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:450Please respect copyright.ＰＥＮＡＮＡ73G4sXjcVX
"Describe what will happen after you type in google.com and enter in your browser with as much detail as possible."450Please respect copyright.ＰＥＮＡＮＡL4QBuaGgJr
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.450Please respect copyright.ＰＥＮＡＮＡNqtM2HJlzA
...450Please respect copyright.ＰＥＮＡＮＡSDM1eTXode
Several hours of intensive lecturing later, the applicant says:450Please respect copyright.ＰＥＮＡＮＡuTWU0ECBaD
"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."450Please respect copyright.ＰＥＮＡＮＡfaCl2eHZvT
And the applicant sat down and paused.450Please respect copyright.ＰＥＮＡＮＡZHlB9L9P2o
Knock, knock.450Please respect copyright.ＰＥＮＡＮＡq7zlz0umip
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.450Please respect copyright.ＰＥＮＡＮＡFDa5EZV2VG
