Siemens interview question

1. Interface Vs Abstract class 2. Di and types with example 3. Interface segregation principle 4. Context API – react 5. Redux and its components (state, dispatch, action) 6. Generic class 7. Delegates 8. Garbage collection 9. Authentication in UI end 10. Mock in UI and .Net (with code example) 11. Event handlers in react 12. Custom components 13. Props 14. How to setup application insights? 15. How to setup and deploy function apps 16. JSX 17. Virtual DOM 18. WAP to move all zeros to the end of array on Leetcode. (Wrote and explained the logic but couldn't pass the test cases)