BMO Financial Group Software Development Engineer In Test (SDET) interview questions

1. When should/can we start API testing? Can we do API testing from the beginning of the project? 2. What is done first API testing or UI testing? 3. On what criterion you decide which TC has to be automated? 4. After the test case has been automated how do you use it in your testing process? 5. What are the pros and cons of agile as compared to other methodologies? 6. What were the reasons a test case was not automated from regression suite? 7. Challenges in developing the selenium framework? 8. Challenges in reading the excel file? 9. Why did you choose the data driven framework? 10. How do we scroll in selenium? 11. What is constructor overloading? 12. What is constructor? 13. How did you read data from excel? 14. How to upload a file using selenium? 15. Commonly used annotations in testNG? 16. How you create a JSON object? 17. 100 records have to be uploaded in the DB through an API request. Suppose 10th record fails, what status code will you get in the response and how will you know which record failed? 18. What status codes have you seen?