Tencent Backend Developer interview questions

The interview process is relatively long, with a total of four to five rounds of interviews. The first round is a telephone interview. The interviewer asked some knowledge from textbooks. I felt that he wanted me to recite the answers. Although I answered according to my own understanding, the interviewer was not very satisfied. After that, there were three rounds of technical interviews, and finally, there was one round of HR interview.

Difficult, they really understand the detail of the tech stack about computer networks. They also asked many things like how do you set up the network configuration for TCP, three-way handshake to deep.