1. Difference between Roles and Profiles 2. What other ways can provide access to records? 3. What are restriction rules? 4. How many ways can we make a field required? 5. There are 5 record types. I only have access to 3, but I can see the records from all the record types. Why? 6. Difference between Lookup and Master-Detail relationship 7. How you start troubleshooting the issue 8. What is the difference between a constructor and a method 9. What are the principles of Object Oriented Programming Language 10. What is the difference between an error and an exception? 11. What is the difference between a unit test and a functional test 12. What is inheritance, and how is it implemented? 13. Difference between SOAP and REST API. 14. From the response, how can you identify if it’s a SOAP request or REST request? 15. What are SOAP status codes? 16. Tell us about the governor's limits. SQL. Limit exception 17. What is data skew? 18. In a batch class, can you make an API call? 19. Write a SQL query. Order and Customer are two tables. Make a relationship with them by customerId with INNER JOIN. 20. What is the difference between primary and foreign keys? How to use scope in a SOQL statement.