An international IT corporation is setting up an R&D center in China, and the chair faculty is hiring network researchers. They decided they wanted to try a fun interview puzzle classic:447Please respect copyright.ＰＥＮＡＮＡ61Ab5YWAhf
"Describe what will happen after you type in google.com and enter in your browser with as much detail as possible."447Please respect copyright.ＰＥＮＡＮＡBErGhlQ1Ge
Half an hour has passed, and the applicant is still lecturing enthusiastically about the protocol specifications of Shadowsocks, Trojan, and VMess, the encryption, emulation, and obfuscation standards for the network traffic, the automated packet analysis set up by the ISP and the communist party, and it seemed the step where the browser receives a DNS name record is still an hour away.447Please respect copyright.ＰＥＮＡＮＡqg1A8ByTir
...447Please respect copyright.ＰＥＮＡＮＡzZFJryXVNt
Several hours of intensive lecturing later, the applicant says:447Please respect copyright.ＰＥＮＡＮＡTQScZThTVQ
"And finally, you receive an RST flag, and then the agents with the Bureau for the Protection of National Political Security knock on your door."447Please respect copyright.ＰＥＮＡＮＡI5oFQp5wVM
And the applicant sat down and paused.447Please respect copyright.ＰＥＮＡＮＡ0sKGLOmjhW
Knock, knock.447Please respect copyright.ＰＥＮＡＮＡJXc8SmdFCA
The chair faculty was confused as they've already sent everybody in the office home just to listen to this applicant's wonderful lecture until the end.447Please respect copyright.ＰＥＮＡＮＡeaIJ15OUsE
