Introduction to the Internet

What you will learn
Understand the structure of computer networks and their peculiarities
Distinguish the client from the server
Feel safer on the Internet
Teach about IP, DNS, LAN, WAN and other Internet technologies.

In this course you will learn the basics of how the Internet works. You will learn more about how computers connect to each other and exchange information with each other. At the end of this course, you will learn to understand networking, distinguish between client and server, and understand the basic concepts of information security. The basics of the Internet will come in handy if you decide to work with websites and servers. Knowledge in this course will help programmers understand how networks work and which paths information takes to get from one computer to another. This course is suitable for everyone.

Program of the course

Introduction
Introduction to the course topic

What the Internet is
Getting to know the Internet and discussing how it came to be and how it works now

How Computers Interconnect
Understand how computers communicate with each other, and learn about computer networks, switches, and Wi-Fi.

Local and Wide Area Networks
Talk about local and wide area networks, learn about providers and their levels of responsibility

Computer Addresses
We learn about IP addresses and their formation, hosts file and DNS service. We’ll find out if we can run out of IP addresses and how service providers try to save them.

Information exchange between computers
We’ll find out what kind of information computers exchange with each other. Let’s look at the TCP/IP model and explain in detail about the transport layer.

Client/Server Architecture
An introduction to client-server architecture and its components, learning more about balancers and clusters.

A Website on the Internet
We’ll discuss what a website on the Internet is and what it consists of; understand the difference between Frontend and Backend

Security on the Internet. The HTTPS protocol
Let’s talk about the HTTP and HTTPS protocols, which are used when connecting to websites. Let’s find out why HTTPS is necessary when processing personal and banking data, and what the Man-in-the-Middle attack has to do with it.

Internet Security and the Digital Footprint
We will study what data about ourselves we leave on the Internet and what a digital footprint is. We will learn to distinguish between active and passive digital footprints.

Privacy and safety on the Internet
We find out how to preserve your privacy on the Internet and leave fewer digital footprints. We get to know what is VPN and proxy-servers.

Conclusion
To summarize the course