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Hello everyone, in this video I will tell you the basics of the HTTP/HTTPS protocol, give answers to frequently asked questions at interviews. Basic status codes of the server response. The difference between rest api and soap, gRPC, JSON-RPC Donate to support the channel: Sberbank card - 2202 2068 4325 7309 0:00 Start 0:15 what happens after entering the URL in the browser? 01:06 a little about DNS (Domain Name System) 02:52 what the browser sends and receives from the server 03:42 port 443 = https, 80 = http 04:28 example in Postman 05:08 the difference between HTTP / HTTPS 05:59 the GET method 06:37 the POST method 06:56 the PUT and PATCH methods, differences 07:07 the DELETE method 07:15 idempotency of methods 07:44 status codes 08:00 status codes 100 - informational (example) 09:08 status codes 200 - successful 09:16 status codes 300 - redirection 09:51 example 301 status code (using curl -L -I) 10:46 status codes 400 - client-side error 10:57 status codes 401 and 403 what's the difference 12:36 status code 418 I am a teapot (example using curl) 13:13 status codes 500 - server side error 13:40 types of API (REST, SOAP, gRPC, JSON-RPC) 13:58 difference REST & SOAP 14:30 gRPC (Remote Procedure Calls) 14:57 JSON-RPC #tester #qa #https #api #rest # http