IP Addresses and Subnets, Simply Explained
Addressing devices
What is an IP address?
An IP address is a numeric label used to identify a device on an IP network. It works a bit like a street address so data can be delivered to the correct device.
IPv4 and IPv6
IPv4 addresses are shorter and older, while IPv6 addresses are longer and were designed because the world needed more addresses. Both help identify devices, but IPv6 provides a much larger address space.
Beginner takeaway
You do not need to memorize address formats right away. First focus on the idea that an IP address identifies a device for delivery.
Subnet basics
What is the main purpose of an IP address?
IP addresses identify devices so data can be delivered correctly.
Correct answer: To identify a device on a network
Why was IPv6 introduced?
IPv6 was created because the world needed many more IP addresses.
Correct answer: To provide more addresses
What does IPv4 stand for?
IPv4 is the older Internet Protocol version 4 addressing system.
Correct answer: internet protocol version 4
What is a subnet?
A subnet divides a larger network into smaller, more manageable sections.
Correct answer: a smaller part of a larger network