From the course: Getting Started as a Full-Stack Web Developer
Join today to access over 24,900 courses taught by industry experts.
IP addresses, domain names, and certificates
From the course: Getting Started as a Full-Stack Web Developer
IP addresses, domain names, and certificates
- [Instructor] Web developers can ignore a lot of the internet vast complexity. But some of it is in the realm of being a full stack web developer. For the backend part of being such a developer, you need to know how websites identify themselves, how visitors find them, and how the machines know that suchandsuch.com really is suchandsuch.com. Let's start with Internet Protocol addresses, commonly known as IP addresses. In theory, every internet connected device in the world has an IP address. The most commonly used system is called IP version four, or IPv4, and its numbers look something like this. Unfortunately, this system was only designed for about 4 billion addresses, which I know that sounds like a lot, but it's less than one per person on Earth. So that system is slowly being replaced by IPv6, with addresses that look like this. IPv6 allows over six octillion addresses per person. That's per person remember, much…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.