[15th issue] Tencent PCG background development internship I, II and III (OC)

I am a junior , After the winter vacation, I heard from the seniors and sisters that the major factories began to recruit interns in succession , So I decided to have a try , Cast tx and bd. Introduce yourself tcp and http.tcp and udp Characteristics of ,tcp Three handshakes 、 Four waves http2.0 Understand? ？ and http1.1 The gap between ？ Talk about the crawler project in self introduction . Anti climbing, understand ？ How to realize several anti climbing technologies in the project ？ Talk about the background project in self introduction . The server deployed in this project is stand-alone , I would like to ask how the server handles high traffic and high concurrency requests ？（ This answer is not very good , Just talking about ideas , Didn't speak technical terms ） data structure ： Common sorting algorithms , Quick line up 、 Principle and implementation of stacking . Algorithm ：topK, Time complexity （ Khan, , Direct second kill ） How to deal with 100 million level data ？ Talk about ideas . ask ： Main business ？ Practice requirements ？ On the one hand, the overall feeling is ok , I had a very happy chat with the interviewer leader Introduce yourself to processes and threads, understand ？ Process of communication ？ Thread safety ？ Reptile project in self introduction .（ Just want to follow one side , As a result, the interviewer told me that the interviewer on one side told him that I had a good grasp of this , Don't go into detail , He wants to ask a few questions to expand ？ My heart :"！？"） Why should the project database be used mysql？InnoDB characteristic ？ Do you understand ？ Data partition ？ How to speed up reading and writing efficiency ？redis Understand? ？（ answer ：“ Yes, but I haven't used it ”, So the interviewer told me for a long time ） Background projects in self introduction ？（ It is also an expansion , But the problem is not as deep as before ） How to transfer files in the project ？ How to solve this problem ？ Breakpoint continuation understand ？ Where are you from? ？ Why should I find an internship at this time ？（ Why ask now , The interview is coming to an end ？？） Scene question ： Design a college entrance examination score query system . requirement ： Business process from front end to back end 、 Service Architecture 、 Information security 、 Disaster recovery measures and so on should be involved .（ps. Because during school, computer courses are elective , No one will choose all directions . What I don't understand is that I have sex there according to my superficial understanding . During the interview, the interviewer also asked a lot of questions , Some answered , But most of them hesitate to know what they are talking about , Khan, -_-||） ask ： What else do I lack ？ What are the ways to improve ？ answer ：“ Learn more about distributed , Now large and medium-sized enterprises basically need to involve this aspect . such as ……（ Talked a lot about his business ）” The project and scene topics have been chatting for a long time , Then there is the interview on Saturday , It's estimated that the time is coming, and the interviewer doesn't want to delay , There is no algorithm problem . After two sides, I was very nervous , Because I realize that I am different from the technical stack of this position , At the same time, I also realize that I'm still very good at cooking and have a lot to learn . Many of the questions that the interviewer asked me forced him to give me three lectures The director got up on Monday morning and inexplicably received three emails , I usually lie flat in the morning , See the message directly “ To sit up in fear of dying illness ”. Get up quickly and make up for the distribution related experience that the interviewer met on both sides . Introduce yourself to the difficulties and solutions encountered in the background project ？ Talk about the whole process of reptile , What does the client and server do respectively ？ Database sub table 、 Partition ？ Read / write separation ？ How to deal with hot and cold data ？ Now that you mentioned redis and mysql, Talk about how to ensure data consistency ？ Occupation planning ？ When can I come ？ ask ： What exactly does this position need to do ？ What can be learned ？（ The official website is very general ） Three face time is very short , I wonder if the director is too busy , I didn't ask about the content after a bad day . Is that lucky ？ After three sides 10 Minute official website process enters hr Noodles , I hope everything goes well ..HR Face to face self introduction . Difficulties encountered in doing the project ？ resolvent ？ The follow-up plan ？ Learning situation . Recent setbacks in school life ？ How to overcome ？ Future plans . Graduate School ？ employment ？ health . Add up ： The last part is still a long wait , From three sides to hr Face to face offer It takes several times as long as the first three sides combined ... I wish everyone can get the ideal offer~