1. Introduce yourself 2. Your preferred languages 3. What have you done in your project and what are the technologies you have used? 4. What is a binary tree? 5. What is hash table? 6. How many types of sorting are there? 7. When are linked list useful? 8. What are dynamic arrays? 9. What's the difference between tree and graph? 10. What is difference between avl tree and balanced tree? 11. What are the types of database models? 12. What is NoSQL? 13. Mention ACID properties. 14. How to improve query preference? 15. Difference between primary key and foreign key. 16. Difference between delete and truncate commands and some basic queries. 17. What is TCP and UDP protocol? 18. What is MAC address and how it's related to NIC? 19. What is a UTP cable? (P.S. - These are the questions I remember. There were few more. Duration of Interview -35 min approx)