Which way to the Internet?

Which of these is used by a computer to determine its IP subnet?

A) The first three bits of an IP address

B) The default gateway

C) The VLAN tag

D) The subnet mask

E) The first octet of an IP address

F) It pulls over and asks for directions

The answer: D) The subnet mask

The subnet mask is used in conjunction with the IP address to determine the specific IP subnet.

Want to know more? Watch “TCP/IP Addressing.”

If you’re configuring a network connection, then you’ll need to know the fundamentals of TCP/IP addressing. In this video, you’ll learn about the IP address, subnet mask, and default gateway, and you’ll learn how to configuration your system for automatic or manual network settings.