preface

Slag this one, hangzhou university to read a senior, school background can also, because in Hangzhou, so ali or more worship, sophomore time has been determined to go to Ali internship, so very early to prepare. It took 33 days to interview Ali’s mother and finally got the internship offer. Now I would like to share a wave of my experience and feelings, hoping to help my peers.

Note: surprise at the end ~!!

Ali mother interview experience sharing

01 Ali’s mother’s feelings about the interview

** Side: ** Side gives me the overall feeling is very comfortable, the interviewer is relatively kind, very patient, on the other hand, it feels a bit like the resume, after the end of my feeling is more focused on engineering ability and technical details, so it is best to make corresponding preparations before the interview.

2: * * * * 2 face is to ask more flexible, the extent of the same interview questions is difficult, the interviewer is the P8 ali, although the title is relatively high, but the whole atmosphere of the interview is with the attitude of the “discussion”, so give my feeling is more easily, thus can feel ali’s technology atmosphere is also very good.

Three aspects of ** : ** This aspect is very comprehensive, ali leader. At the beginning, he would talk about his school experience with me, which narrowed the distance. Therefore, the subsequent communication seemed to be more relaxed and pleasant.

Four sides: HR face not much to say, ali’s HR little sister or very professional, ask a question with purpose but won’t let a person feel very offensive, speech voice is also very pleasant to hear, very comfortable.

02 Ali’s Mother’s Interview questions

  1. To introduce myself
  2. Introduce ZooKeeper. I mainly talk about the application (registration center) and related principles in our project
  3. Is there any other application of ZK
  4. (ZK is down and consumers in Dubbo can communicate
  5. Spring ioc and Aop
  6. Introduce dynamic proxy methods that you also know about
  7. Describe the way we switch data sources
  8. Test a problem ioc cycle dependence
  9. A minor problem with AOP, presumably described as nested to do enhancements?
  10. Database ACID
  11. How do I ensure that messages are sent to message queues?
  12. Ensure idempotent from the consumer side
  13. Get and POST
  14. Optimistic lock, pessimistic lock
  15. Introduce the characters in Dubbo
  16. Fundamentals of service governance
  17. Why zK and not Redis?
  18. Load balancing for Dubbo
  19. Q: If a server suddenly goes offline at this time, how do you ensure the stability of responsibility?
  20. Q: If a large number of clusters have problems due to network fluctuations, how can they be resolved to maintain stability?
  21. Cookie to explain
  22. Session
  23. What kind of information should the session store?
  24. Why are microservices microservices and what is a good microservice architecture?
  25. The sets of large numbers A and B intersect
  26. Object – oriented design ideas and common design patterns
  27. Common principles for design patterns
  28. Talk about the classification of design patterns
  29. Design pattern application in Spring
  30. Singleton implementation, hungry and lazy
  31. A: volatile
  32. Memory semantics for volatile
  33. Class loading mechanism and the process of class loading
  34. Address bar input address, the entire response process
  35. Seven layers of protocol understanding
  36. HTTP and HTTPS
  37. The HTTP request header
  38. MVC dispatch mechanism
  39. Role of serialization in RPC
  40. Microservices Architecture
  41. Let’s find the 10 most repeated numbers in 1T, and here we’re optimizing ourselves bit by bit just like the set of large numbers on the previous side
  42. Mysql has four isolation levels to solve the problem
  43. Scenario: How can thread A and thread B access A database at the same time to ensure that data will not be overwritten?

03 Ali’s Answer to the interview question

Due to the limited space of this article, specific interview answers and analysis part will not be described in the article, are organized in the PDF document, if necessary, you can directly click here to obtain the document collection method **

How to enter Ali internship?

This time, I interviewed with Ali Mom. Ali Mom is ali’s big data marketing platform. Ali’s core commercial data are all in this department, so it is not easy to enter Ali Mom for internship. As for how to successfully win the offer and enter Ali internship, I have also sorted out some of my methods and suggestions, hoping to be helpful to you.

(1) Collect data to understand Ali

The first step to do is have a certain knowledge of ali, the understanding is not mean you know ali what app, the app is doing, but to ali the situation of the each department has a basic parts, of course the core data is not clear, but still can search related information on the network, whether the interview what jobs, should do this. So I prepared some materials and finally picked Ali’s mother to do it.

(2) Enrich oneself and enhance core competitiveness

Can smoothly enter the ali internship, is about to see whether can get an interview, because this wants to work on your resume, and personal resume is to enrich oneself, make your resume stand out in the many resume, but for developers, is nothing but grasp how much technology experience, have how many projects? If you want to enrich yourself, you should improve your core competitiveness through continuous learning.

Learning materials: Comment + forward, follow me, ** Click here to get the document collection method **

  • ①Java core knowledge treasure book

  • ②SpringBoot usage notes (core technology)

  • Combat e-book + source interpretation document

  • ④BAT Factory interview questions database (Baidu, Tencent, Ali, Bytedance, JINGdong, Didi, etc.)

conclusion

It is really exciting to enter Ali for internship, but the competition of big factory is very big, so “learning” still cannot be neglected. If you also have a big factory dream, then you had better work hard.

All of the above learning materials can be shared with you for free, forward + comment, follow me, ** click here to get the document collection method **