Interview Questions 1-2 Years

1 - 2 Years

C#

1. What is OOPS, please brief
2. How to implement multiple inheritance
3. What is encapsulation
4. Difference between encapsulation and Abstraction
5. Difference between var and dynamic
6. Difference between read-only and const
7. What is static class, What is static function?
8. What is extension Methods? Have you created any?
9. What is Dependency Injection? How many ways to implement it?
10. What is constructor chaining?
11. What is default constructor? Can I make database call from constructor?
12. What is private constructor?
13. How to call base class constructor from drived class?
14. How can we access private variable outside a class?
15. Difference between ref and out parameter?
16. Difference between IEnumerable and List?
Ans. IEnumerable is readonly
17. What is difference between IEnumerable and IQueryable?
Ans. IEnumerable executes in memory i.e. load all records and then apply filter. IQueryable will execute in database directly.
18. What is generic?
19. What is delegate?

MVC

1. Page life cycle
2. How many Filters?
3. How to implement Filters?
4. What is action result and how many types?
5. How to create a form in razor syntex?
6. What is authentication and authorization?
7. What is Model binding?
8. How to do model validations?

Web Api

1. Which protocol it works on?
2. What are Http verbs and which verb used for what purpose?
3. How to use multiple Get and multiple Post methods in a controller?
4. How many types of routings? Which you used?
5. How to enable CORS?

Javascript

1. It is multi threaded?
2. What are selectors?
3. What is promise?
4. Can we implement async await ?
5. What is fat arrow function?
6. What is spread operator?
7. Ajax?

Sqlserver

1. Why we use view?
2. Difference between View and SP?
3. Difference between Primary and Unique key?
4. Why SP execute faster?
5. How to optimize a SP?
6. What are triggers and its types
7. What is indexing?