First American Financial Corporation interview question

1. How do you test a door? 2. What is the difference between Abstraction and Interface? 3. Difference between implicit wait & explicit wait? 4. How do you test an element with certain time frequency? (Fluent wait) 5. Have you worked in branches (GIT)? 6. What is the frequent error you got when you clone the repo & merge your code? 7. Have you done any code review? 8. Tell me about Agile process you followed in your team 9. Have you used async , paralleization in NUnit? 10. What are the response codes you come across? 11. Few questions from the resume, specific to project I mentioned 12. What is the most difficult project you have worked? 13. What do you do for fun? 14. When you login to an application entering username & password and clicking submit, nothing happens. What are the steps you would take ?