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:349Please respect copyright.ＰＥＮＡＮＡ6lCVO8Wf3x
"Describe what will happen after you type in google.com and enter in your browser with as much detail as possible."349Please respect copyright.ＰＥＮＡＮＡYjYtqyvzQY
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.349Please respect copyright.ＰＥＮＡＮＡ1QhGuweD1d
...349Please respect copyright.ＰＥＮＡＮＡTqsWWR7PwG
Several hours of intensive lecturing later, the applicant says:349Please respect copyright.ＰＥＮＡＮＡfYFhraN7F0
"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."349Please respect copyright.ＰＥＮＡＮＡxUvKE0Snc1
And the applicant sat down and paused.349Please respect copyright.ＰＥＮＡＮＡv944VliKWZ
Knock, knock.349Please respect copyright.ＰＥＮＡＮＡEI0oLkFOre
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.349Please respect copyright.ＰＥＮＡＮＡxO7rvh4ZhE
