Курс компьютерной грамотности для QA / Что такое интернет, и как он работает в приложениях

🔴 Take a free test drive as a Software Tester https://site.purrweb-academy.ru/testi... and learn how to quickly get started in IT without programming skills. The internet plays a key role in the functioning of modern applications. In this lesson, you'll learn the basics of the internet and its impact on applications. This knowledge is critical for testing network applications and services. What protocols are there? https://tproger.ru/explain/protokoly-... Want to learn more about software testing? Join our course "Software Tester from Scratch." Training course: https://course.pro-test.studio/ Software testing services: https://pro-test.studio/ru/ Our social media Networks: Telegram channel: https://t.me/Pro_Test_studio Instagram:   / pro_test.studio   VKontakte: https://vk.com/pro_test.studio Contact us: Telegram: @proteststudio Phone number: +79933553088 00:00 - Introduction 1:20 - Definition of the Internet 3:10 - The role of a web browser 4:06 - The concept of a website and web applications 5:26 - The structure of the part of the internet invisible to the user 5:34 - About servers and their types 8:23 - Basics of network equipment 10:20 - Introduction to data transfer protocols 11:33 - Overview of the Domain Name System (DNS) 12:50 - An example of an application running on the internet and its stages 13:47 - Step 1: Opening a browser and Query Input 14:49 - Step 2: Transforming Information 15:20 - Step 3: Packing the Request by the Browser 16:20 - Step 4: Internet Protocol Overview 16:46 - Step 5: Data Packets Traveling the Internet 17:32 - Step 6: Reaching the Server Data Packets 17:51 - Step 7: Server Operation 18:11 - Step 8: Returning Data Packets 18:37 - Step 9: Unpacking by the Browser 19:15 - Step 10: Browser Actions 19:35 - Summary and Recap