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:464Please respect copyright.PENANATQtCocQq7b
"Describe what will happen after you type in google.com and enter in your browser with as much detail as possible."464Please respect copyright.PENANAU9l4imFyf0
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.464Please respect copyright.PENANAtKxtDonYS9
...464Please respect copyright.PENANApyOlNfUwZi
Several hours of intensive lecturing later, the applicant says:464Please respect copyright.PENANAEACgVto600
"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."464Please respect copyright.PENANArnSTOTEG8S
And the applicant sat down and paused.464Please respect copyright.PENANAeEVIQvPdhs
Knock, knock.464Please respect copyright.PENANAEmmgKTq3bq
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.464Please respect copyright.PENANA2wmRv4LEvD