7 Year experienced developer asp.net mvc C# ,.net core and sql server question topics.

6 yo 9 Years experienced developer asp.net mvc C# ,.net core and sql server question topics most asked in all interview. You must know all answers of those all.

- iqueryable vs ienumerable
- why use interface,
- why use abstract class
- difference between abstract class and interface c#
- why use repository pattern
- loosely coupled vs tightly coupled code
- what are delegates why use
- why use factory design pattern c#
- why use polymorphism in c#

- what is isolation level in sql
- why use transactions in sql
- array and arrayList
- what is run time polimorephism
- early binding and late binding
- what are extention method