Basic knowledge of the Internet

Course Overview

Curriculum: How does the Internet work?

1. Basic concepts of the Internet

1. 1.1. What is the Internet?The Internet as a global network.
2. A Brief History and Development of the Internet.
3. 1.2. Structure of the InternetNetwork of networks: Why are different networks important and how are they interconnected?
4. Essential elements: routers, servers, clients, data centers.

2. How does data transfer work on the Internet?

1. 2.1. Data packets and protocolsWhat is a data package? How is data distributed within the network?
2. Basic Internet Protocols: IP, TCP, UDP.
3. 2.2. Process of data transmissionHow do data packets go from source to destination?
4. Role of routers in data transmission.
5. The network layers and the TCP/IP model.

3. Domain Name System (DNS)

1. 3.1. What is DNA?The role of DNA on the Internet.
2. How does DNS translate domain names to IP addresses?
3. 3.2. How does DNA work?DNS search process: root servers, top-level domain (TLD) servers, authoritative servers.
4. Example of a DNS query: How does the browser find the website?

4. How do websites work on the internet?

1. 4.1. Web servers and websitesWhat is a web server? How do you store and provide websites?
2. The role of HTML, CSS and JavaScript in the presentation of the website.
3. 4.2. HTTP and HTTPS protocolsWhat is HTTP and HTTPS? How do you communicate between the client and the server?
4. What is the difference between HTTP and HTTPS?

5. Internet services and applications

1. 5.1. E-mail, FTP, and other servicesHow do email systems work? (SMTP, IMAP, POP3)
2. File transfer on the Internet: and FTP funds.
3. 5.2. Streaming, cloud services and other applicationsHow does video streaming work? (e.g. YouTube)
4. Cloud-based services: storage and cloud computing (e.g. Google Drive, AWS).

6. Security on the Internet

1. 6.1. Why is Internet security important?Basic risks: data theft, hacking, malware.
2. 6.2. Encryption and data protectionHow does encryption work? (e.g. SSL/TLS)
3. Principles and practices of data protection.

7. Internet technologies of the future

1. 7.1. The Internet of Things (IoT)What is IoT? How do devices connect to the Internet?
2. 7.2. 5G and Future Networking TechnologiesHow will 5G change the way we use the Internet?
3. 7.3. Artificial Intelligence and the InternetHow does AI relate to internet services? (e.g. chatbots, personalised advertisements)