1)Oops concept 2) what is singleton and transient c# 3)Static constructor in non static class ? 4)Dependency injection 5)Difference between .net framework and .net core 6)How the dot net core program will execute into Linux or mac ? 7)swap the record value into gender column in database 8)Clustered index and non clustered index difference 9)Difference between inner join and left join 10)CRON expression into Azure Function 11)Different level authorization into azure function 12)What is generics and why we used it 13)Projects pattern 14)What kind of configuration needs to be done in startup file in dot net core 3.1 15)What is REST Principal