Everyone has a dream of a big factory. For software testers, the first-line Internet companies headed by BAT must be their favorite objects. After all, they can work in these big factories. Not only the salary is high and the treatment is good, but also the ability and technology can be improved. The most important thing is to be able to coat yourself with a layer of gold, which makes people admire.
Similarly, the personal goal of a good friend of mine is Ali, but he has been working in a small company for several years. Now through continuous learning and practice, he has improved a lot and has the confidence to challenge Byte. Below, are some experiences and insights from this interview byte shared by friends.
Byte interview experience
Friends who experienced this interview said that they were too nervous + exciting + embarrassing. Before the interview, they were full of confidence, but after the interview, they were hanged and beaten to doubt life. The whole process is four-sided, the first two are smooth, relatively arrogant, the last round of technical and HR aspects let him understand, what is a byte?
Fortunately, the interview went smoothly in the end. The offer has been received, and the salary given is quite satisfactory, which is much better than the previous job.
As for the specific background of the individual, I will not explain them one by one. Let me share with you what he read twice before the interview.
This "Comprehensive Analysis of Software Testing Core Advanced Knowledge" with 120k stars on GitHub, whether it is used to consolidate the foundation or for technical improvement, you can save a copy. After reading it thoroughly, interviewing major manufacturers is so easy.
Some screenshots are shown below, and the free download method is attached at the end of the article.
1. Fundamentals of software testing
- What are the steps of software testing?
- How to record test script?
- Test methods that should be considered for how to test
- How to estimate the testing effort?
- The problem with test design
- When an error occurs during the testing process, what are the solutions?
- Problems with test execution
- Goals of Test Evaluation
- How to improve the test?
- Advantages and disadvantages of C/S mode
- Advantages and disadvantages of B/S mode
- …
Two, Linux
- What is the difference between grep and find? What are the uses of grep?
- View IP address?
- Create and delete a multilevel directory?
- Find the haha.txt file in the current user's home directory?
- How to query the tomcat process and kill the process, and write linux commands?
- View log files dynamically?
- Command to view system hard disk space?
- View all ports of the current machine listen?
- …
3. Python
- Count the number of lines of code in the python source code file, remove comments, blank lines, and output?
- Python calls cmd and returns the result?
- Bubble Sort
- How many different and non-repeating three-digit numbers can be composed of the four numbers 1, 2, 3, and 4?
- Please use python to print out symmetric numbers within 10000 (symmetry number characteristics: numbers are symmetrical left and right, such as: 1, 2, 11, 121, 1221, etc.)
- Given an integer N and a number K of 0-9, it is required to return the number of occurrences of the number K in 0-N
- Determine how many prime numbers there are between 101-200, and output all prime numbers
- A function that inputs a triangle, whether the output can form a triangle after input, and the type of triangle, please use the equivalence class-partition method to design a test case
- …
4. MySQL
- Which Mysql engine do you use, and what are the differences between each engine?
- How to optimize the query command?
- Database optimization?
- How does Sql injection occur and how to prevent it?
- What is the difference between NoSQL and relational databases?
- What is the most basic difference between the essence of MySQL and MongoDB
- How to implement paging in Mysql database?
- Operation of Mysql database?
- Optimizing the database? Improving the performance of the database?
- What is data integrity?
- …
5. Web
- What is the difference between web testing and app testing?
- WEB test environment construction and test method
- WEB Testing Tutorial
- Key points and basic methods of WEB testing
- Web test page summary
- …
6. Interface Test
- what is an interface
- If the module requests http to https, how should the test plan be formulated and modified?
- What does the commonly used HTTP protocol debugging agent I have? Explain in detail the setting process of capturing the HTTPS protocol?
- Describe the hierarchical structure of the TCP/IP protocol and the important protocols in each layer
- jmeter, the response result of an interface is as follows:
- How to clean up the garbage data generated by the interface
- How to deal with reliance on third-party interfaces
- Where do you put the test data?
- What is data-driven and how to parameterize it?
- …
7. Performance test
- What do you think is the purpose of performance testing? What is the key to doing a good job in performance testing?
- From what angles are server-side performance analysis performed?
- How to understand stress testing, negative testing and performance testing?
- How to judge whether there is a memory leak and the indicators of concern?
- Describe the causes of memory leaks in the software and how to check them. (It can be described in combination with a development language)
- Briefly describe what is value transfer, what is address transfer, and what is the difference between the two?
- What is a system bottleneck?
- …
Eight, selenium
- How to build an automated testing framework?
- How to design automated test cases:
- How does webdriver open and exit a browser?
- What is an automated testing framework?
- What is Selenium and what are the popular versions?
- How do you start Selenium RC from the command line?
- On my machine port 4444 is not free. How can I use another port?
- What is Selenium Server and how is it different from Selenium Hub?
- How do you connect to the database from Selenium?
- How do you verify that an object exists on multiple pages?
- What is the difference between using single and double slashes in XPath?
- How to write user extensions for SeleniumIDE/RC?
- How to verify the existence of an element after the page loads successfully?
- What do you know about Selenium Grid? What features does it provide?
- How to start Selenium server from your Java Class?
- What are the verification points in Selenium?
- What is XPath? When should I use XPath in Selenium?
- …
9. Computer and Network
- A computer with IP 192.168.10.71 subnet mask 255.255.255.64 with 192.168.10.201...
- Please briefly describe the concepts of DNS, active directory, and domain.
- What does 10M broadband mean? What is the theoretical download speed?
- What is an IP address?
- What are the seven layers of the OSI network model?
- What is the difference between TCP and UDP?
- Which protocol layer does HTTP belong to?
- What is the difference between HTTP and HTTPS?
- What is the difference between cookies and sessions?
- What is the difference between an HTTP get request and a post request?
- What is the difference between HTTP1.0 and HTTP1.1
- TCP connection establishment process, and disconnection process?
- The process of the client using DHCP to obtain an IP?
- Write down the network address and broadcast address of a network segment?
- …
10. Human resources
- What is your testing career progression? What do you think are the advantages of doing testing?
- When you are looking for a job, what is the most important consideration?
- Why should we admit you?
- Please tell us about your personal best feature.
- What qualities and skills should a test engineer possess?
- Also, how do you ensure the quality of the software, that is to say, how do you think the quality of the software can be guaranteed to the greatest extent?
- Why did you choose to test this line?
- If I hire you, what contribution can you bring to the department?
- …
at last
The entire document has a total of nearly 200 pages. It is definitely unrealistic to show you all. In order not to affect your reading experience, only part of the content is shown. I hope you will understand and hope to help you review before the interview and Find a good job, and save everyone's time searching for information on the Internet to learn!