6

Releases IP address from DHCP so interfaces don’t have an IP address?

Question 7

What does ipconfig /displaydns do?

Answer 7

Shows DNS cache

Question 8

What does ipconfig /flushdns do?

Answer 8

Clears DNS cache

Question 9

What is ifconfig?

Answer 9

Legacy Linux command to check network configuration

Question 10

What is ip command?

Answer 10

Updated Linux command of ifconfig

Question 11

What does ip addr do?

Answer 11

Shows current address configuration on Linux

Question 12

What does ip addr show dev eth0 do?

Answer 12

Reports single interface on Linux

Question 13

What does ip link do?

Answer 13

Status of interfaces on Linux

Question 14

What does ip -s link do?

Answer 14

Shows interface statistics on Linux

Question 15

What does ip link set eth0 up|down do?

Answer 15

Enables/disables an interface on Linux

Question 16

What does ip addr add|delete do?

Answer 16

Modify IP address configuration on Linux